{"id":50850,"date":"2025-08-10T12:54:18","date_gmt":"2025-08-10T04:54:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/50850.html"},"modified":"2025-08-10T12:54:18","modified_gmt":"2025-08-10T04:54:18","slug":"%e6%9d%bf%e5%9d%97%e4%b8%89%e7%ab%a0%e8%8a%824-iscsi-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%be%85%e6%9b%b4%e6%96%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/50850.html","title":{"rendered":"\u677f\u5757\u4e09\u7ae0\u82824\u2014\u2014iSCSI \u670d\u52a1\u5668(\u5f85\u66f4\u65b0)"},"content":{"rendered":"<h2>iSCSI \u670d\u52a1\u5668<\/h2>\n<h4>iSCSI \u670d\u52a1\u4ecb\u7ecd<\/h4>\n<p>SCSI&#xff08;Small Computer System Interface&#xff0c;\u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3&#xff09;&#xff0c;\u4e00\u79cd\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u667a\u80fd\u8bbe\u5907\u4e4b\u95f4&#xff08;\u786c\u76d8\u3001\u8f6f\u9a71\u3001\u5149\u9a71\u3001\u6253\u5370\u673a\u3001\u626b\u63cf\u4eea\u7b49&#xff09;\u8fde\u63a5\u6807\u51c6\u3002<\/p>\n<p>iSCSI&#xff08;Internet Small Computer System Interface&#xff0c;Internet \u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3)&#xff0c;\u53c8\u79f0\u4e3aIP-SAN&#xff0c;\u662fIBM\u516c\u53f8\u7814\u7a76\u5f00\u53d1\u7684IP SAN\u6280\u672f&#xff0c;\u8be5\u6280\u672f\u662f\u5c06\u73b0\u6709SCSI\u63a5\u53e3\u4e0e\u4ee5\u592a\u7f51\u7edc(Ethernet)\u6280\u672f\u7ed3\u5408&#xff0c;\u57fa\u4e8eTCP\/IP\u7684\u534f\u8bae\u8fde\u63a5iSCSI\u670d\u52a1\u7aef&#xff08;Target&#xff09;\u548c\u5ba2\u6237\u7aef(Initiator)&#xff0c;\u4f7f\u5f97\u5c01\u88c5\u540e\u7684SCSI\u6570\u636e\u5305\u53ef\u4ee5\u5728\u4e92\u8054\u7f51\u4f20\u8f93&#xff0c;\u6700\u7ec8\u5b9e\u73b0iSCSI\u670d\u52a1\u7aef\u63d0\u4f9b\u5b58\u50a8\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u901a\u5e38&#xff0c;iSCSI\u4f7f\u7528\u4e13\u7528\u768410 Gb\u4ee5\u592a\u7f51\u6216\u66f4\u597d\u7684\u7f51\u7edc&#xff0c;\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>\u4ece\u7269\u7406\u670d\u52a1\u5668\u5230\u5b58\u50a8\u7684\u7535\u7f06\u901a\u5e38\u5c01\u95ed\u5728\u6570\u636e\u4e2d\u5fc3\u5185&#xff0c;\u5e76\u4e14\u7406\u60f3\u60c5\u51b5\u4e0b\u4e0d\u76f4\u63a5\u8fde\u63a5\u5230LAN\u7f51\u7edc&#xff0c;\u6240\u4ee5SAN\u6d41\u91cf\u901a\u5e38\u4e0d\u52a0\u5bc6&#xff0c;\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u9ad8\u6027\u80fd\u3002 \u4e3a\u4e86\u5b9e\u73b0WAN\u5b89\u5168&#xff0c;iSCSI\u7ba1\u7406\u5458\u53ef\u4ee5\u4f7f\u7528IPsec\u52a0\u5bc6\u6d41\u91cf\u3002<\/p>\n<h4>iSCSI \u67b6\u6784<\/h4>\n<p>iSCSI\u670d\u52a1\u662fC\/S\u67b6\u6784\u3002\u8bbf\u95ee\u7684iSCSI\u76ee\u6807\u5728\u5ba2\u6237\u7aef\u7cfb\u7edf\u4e0a\u663e\u793a\u4e3a\u672c\u5730\u4e14\u672a\u683c\u5f0f\u5316\u7684SCSI\u5feb\u8bbe\u5907&#xff0c;\u7b49\u540c\u4e8e\u901a\u8fc7SCSI\u5e03\u7ebf\u3001FC\u76f4\u8fde\u6216FC\u4ea4\u6362\u5149\u7ebf\u8fde\u63a5\u7684\u8bbe\u5907\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810045417-689825f990ba0.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\n<p>Initiator&#xff0c;iSCSI\u5ba2\u6237\u7aef&#xff0c;\u901a\u5e38\u4ee5\u8f6f\u4ef6\u65b9\u5f0f\u90e8\u7f72&#xff0c;\u4e5f\u53ef\u4ee5\u4f7f\u7528iSCSI Host Bus Adapters (HBAs) &#xff08;HBA&#xff09;\u786c\u4ef6\u3002 Initiator\u5fc5\u987b\u5177\u6709\u552f\u4e00\u7684\u540d\u79f0&#xff08;\u8bf7\u53c2\u89c1IQN&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>Target&#xff0c;iSCSI\u670d\u52a1\u5668\u4e0a\u7684iSCSI\u5b58\u50a8\u8d44\u6e90\u3002 Target\u5fc5\u987b\u5177\u6709\u552f\u4e00\u7684\u540d\u79f0&#xff08;\u8bf7\u53c2\u89c1IQN&#xff09;\u3002 \u6bcf\u4e2a\u76ee\u6807\u90fd\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a\u5757\u8bbe\u5907\u6216\u903b\u8f91\u5355\u5143&#xff08;LUN-logical units&#xff09;\u3002 \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b&#xff0c;Target\u53ea\u63d0\u4f9b\u4e00\u4e2a\u8bbe\u5907&#xff0c;\u4f46\u4e00\u53f0\u670d\u52a1\u5668\u53ef\u4ee5\u63d0\u4f9b\u591a\u4e2a\u76ee\u6807\u3002<\/p>\n<\/li>\n<li>\n<p>IQN&#xff08;iSCSI Qualified Name&#xff09;\u5168\u7403\u552f\u4e00\u7684\u540d\u79f0&#xff0c;\u7528\u4e8e\u6807\u8bc6\u53d1\u8d77\u8005\u548c\u76ee\u6807\u3002 IQN\u5177\u6709\u4ee5\u4e0b\u683c\u5f0f&#xff1a;<\/p>\n<p> iqn.YYYY-MM.com.reversed.domain:name_string<\/p>\n<ul>\n<li>YYYY-MM&#xff0c;\u5e74\u548c\u6708\u3002\u793a\u4f8b&#xff0c;2020\u5e746\u6708\u4e3a2020-06\u3002\u8be5\u65e5\u671f\u6709\u52a9\u4e8e\u786e\u4fddIQN\u552f\u4e00\u6027\u3002<\/li>\n<li>com.reversed.domain&#xff0c;\u53cd\u5411\u57df\u540d\u3002 \u4f8b\u5982&#xff0c;server.redhat.fun\u7684\u53cd\u5411\u57df\u540d\u4e3acloud.laoma.www\u3002<\/li>\n<li>name_string&#xff0c;\u7528\u4e8e\u6807\u8bc6\u60a8\u7ba1\u7406\u7684\u7279\u5b9a\u76ee\u6807\u3002 \u5982\u679c\u670d\u52a1\u5668\u53ea\u5177\u6709\u4e00\u4e2a\u76ee\u6807&#xff0c;\u5219\u6709\u65f6\u4f1a\u7701\u7565\u6b64\u540d\u79f0\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Portal&#xff0c;\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u7684\u5730\u5740\u548c\u7aef\u53e3&#xff0c;\u4f8b\u5982&#xff0c;172.25.250.50:3260\u3002<\/p>\n<\/li>\n<li>\n<p>LUN&#xff08;Logical Unit Number&#xff09;&#xff0c;\u4ee3\u8868Target\u63d0\u4f9b\u7684\u5757\u8bbe\u5907\u3002 \u6bcf\u4e2a\u76ee\u6807\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2aLUN\u3002<\/p>\n<\/li>\n<li>\n<p>ACL&#xff08;Access Control List&#xff09;&#xff0c;\u4f7f\u7528Initiator\u7684IQN\u9650\u5236\u5ba2\u6237\u7aef\u8bbf\u95eeTarget\u3002<\/p>\n<\/li>\n<li>\n<p>TPG&#xff08;Target Portal Group&#xff09;&#xff0c;\u662f\u76ee\u6807\u7684\u5b8c\u6574\u914d\u7f6e&#xff0c;\u5305\u62ecPortal&#xff0c;LUN\u548cACL\u3002 \u51e0\u4e4e\u6240\u6709\u76ee\u6807\u90fd\u4f7f\u7528\u4e00\u4e2aTPG&#xff0c;\u4f46\u662f\u9ad8\u7ea7\u914d\u7f6e\u6709\u65f6\u53ef\u80fd\u4f1a\u5b9a\u4e49\u591a\u4e2aTPG\u3002<\/p>\n<\/li>\n<li>\n<p>discovery&#xff0c;\u67e5\u8be2\u670d\u52a1\u5668\u4e0a\u6709Target\u5217\u8868\u3002<\/p>\n<\/li>\n<li>\n<p>login&#xff0c;\u5411Target\u9a8c\u8bc1&#xff0c;\u9a8c\u8bc1\u901a\u8fc7\u540e\u5373\u53ef\u4ee5\u4f7f\u7528Target\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u5757\u8bbe\u5907\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u914d\u7f6e iSCSI Targets<\/h4>\n<p>\u914d\u7f6e iSCSI Targets\u9700\u8981\u5b89\u88c5\u4ee5\u4e0b\u8f6f\u4ef6&#xff1a;<\/p>\n<ul>\n<li>targetd&#xff0c;\u670d\u52a1\u7aef\u8f6f\u4ef6\u3002<\/li>\n<li>targetcli&#xff0c;\u7528\u4e8e\u914d\u7f6etargetd\u670d\u52a1\u3002<\/li>\n<\/ul>\n<p><span class=\"token comment\"># \u5b89\u88c5\u8f6f\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server-gx ~ <span class=\"token number\">14<\/span>:49:57<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y targetd targetcli.noarch<\/span><\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u5e76\u542f\u52a8\u670d\u52a1<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server-gx ~ <span class=\"token number\">14<\/span>:50:30<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl enable &#8211;now targetd<\/span><\/p>\n<p>\u5f53\u60a8\u4e0d\u5e26\u4efb\u4f55\u9009\u9879\u8fd0\u884ctargetcli\u65f6&#xff0c;\u8be5\u547d\u4ee4\u5c06\u8fdb\u5165\u4ea4\u4e92\u6a21\u5f0f\u3002<\/p>\n<p>\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d&#xff0c;\u4f7f\u7528ls\u547d\u4ee4\u663e\u793a\u5f53\u524d\u5e03\u5c40\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server-gx ~ <span class=\"token number\">14<\/span>:51:05<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli<\/span><br \/>\nWarning: Could not load preferences <span class=\"token function\">file<\/span> \/root\/.targetcli\/prefs.bin.<br \/>\ntargetcli shell version <span class=\"token number\">2.1<\/span>.53<br \/>\nCopyright <span class=\"token number\">2011<\/span>-2013 by Datera, Inc and others.<br \/>\nFor <span class=\"token builtin class-name\">help<\/span> on commands, <span class=\"token builtin class-name\">type<\/span> <span class=\"token string\">&#039;help&#039;<\/span><span class=\"token builtin class-name\">.<\/span><\/p>\n<p>\/<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">ls<\/span><br \/>\no- \/ <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">..<\/span>.<span class=\"token punctuation\">]<\/span><br \/>\n  o- backstores <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">..<\/span>.<span class=\"token punctuation\">]<\/span><br \/>\n  <span class=\"token operator\">|<\/span> o- block <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>Storage Objects: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n  <span class=\"token operator\">|<\/span> o- fileio <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span> <span class=\"token punctuation\">[<\/span>Storage Objects: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n  <span class=\"token operator\">|<\/span> o- pscsi <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>Storage Objects: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n  <span class=\"token operator\">|<\/span> o- ramdisk <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>Storage Objects: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n  o- iscsi <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>Targets: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n  o- loopback <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span> <span class=\"token punctuation\">[<\/span>Targets: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<h5>\u914d\u7f6e backstore \u5bf9\u8c61<\/h5>\n<p>backstore\u7c7b\u578b&#xff1a;<\/p>\n<ul>\n<li>block&#xff1a;\u670d\u52a1\u5668\u4e2d\u7684\u5757\u8bbe\u5907&#xff0c;\u4f8b\u5982\u78c1\u76d8\u9a71\u52a8\u5668&#xff0c;\u78c1\u76d8\u5206\u533a\u6216\u903b\u8f91\u5377\u3002<\/li>\n<li>fileio&#xff1a;\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u5e38\u89c4\u6587\u4ef6\u3002targetcli\u5c06\u8be5\u6587\u4ef6\u7528\u4f5c\u78c1\u76d8\u6620\u50cf\u3002<\/li>\n<li>pscsi&#xff1a;\u7269\u7406SCSI\u8bbe\u5907\u3002 \u8fd9\u79cd\u7c7b\u578b\u7684\u5b58\u50a8\u5141\u8bb8\u5ba2\u6237\u7aef\u901a\u8fc7\u7f51\u7edc\u8bbf\u95ee\u670d\u52a1\u5668\u4e0a\u7684\u7269\u7406SCSI\u8bbe\u5907\u3002<\/li>\n<li>ramdisk&#xff1a;\u5185\u5b58\u4e2d\u7684\u78c1\u76d8\u8bbe\u5907\u3002 \u8fd9\u79cd\u7c7b\u578b\u7684\u5b58\u50a8\u4e0d\u4f1a\u6301\u4e45\u5b58\u50a8\u6570\u636e\u3002 \u670d\u52a1\u5668\u91cd\u65b0\u542f\u52a8\u540e&#xff0c;\u6570\u636e\u5c06\u4e22\u5931\u3002<\/li>\n<\/ul>\n<p>\u8981\u4f7f\u7528targetcli\u521b\u5efa\u540e\u5907\u5b58\u50a8&#xff0c;\u8bf7\u4f7f\u7528\u5176create\u547d\u4ee4\u3002 \u8be5\u547d\u4ee4\u7684\u884c\u4e3a\u53d6\u51b3\u4e8e\u60a8\u5728\u914d\u7f6e\u6811\u4e2d\u7684\u5f53\u524d\u4f4d\u7f6e\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p>\/<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/backstores\/block<br \/>\n\/backstores\/block<span class=\"token operator\">&gt;<\/span> create myblock1 \/dev\/sdb<br \/>\nCreated block storage object myblock1 using \/dev\/sdb.<\/p>\n<p>\u7b49\u540c\u4e8e<\/p>\n<p>\/<span class=\"token operator\">&gt;<\/span> \/backstores\/block create myblock1 \/dev\/sdb<br \/>\nCreated block storage object myblock1 using \/dev\/sdb.<\/p>\n<h5>\u914d\u7f6e Target IQN<\/h5>\n<p>\u5728\/iscsi\u4f2a\u76ee\u5f55\u4e2d&#xff0c;\u521b\u5efaIQN&#xff0c;\u5c06\u60a8\u9009\u62e9\u7684IQN\u540d\u79f0\u4f5c\u4e3a\u5176\u7b2c\u4e00\u4e2a\u53c2\u6570\u3002<\/p>\n<p>\/backstores\/block<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/iscsi<br \/>\n\/iscsi<span class=\"token operator\">&gt;<\/span> create iqn.2025-08.top.azurewhisky.server:disk1<br \/>\nCreated target iqn.2025-08.top.azurewhisky.server:disk1.<br \/>\nCreated TPG <span class=\"token number\">1<\/span>.<br \/>\nGlobal pref <span class=\"token assign-left variable\">auto_add_default_portal<\/span><span class=\"token operator\">&#061;<\/span>true<br \/>\nCreated default portal listening on all IPs <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.0<\/span>.0.0<span class=\"token punctuation\">)<\/span>, port <span class=\"token number\">3260<\/span>.<br \/>\n\/iscsi<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">ls<\/span><br \/>\no- iscsi <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>Targets: <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\n  o- iqn.2025-08.top.azurewhisky.server:disk1 <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>TPGs: <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    o- tpg1 <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span> <span class=\"token punctuation\">[<\/span>no-gen-acls, no-auth<span class=\"token punctuation\">]<\/span><br \/>\n      o- acls <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>ACLs: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n      o- luns <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>LUNs: <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n      o- portals <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>Portals: <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        o- <span class=\"token number\">0.0<\/span>.0.0:3260 <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span> <span class=\"token punctuation\">[<\/span>OK<span class=\"token punctuation\">]<\/span><\/p>\n<h5>\u914d\u7f6e LUN<\/h5>\n<p>\/<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/iscsi\/iqn.2025-08.top.azurewhisky.server:disk1\/tpg1\/luns<br \/>\n\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.sk1\/tpg1\/luns<span class=\"token operator\">&gt;<\/span> create \/backstores\/block\/myblock1 Created LUN <span class=\"token number\">0<\/span>.<\/p>\n<h5>\u914d\u7f6e ACL<\/h5>\n<p>\u521b\u5efaACL&#xff0c;\u4ee5\u5141\u8bb8\u5ba2\u6237\u7aef\u542f\u52a8\u7a0b\u5e8f\u8bbf\u95ee\u76ee\u6807\u3002\u5728Red Hat Enterprise Linux\u4e0a&#xff0c;\u542f\u52a8\u5668\u7684IQN\u5b58\u50a8\u5728\/etc\/iscsi\/initiatorname.iscsi\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\/iscsi<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/<br \/>\n\/<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/iscsi\/iqn.2025-08.top.azurewhisky.server:disk1\/tpg1\/luns<br \/>\n\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.sk1\/tpg1\/luns<span class=\"token operator\">&gt;<\/span> create \/backstores\/block\/myblock1 Created LUN <span class=\"token number\">0<\/span>.<br \/>\n\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.sk1\/tpg1\/luns<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/<br \/>\n\/<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/iscsi\/iqn.2025-08.top.azurewhisky.server:disk1\/tpg1\/acls<br \/>\n\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.sk1\/tpg1\/acls<span class=\"token operator\">&gt;<\/span> create iqn.2025-08.top.azurewhisky.server:client<br \/>\nCreated Node ACL <span class=\"token keyword\">for<\/span> iqn.2025-08.top.azurewhisky.server:client<br \/>\nCreated mapped LUN <span class=\"token number\">0<\/span>.<\/p>\n<h5>\u914d\u7f6e Portal<\/h5>\n<p>\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.sk1\/tpg1\/acls<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/<br \/>\n\/<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">cd<\/span> \/iscsi\/iqn.2025-08.top.azurewhisky.server:disk1\/tpg1\/portals\/<br \/>\n\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.\/tpg1\/portals<span class=\"token operator\">&gt;<\/span> delete <span class=\"token number\">0.0<\/span>.0.0 <span class=\"token number\">3260<\/span><br \/>\nDeleted network portal <span class=\"token number\">0.0<\/span>.0.0:3260<br \/>\n\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.\/tpg1\/portals<span class=\"token operator\">&gt;<\/span> create <span class=\"token number\">10.1<\/span>.8.10 <span class=\"token number\">3260<\/span><br \/>\nUsing default IP port <span class=\"token number\">3260<\/span><br \/>\nCreated network portal <span class=\"token number\">10.1<\/span>.8.10:3260.<\/p>\n<h5>\u4fdd\u5b58\u914d\u7f6e<\/h5>\n<p>\u9000\u51fatargetcli shell\u65f6&#xff0c;\u8be5\u547d\u4ee4\u5c06\u914d\u7f6e\u4fdd\u5b58\u5728\/etc\/target\/saveconfig.json\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\/iscsi\/iqn.20<span class=\"token punctuation\">..<\/span>.\/tpg1\/portals<span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">exit<\/span><br \/>\nGlobal pref <span class=\"token assign-left variable\">auto_save_on_exit<\/span><span class=\"token operator\">&#061;<\/span>true<br \/>\nConfiguration saved to \/etc\/target\/saveconfig.json<\/p>\n<h4>\u975e\u4ea4\u4e92\u5f0f\u7ba1\u7406 Targets<\/h4>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli \/backstores\/block create myblock1 \/dev\/sdb<\/span><br \/>\nCreated block storage object myblock1 using \/dev\/sdb.<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli \/iscsi create iqn.2024-12.cloud.laoma.server:disk1<\/span><br \/>\nCreated target iqn.2024-12.cloud.laoma.server:disk1.<br \/>\nCreated TPG <span class=\"token number\">1<\/span>.<br \/>\nGlobal pref <span class=\"token assign-left variable\">auto_add_default_portal<\/span><span class=\"token operator\">&#061;<\/span>true<br \/>\nCreated default portal listening on all IPs <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.0<\/span>.0.0<span class=\"token punctuation\">)<\/span>, port <span class=\"token number\">3260<\/span>.<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli \/iscsi\/iqn.2024-12.cloud.laoma.server:disk1\/tpg1\/luns \\\\<\/span><br \/>\n<span class=\"token operator\">&gt;<\/span> create \/backstores\/block\/myblock1<br \/>\nCreated LUN <span class=\"token number\">0<\/span>.<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli \/iscsi\/iqn.2024-12.cloud.laoma.server:disk1\/tpg1\/acls \\\\<\/span><br \/>\n<span class=\"token operator\">&gt;<\/span> create iqn.2024-12.cloud.laoma.client<br \/>\nCreated Node ACL <span class=\"token keyword\">for<\/span> iqn.2024-12.cloud.laoma.client<br \/>\nCreated mapped LUN <span class=\"token number\">0<\/span>.<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli \/iscsi\/iqn.2024-12.cloud.laoma.server:disk1\/tpg1\/portals \\\\<\/span><br \/>\n<span class=\"token operator\">&gt;<\/span> delete <span class=\"token number\">0.0<\/span>.0.0 <span class=\"token number\">3260<\/span><br \/>\nDeleted network portal <span class=\"token number\">0.0<\/span>.0.0:3260<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli \/iscsi\/iqn.2024-12.cloud.laoma.server:disk1\/tpg1\/portals \\\\<\/span><br \/>\n<span class=\"token operator\">&gt;<\/span> create <span class=\"token number\">10.1<\/span>.8.10 <span class=\"token number\">3260<\/span><br \/>\nUsing default IP port <span class=\"token number\">3260<\/span><br \/>\nCreated network portal <span class=\"token number\">172.25<\/span>.250.10:3260.<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli saveconfig<\/span><br \/>\nConfiguration saved to \/etc\/target\/saveconfig.json<\/p>\n<p>\u63d0\u793a&#xff1a;\u4e0e\u4ea4\u4e92\u5f0f\u4f7f\u7528targetcli\u4e0d\u540c&#xff0c;\u547d\u4ee4\u884c\u6a21\u5f0f\u5fc5\u987b\u663e\u5f0f\u8fd0\u884csaveconfig\u5b50\u547d\u4ee4\u4ee5\u4fdd\u5b58\u914d\u7f6e\u3002<\/p>\n<h4>\u8bbf\u95ee iSCSI \u5b58\u50a8<\/h4>\n<p>iSCSI \u542f\u52a8\u5668\u901a\u5e38\u4ee5\u8f6f\u4ef6\u65b9\u5f0f\u5b9e\u73b0\u3002 \u4f7f\u7528\u57fa\u4e8e\u8f6f\u4ef6\u7684iSCSI\u542f\u52a8\u5668\u9700\u8981\u8fde\u63a5\u5230\u5177\u6709\u8db3\u591f\u5e26\u5bbd\u7684\u73b0\u6709\u4ee5\u592a\u7f51\u7f51\u7edc&#xff0c;\u4ee5\u627f\u8f7d\u5b58\u50a8\u6d41\u91cf\u3002<\/p>\n<p>\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u786c\u4ef6\u542f\u52a8\u5668-\u4e3b\u673a\u603b\u7ebf\u9002\u914d\u5668&#xff08;HBA&#xff09;&#xff0c;\u4ece\u800c\u51cf\u8f7b\u4e86\u5176\u4ed6\u7cfb\u7edf\u8d44\u6e90\u7684\u8d1f\u62c5\u3002<\/p>\n<h5>\u51c6\u5907\u7cfb\u7edf<\/h5>\n<p>\u914d\u7f6eiSCSI\u5ba2\u6237\u7aef\u542f\u52a8\u7a0b\u5e8f\u9700\u8981\u5b89\u88c5iscsi-initiator-utils\u8f6f\u4ef6\u5305&#xff0c;\u8be5\u8f6f\u4ef6\u5305\u5305\u62eciscsi\u548ciscsid\u670d\u52a1\u4ee5\u53ca**\/etc\/iscsi\/iscsid.conf\u548c\/etc\/iscsi\/initiatorname.iscsi**\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client-gx ~ <span class=\"token number\">15<\/span>:10:33<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y iscsi-initiator-utils<\/span><\/p>\n<p>\u4f5c\u4e3aiSCSI\u542f\u52a8\u5668&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u5176\u81ea\u5df1\u7684\u552f\u4e00iSCSI\u5408\u683c\u540d\u79f0&#xff08;IQN&#xff09;\u3002\u5728\u5b89\u88c5iscsi-initiator-utils\u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u8be5\u8f6f\u4ef6\u5305\u751f\u6210\u552f\u4e00\u7684IQN&#xff0c;\u5e76\u5b58\u50a8\u5230\/etc\/iscsi\/initiatorname.iscsi\u6587\u4ef6\u4e2d\u3002 \u7ba1\u7406\u5458\u901a\u5e38\u9700\u8981\u66f4\u6539\u8be5\u540d\u79f0\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client-gx ~ <span class=\"token number\">15<\/span>:10:56<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># vim \/etc\/iscsi\/initiatorname.iscsi<\/span><br \/>\n<span class=\"token assign-left variable\">InitiatorName<\/span><span class=\"token operator\">&#061;<\/span>iqn.2025-08.top.azurewhisky.server:client<\/p>\n<p>\/etc\/iscsi\/iscsid.conf\u6587\u4ef6\u5305\u542b\u60a8\u8fde\u63a5\u7684\u76ee\u6807\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u3002 \u8fd9\u4e9b\u8bbe\u7f6e\u5305\u62eciSCSI\u8d85\u65f6&#xff0c;\u91cd\u8bd5\u4ee5\u53ca\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u53c2\u6570\u3002<\/p>\n<p>\u8f6f\u4ef6\u5305\u5b89\u88c5\u4f1a\u81ea\u52a8\u914d\u7f6eiscsid\u670d\u52a1&#xff0c;\u4ee5\u4fbf\u542f\u52a8\u5668\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u81ea\u52a8\u91cd\u65b0\u8fde\u63a5\u5230\u4efb\u4f55\u5df2\u53d1\u73b0\u7684\u76ee\u6807\u3002 \u6bcf\u5f53\u60a8\u4fee\u6539\u542f\u52a8\u7a0b\u5e8f\u7684\u914d\u7f6e\u6587\u4ef6\u65f6&#xff0c;\u8bf7\u91cd\u65b0\u542f\u52a8iscsid\u670d\u52a1\u3002<\/p>\n<h5>\u8fde\u63a5 iSCSI \u76ee\u6807<\/h5>\n<p>\u5728\u4f7f\u7528\u8fdc\u7a0b\u8bbe\u5907\u4e4b\u524d&#xff0c;\u9996\u5148\u9700\u8981\u53d1\u73b0\u76ee\u6807\u3002 \u53d1\u73b0\u8fc7\u7a0b\u4f7f\u7528\/etc\/iscsi\/iscsid.conf\u4e2d\u7684\u914d\u7f6e\u5c06\u76ee\u6807\u4fe1\u606f\u548c\u8bbe\u7f6e\u5b58\u50a8\u5728\/var\/lib\/iscsi\/nodes\/\u76ee\u5f55\u4e2d\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6267\u884c\u8fdc\u7a0b\u76ee\u6807\u7684\u53d1\u73b0&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m discovery -t st -p portal_ip[:port]<\/span><\/p>\n<p>\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>portal_ip\u53c2\u6570\u662f\u76ee\u6807\u95e8\u6237\u7684IP\u5730\u5740\u3002<\/li>\n<li>\u5982\u679c\u672a\u6307\u5b9aport\u53c2\u6570&#xff0c;\u5b83\u5c06\u4f7f\u7528\u9ed8\u8ba4\u7aef\u53e33260\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client-gx ~ <span class=\"token number\">15<\/span>:15:34<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m discovery -t st -p server<\/span><br \/>\n<span class=\"token number\">10.1<\/span>.8.10:3260,1 iqn.2025-08.top.azurewhisky.server:disk1<\/p>\n<p>\u8981\u4f7f\u7528\u5217\u51fa\u7684\u76ee\u6807\u4e4b\u4e00&#xff0c;\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u767b\u5f55\u5230\u8be5\u76ee\u6807&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m node -T Target -p portal_ip[:port] -l<\/span><\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client-gx ~ <span class=\"token number\">15<\/span>:16:01<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m node -T iqn.2025-08.top.azurewhisky.server:disk1 -l<\/span><br \/>\nLogging <span class=\"token keyword\">in<\/span> to <span class=\"token punctuation\">[<\/span>iface: default, target: iqn.2025-08.top.azurewhisky.server:disk1, portal: <span class=\"token number\">10.1<\/span>.8.10,3260<span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">(<\/span>multiple<span class=\"token punctuation\">)<\/span><br \/>\nLogin to <span class=\"token punctuation\">[<\/span>iface: default, target: iqn.2025-08.top.azurewhisky.server:disk1, portal: <span class=\"token number\">10.1<\/span>.8.10,3260<span class=\"token punctuation\">]<\/span> successful.<\/p>\n<p>\u6b64\u65f6&#xff0c;\u7cfb\u7edf\u5c06\u68c0\u6d4b\u5230\u65b0\u7684SCSI\u5757\u8bbe\u5907&#xff0c;\u5c31\u597d\u50cf\u5b83\u662f\u672c\u5730\u8fde\u63a5\u7684\u786c\u76d8\u9a71\u52a8\u5668\u4e00\u6837\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u65b0\u8bbe\u5907&#xff0c;\u8be5\u547d\u4ee4\u4ee5\u6253\u5370\u7ea7\u522b3\u663e\u793a\u6709\u5173\u5f53\u524diSCSI\u767b\u5f55\u4f1a\u8bdd\u7684\u4fe1\u606f\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m session -P 3<\/span><br \/>\niSCSI Transport Class version <span class=\"token number\">2.0<\/span>-870<br \/>\nversion <span class=\"token number\">6.2<\/span>.0.877-0<br \/>\nTarget: iqn.2024-12.cloud.laoma.server:disk1 <span class=\"token punctuation\">(<\/span>non-flash<span class=\"token punctuation\">)<\/span><br \/>\nCurrent Portal: <span class=\"token number\">10.1<\/span>.8.10:3260,1<br \/>\n<span class=\"token punctuation\">..<\/span>.output omitted<span class=\"token punctuation\">..<\/span>.<br \/>\nAttached scsi disk sdc State: running<\/p>\n<p>\u6216\u8005&#xff0c;\u60a8\u53ef\u4ee5\u67e5\u770bdmesg&#xff0c;tail \/var\/log\/messages\u6216ls -l \/dev\/disk\/by-path\/*iscsi*\u547d\u4ee4\u7684\u8f93\u51fa\u3002 \u8be5\u767b\u5f55\u8fc7\u7a0b\u5728\u91cd\u65b0\u542f\u52a8\u540e\u5c06\u4fdd\u6301\u4e0d\u53d8\u3002 \u56e0\u6b64&#xff0c;\u542f\u52a8\u540e\u5757\u8bbe\u5907\u5c06\u81ea\u52a8\u53ef\u7528\u3002<\/p>\n<h5>\u683c\u5f0f\u5316 iSCSI \u8bbe\u5907<\/h5>\n<p>\u5982\u679c\u53d1\u73b0\u7684\u5757\u8bbe\u5907\u5df2\u7ecf\u5177\u6709\u5206\u533a&#xff0c;\u6587\u4ef6\u7cfb\u7edf\u6216LVM\u5377&#xff0c;\u5219\u53ef\u4ee5\u4f7f\u7528\u5e38\u89c4\u547d\u4ee4&#xff08;\u5982mount&#xff09;\u8bbf\u95ee\u8be5\u6570\u636e\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528lsblk &#8211;fs\u547d\u4ee4\u68c0\u67e5\u8bbe\u5907\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client-gx ~ <span class=\"token number\">22<\/span>:30:43<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># blkid<\/span><br \/>\n\/dev\/sdb: <span class=\"token assign-left variable\">UUID<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;8d9b5331-e852-4afb-819d-613854ccbc05&#034;<\/span> <span class=\"token assign-left variable\">TYPE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;xfs&#034;<\/span><br \/>\n\/dev\/sr0: <span class=\"token assign-left variable\">UUID<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;2022-07-26-15-09-17-00&#034;<\/span> <span class=\"token assign-left variable\">LABEL<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;CentOS 7 x86_64&#034;<\/span> <span class=\"token assign-left variable\">TYPE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;iso9660&#034;<\/span> <span class=\"token assign-left variable\">PTTYPE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;dos&#034;<\/span><br \/>\n\/dev\/sda1: <span class=\"token assign-left variable\">UUID<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;f4066dcd-745d-41f9-aa1d-ac05f851eadc&#034;<\/span> <span class=\"token assign-left variable\">TYPE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;xfs&#034;<\/span><br \/>\n\/dev\/sda2: <span class=\"token assign-left variable\">UUID<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;AoBoAr-jeJM-m3Mx-a1Mc-Poi2-6ZRH-EwIov1&#034;<\/span> <span class=\"token assign-left variable\">TYPE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;LVM2_member&#034;<\/span><br \/>\n\/dev\/mapper\/centos-root: <span class=\"token assign-left variable\">UUID<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;518fa23c-e4f4-44a0-b4f6-4d0e133c0000&#034;<\/span> <span class=\"token assign-left variable\">TYPE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;xfs&#034;<\/span><br \/>\n\/dev\/mapper\/centos-swap: <span class=\"token assign-left variable\">UUID<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;b1926237-ff2b-4ad5-8145-0cfc29fa3e6c&#034;<\/span> <span class=\"token assign-left variable\">TYPE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;swap&#034;<\/span> <\/p>\n<p>\u591a\u4e2a\u542f\u52a8\u7a0b\u5e8f\u540c\u65f6\u4ece\u540c\u4e00\u76ee\u6807\u5b89\u88c5\u540c\u4e00\u6587\u4ef6\u7cfb\u7edf&#xff0c;\u4f1a\u5bfc\u81f4\u6587\u4ef6\u7cfb\u7edf\u635f\u574f\u6216\u5c1d\u8bd5\u8bfb\u53d6\u6570\u636e\u65f6\u51fa\u73b0\u4e0d\u4e00\u81f4\u3002 \u672c\u5730\u6587\u4ef6\u7cfb\u7edf&#xff08;\u4f8b\u5982ext4\u6216XFS&#xff09;\u4e0d\u652f\u6301\u4ece\u591a\u4e2a\u7cfb\u7edf\u5e76\u53d1\u5b89\u88c5\u3002\u5982\u679c\u9700\u8981\u5141\u8bb8\u4ece\u591a\u4e2a\u7cfb\u7edf\u540c\u65f6\u8bbf\u95ee\u57fa\u4e8eiSCSI\u7684\u5757\u8bbe\u5907&#xff0c;\u8bf7\u4f7f\u7528\u7fa4\u96c6\u6587\u4ef6\u7cfb\u7edf&#xff08;\u4f8b\u5982GFS2&#xff09;\u3002<\/p>\n<p>\u5982\u679c\u78c1\u76d8\u4e3a\u7a7a&#xff0c;\u5219\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u683c\u5f0f\u5316&#xff0c;\u521b\u5efa\u5206\u533a\u6216\u5c06\u5176\u7528\u4f5cLVM\u7269\u7406\u5377\u3002<\/p>\n<p><span class=\"token comment\"># \u5047\u8bbe\u5ba2\u6237\u7aef\u53d1\u73b0\u7684\u8bbe\u5907\u540d\u79f0\u662f\/dev\/sdb<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mkfs.xfs \/dev\/sdb<\/span><\/p>\n<h5>\u6301\u4e45\u5316\u6302\u8f7d<\/h5>\n<p>\u5728\/etc\/fstab\u4e2d\u7684iSCSI\u76ee\u6807\u4e0a\u6301\u4e45\u5730\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u65f6&#xff0c;\u8bf7\u786e\u4fdd\u9075\u5faa\u4ee5\u4e0b\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528\u5e26\u6709\u2013fs\u9009\u9879\u7684lsblk\u547d\u4ee4\u6765\u786e\u5b9a\u6587\u4ef6\u7cfb\u7edfUUID&#xff0c;\u7136\u540e\u4f7f\u7528\u8be5UUID\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002 \u4e0d\u8981\u4f7f\u7528\u8bbe\u5907\u540d\u79f0&#xff08;\/dev\/sd*&#xff09;\u3002 \u8bbe\u5907\u7684\u540d\u79f0\u53d6\u51b3\u4e8e iSCSI \u8bbe\u5907\u901a\u8fc7\u7f51\u7edc\u54cd\u5e94\u7684\u987a\u5e8f&#xff0c;\u56e0\u6b64\u8bbe\u5907\u540d\u79f0\u53ef\u80fd\u4f1a\u5728\u5f15\u5bfc\u4e4b\u540e\u66f4\u6539\u3002\u5982\u679c\u5728 \/etc\/fstab \u4e2d\u4f7f\u7528\u8bbe\u5907\u540d\u79f0&#xff0c;\u5219\u7cfb\u7edf\u53ef\u80fd\u4f1a\u5c06\u8bbe\u5907\u6302\u8f7d\u5728\u9519\u8bef\u7684\u6302\u8f7d\u70b9\u4e0b\u3002<\/li>\n<li>\u5728\/etc\/fstab\u4e2d\u4f7f\u7528 _netdev \u6302\u8f7d\u9009\u9879\u3002 \u56e0\u4e3aiSCSI\u4f9d\u8d56\u7f51\u7edc\u8bbf\u95ee\u8fdc\u7a0b\u8bbe\u5907&#xff0c;\u6240\u4ee5\u6b64\u9009\u9879\u53ef\u786e\u4fdd\u5728\u7f51\u7edc\u548c\u542f\u52a8\u5668\u542f\u52a8\u4e4b\u524d&#xff0c;\u7cfb\u7edf\u4e0d\u4f1a\u5c1d\u8bd5\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token assign-left variable\">UUID<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;3d49d1dd-8209-43a1-a106-4de328762e00&#034;<\/span> \/data xfs defaults,_netdev        <span class=\"token number\">0<\/span> <span class=\"token number\">0<\/span><\/p>\n<p>\u8fd8\u9700\u8981\u786e\u4fdd\u670d\u52a1iscsi\u5f00\u673a\u81ea\u52a8\u542f\u52a8&#xff0c;\u8be5\u670d\u52a1\u9ed8\u8ba4\u662f\u5f00\u673a\u81ea\u52a8\u542f\u52a8\u7684\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client-gx ~ <span class=\"token number\">22<\/span>:37:44<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl enable iscsi<\/span><\/p>\n<h5>\u65ad\u5f00\u76ee\u6807\u8fde\u63a5<\/h5>\n<p>\u8981\u505c\u6b62\u4f7f\u7528iSCSI\u76ee\u6807&#xff0c;\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u786e\u4fdd\u6ca1\u6709\u4f7f\u7528\u76ee\u6807\u63d0\u4f9b\u7684\u4efb\u4f55\u8bbe\u5907\u3002 \u4f8b\u5982&#xff0c;\u5378\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ece\/etc\/fstab\u7b49\u4f4d\u7f6e\u5220\u9664\u5bf9\u76ee\u6807\u7684\u6240\u6709\u6301\u4e45\u5f15\u7528\u3002<\/p>\n<\/li>\n<li>\n<p>\u4eceiSCSI\u76ee\u6807\u6ce8\u9500\u3002<\/p>\n<p> <span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m node -T iqn.2024-12.cloud.laoma.server:disk1 \\\\<\/span><br \/>\n<span class=\"token operator\">&gt;<\/span> -p <span class=\"token number\">10.1<\/span>.8.10:3260 -u\n <\/li>\n<li>\n<p>\u5220\u9664 iSCSI\u76ee\u6807\u7684\u672c\u5730\u8bb0\u5f55&#xff0c;\u4ee5\u4f7f\u542f\u52a8\u5668\u5728\u5f15\u5bfc\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u81ea\u52a8\u767b\u5f55\u5230\u76ee\u6807\u3002<\/p>\n<p> <span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m node -T iqn.2024-12.cloud.laoma.server:disk1 \\\\<\/span><br \/>\n<span class=\"token operator\">&gt;<\/span> -p <span class=\"token number\">10.1<\/span>.8.10:3260 -o delete\n <\/li>\n<\/ul>\n<h4>\u6545\u969c\u5904\u7406<\/h4>\n<p>\u5982\u679c\u53d1\u73b0\u6210\u529f&#xff0c;\u4f46\u662f\u542f\u52a8\u5668\u767b\u5f55\u5230\u53d1\u73b0\u7684\u76ee\u6807\u65f6\u9047\u5230\u95ee\u9898&#xff0c;\u5219\u8be5\u95ee\u9898\u5f88\u53ef\u80fd\u4e0e\u8bbf\u95ee\u63a7\u5236\u6216\u8eab\u4efd\u9a8c\u8bc1\u6709\u5173\u3002\u5ba2\u6237\u7aef\u4e0a\u7684IQN\u4e0e\u670d\u52a1\u5668\u4e0a\u7684IQN\u4e0d\u5339\u914d\u4f1a\u5bfc\u81f4\u76ee\u6807\u767b\u5f55\u5931\u8d25\u3002<\/p>\n<p>\u5982\u679c\u95ee\u9898\u662f\u7531\u4e8e\u5ba2\u6237\u7aef\u4e0a\u7684\u542f\u52a8\u5668IQN\u4e0d\u6b63\u786e\u5f15\u8d77\u7684&#xff0c;\u8bf7\u5728\u5ba2\u6237\u7aef\u7684\/etc\/iscsi\/initiatorname.iscsi\u6587\u4ef6\u4e2d\u4fee\u590dIQN&#xff0c;\u7136\u540e\u91cd\u65b0\u542f\u52a8iscsid\u670d\u52a1\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<p>\u539f\u56e0&#xff1a;iscsid \u670d\u52a1\u7f13\u5b58\u4e86\u4e4b\u524d\u5ba2\u6237\u7aef\u626b\u63cf\u65f6\u4f7f\u7528\u7684IQN\u3002<\/p>\n<p>\u5904\u7406\u65b9\u6cd5&#xff1a;\u505c\u6b62 iscsid \u670d\u52a1&#xff0c;\u91ca\u653e\u4e4b\u524d\u5ba2\u6237\u7aef\u626b\u63cf\u65f6\u4f7f\u7528\u7684IQN\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl stop iscsid <\/span><\/p>\n<p><span class=\"token comment\"># \u91cd\u65b0\u53d1\u73b0<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m discovery -t st -p server<\/span><br \/>\n<span class=\"token number\">10.1<\/span>.8.10:3260,1 iqn.2024-12.cloud.laoma.server:disk1<\/p>\n<p><span class=\"token comment\"># \u91cd\u65b0\u767b\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># iscsiadm -m node -T iqn.2024-12.cloud.laoma.server:disk1 -l<\/span><\/p>\n<h3>\u591a\u8def\u5f84\u8bbf\u95ee&#xff08;\u6269\u5c55-\u81ea\u5b66&#xff09;<\/h3>\n<h4>\u670d\u52a1\u7aef\u51c6\u5907<\/h4>\n<p>\u51c6\u5907\u4e24\u4e2a\u7f51\u7edc&#xff0c;targetcli\u4e2d\u7684portal\u4e5f\u914d\u7f6e\u4e24\u4e2a\u3002\u6548\u679c\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ip -br a<\/span><br \/>\nlo               UNKNOWN        <span class=\"token number\">127.0<\/span>.0.1\/8 ::1\/128<br \/>\nens160           UP             <span class=\"token number\">10.1<\/span>.8.10\/24 fd15:4ba5:5a2b:1008:20c:29ff:fe18:d49e\/64 fe80::20c:29ff:fe18:d49e\/64<br \/>\nens224           UP             <span class=\"token number\">10.1<\/span>.1.10\/24 fe80::691c:af0d:551:9745\/64 <\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># targetcli \/iscsi\/iqn.2024-08.fun.linux.server:webapp\/tpg1\/portals ls<\/span><br \/>\no- portals <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span> <span class=\"token punctuation\">[<\/span>Portals: <span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><br \/>\n  o- <span class=\"token number\">10.1<\/span>.1.10:3260 <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>OK<span class=\"token punctuation\">]<\/span><br \/>\n  o- <span class=\"token number\">10.1<\/span>.8.10:3260 <span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">[<\/span>OK<span class=\"token punctuation\">]<\/span><\/p>\n<h4>\u4ec0\u4e48\u662f\u591a\u8def\u5f84<\/h4>\n<p>\u591a\u8def\u5f84\u662f\u6307\u670d\u52a1\u5668\u548c\u5b58\u50a8\u9635\u5217\u5b58\u5728\u591a\u4e2a\u7269\u7406\u8fde\u63a5\u65b9\u5f0f\u4f7f\u7528\u865a\u62df\u8bbe\u5907&#xff0c;\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u63d0\u4f9b\u66f4\u52a0\u5f39\u6027\u7684\u5b58\u50a8\u8fde\u63a5&#xff08;\u4e00\u4e2a\u8def\u5f84down\u6389\u4e0d\u4f1a\u5f71\u54cd\u8fde\u63a5\u6027&#xff09;&#xff0c;\u4e5f\u53ef\u4ee5\u805a\u5408\u5b58\u50a8\u5e26\u5bbd\u63d0\u4f9b\u6027\u80fd\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810045417-689825f9af335.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u591a\u8def\u5f84\u7531dm-multipath\u5b50\u7cfb\u7edf\u63d0\u4f9b&#xff0c;\u4f7f\u7528\u5185\u6838device mapper\u7cfb\u7edf\u83b7\u5f97\u865a\u62df\u8bbe\u5907&#xff0c;\u6709multipathd\u8fdb\u7a0b\u548cmultipath\u547d\u4ee4\u884c\u5de5\u5177\u7ba1\u7406\u3002<\/p>\n<p>\u8f6f\u4ef6\u5305device-mapper-multipath\u63d0\u4f9b\u5fc5\u8981\u7684binaries daemon\u548ckernel modules\u3002\u5b89\u88c5\u3001\u914d\u7f6e\u3001\u542f\u52a8\u540e&#xff0c;\u591a\u8def\u5f84\u8bbe\u5907\u8282\u70b9\u4f1a\u521b\u5efa\u5728\u4e24\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p>\u51fa\u4e8e\u7ba1\u7406\u76ee\u7684&#xff0c;multipath\u8bbe\u5907\u521b\u5efa\u5728\/dev\/mapper&#xff0c;\u5982\u679c\u9009\u62e9\u4e86user-friendly\u540d\u79f0&#xff0c;\u8fd9\u4e9b\u8bbe\u5907\u4e5f\u53ef\u4ee5\u547d\u540d\u4e3ampathN[pM]&#xff0c;\u6216\u8005\u914d\u7f6e\u5728World Wide ID&#xff08;WWID&#xff09;\u4e4b\u540e\u3002\u7ba1\u7406\u5458\u4e5f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u591a\u8def\u5f84\u8bbe\u5907\u540d&#xff0c;\u8fd9\u4e9b\u81ea\u5b9a\u4e49\u540d\u79f0\u5728multipaths\u914d\u7f6e\u6587\u4ef6\u7684multipaths\u90e8\u5206\u4f7f\u7528alias\u9009\u9879\u5b9a\u4e49\u3002<\/p>\n<p>\u591a\u8def\u5f84\u8bbe\u5907\u4e5f\u4f1a\u521b\u5efa\u5728\/dev\u76ee\u5f55&#xff0c;\u683c\u5f0f\/dev\/dm-N\u4e0e\/dev\/mapper\u4e0b\u7684\u6587\u4ef6\u5339\u914d\u3002\u8fd9\u4e9b\u8bbe\u5907\u63d0\u4f9b\u7ed9\u7cfb\u7edf\u5185\u90e8\u4f7f\u7528&#xff0c;\u7981\u6b62\u7ba1\u7406\u76ee\u7684\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n<p>\u91cd\u8981&#xff1a;\u591a\u8def\u5f84\u63d0\u4f9b\u5b58\u50a8\u8bbf\u95ee\u8def\u5f84down\u60c5\u51b5\u7684\u4fdd\u62a4\u3002\u5982\u679c\u5b58\u50a8\u672c\u8eab\u4e0d\u53ef\u7528&#xff0c;\u8bbf\u95ee\u8bbf\u95ee\u5b58\u50a8\u4e5f\u4f1a\u4e0d\u53ef\u7528\u3002<\/p>\n<p>\u521b\u5efa\u591a\u8def\u5f84\u8bbe\u5907&#xff0c;\u4e0d\u540c\u7684\u8def\u5f84\u5c06\u4f1a\u5408\u5e76\u5230\u7ec4\u4e2d&#xff0c;\u53d6\u51b3\u4e8e\/etc\/multipath.conf\u914d\u7f6e\u3002\u5178\u578b\u60c5\u51b5&#xff0c;\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u6fc0\u6d3b\u4e00\u4e2a\u7ec4&#xff0c;\u4e00\u4e2a\u7ec4\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u8def\u5f84\u3002\u5f53\u67d0\u4e2a\u7ec4\u6545\u969c&#xff0c;\u591a\u8def\u5f84\u8fdb\u7a0b\u5c06\u5207\u6362\u6d41\u91cf\u5230\u4e0d\u540c\u7ec4\u4e2d\u3002<\/p>\n<h4>\u914d\u7f6e\u591a\u8def\u5f84<\/h4>\n<h5>\u5b89\u88c5\u8f6f\u4ef6\u5305<\/h5>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y device-mapper-multipath<\/span><\/p>\n<h5>\u542f\u7528\u591a\u8def\u5f84<\/h5>\n<p>\u521b\u5efa\u914d\u7f6e\u6587\u4ef6 \/etc\/multipath.conf \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528mpathconf\u5de5\u5177&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728&#xff0c;\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u914d\u7f6e\u6587\u4ef6\u3002\u4e5f\u53ef\u4ee5\u4ece\u9ed8\u8ba4\u4f4d\u7f6e\/usr\/share\/doc\/device-mapper-multipath-*\/multipath.conf\u62f7\u8d1d\u8fc7\u6765\u3002<\/p>\n<p> <span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mpathconf &#8211;enable<\/span>\n <\/li>\n<li>\n<p>\u5982\u679c\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728&#xff0c;\u5219\u4ee5\u4e0b\u547d\u4ee4\u4f1a\u4fee\u6539\u6587\u4ef6\u914d\u7f6e\u3002<\/p>\n<p> <span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mpathconf &#8211;enable &#8211;with_multipathd y &#8211;with_chkconfig y<\/span>\n <\/li>\n<\/ul>\n<p>\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\u540e&#xff0c;\u4f7f\u7528 systemctl \u547d\u4ee4 enable \u548c start multipathd \u8fdb\u7a0b\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl enable multipathd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl start multipathd<\/span><\/p>\n<h5>\u53d1\u73b0\u8bbe\u5907<\/h5>\n<p>\u8fc7\u7a0b\u7701\u7565\u3002<\/p>\n<h5>\u76d1\u63a7\u591a\u8def\u5f84<\/h5>\n<p>multipath\u547d\u4ee4\u4e5f\u53ef\u7528\u4e8e\u591a\u8def\u5f84\u72b6\u6001\u76d1\u63a7\u3002<\/p>\n<ul>\n<li>-l \u9009\u9879&#xff0c;\u663e\u793a\u591a\u8def\u5f84\u62d3\u6251\u7b80\u4ecb\u3002<\/li>\n<li>-ll \u9009\u9879&#xff0c;\u4f1a\u68c0\u6d4b\u6240\u6709\u8def\u5f84\u662f\u5426active&#xff0c;\u5982\u679c\u6ca1\u6709\u95ee\u9898&#xff0c;\u8def\u5f84\u7684\u72b6\u6001\u4e3aactive\u548cready\u3002\u547d\u4ee4\u8f93\u51fa\u8fd8\u4f1a\u5305\u62ec\u6bcf\u4e2a\u591a\u8def\u5f84\u8bbe\u5907\u7684\u4fe1\u606f&#xff0c;\u6709\u4e09\u4e2a\u90e8\u5206\u7ec4\u6210&#xff1a;\u591a\u8def\u5f84\u8bbe\u5907&#xff0c;path group&#xff0c;path group\u6210\u5458\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># multipath -ll<\/span><br \/>\nmpatha <span class=\"token punctuation\">(<\/span>3600140559c2883e039048cbbce4320b4<span class=\"token punctuation\">)<\/span> dm-0 LIO-ORG ,myblock1<br \/>\n<span class=\"token assign-left variable\">size<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">4<\/span>.0G <span class=\"token assign-left variable\">features<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">hwhandler<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">wp<\/span><span class=\"token operator\">&#061;<\/span>rw<br \/>\n<span class=\"token operator\">|<\/span>-&#043;- <span class=\"token assign-left variable\">policy<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;service-time 0&#039;<\/span> <span class=\"token assign-left variable\">prio<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span> <span class=\"token assign-left variable\">status<\/span><span class=\"token operator\">&#061;<\/span>active<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>&#8211; <span class=\"token number\">2<\/span>:0:0:0 sdb <span class=\"token number\">8<\/span>:16 active ready running<br \/>\n<span class=\"token variable\">&#096;<\/span><\/span>-&#043;- <span class=\"token assign-left variable\">policy<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;service-time 0&#039;<\/span> <span class=\"token assign-left variable\">prio<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span> <span class=\"token assign-left variable\">status<\/span><span class=\"token operator\">&#061;<\/span>enabled<br \/>\n  &#096;- <span class=\"token number\">3<\/span>:0:0:0 sda <span class=\"token number\">8<\/span>:0  active ready running<\/p>\n<ul>\n<li>\n<p>\u7b2c\u4e00\u90e8\u5206\u662f\u591a\u8def\u5f84\u8bbe\u5907\u4fe1\u606f\u3002<\/p>\n<ul>\n<li>\u7b2c\u4e00\u884c&#xff1a;alias wwid \u8bbe\u5907\u540d vendor \u548c\u4ea7\u54c1\u4fe1\u606f\u3002<\/li>\n<li>\u7b2c\u4e8c\u884c&#xff1a;size enabled features hardware handlers\u548c\u5199\u6743\u9650\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7b2c\u4e8c\u90e8\u5206\u662f\u591a\u8def\u5f84\u8bbe\u5907\u7684path group&#xff0c;\u5305\u62ec\u8c03\u5ea6\u7b56\u7565&#xff0c;\u4f18\u5148\u7ea7\u548cpath group \u72b6\u6001&#xff0c;\u7d27\u968f\u7684\u662f\u5176\u6210\u5458path\u3002\u5bf9\u4e8e\u6bcf\u4e2apath&#xff0c;\u4e5f\u5c31\u662f\u8bbe\u5907\u8282\u70b9\u540d&#xff0c;\u5305\u62ec\u8bbe\u5907major\u548cminor\u4fe1\u606f&#xff0c;path\u7684\u72b6\u6001\u3002<\/p>\n<ul>\n<li>\u72b6\u6001\u4e3aup&#xff0c;\u968f\u65f6\u53ef\u4ee5\u6267\u884cIO\u64cd\u4f5c\u7684path&#xff0c;\u663e\u793a\u7684\u72b6\u6001\u4e3aready\u3002<\/li>\n<li>\u72b6\u6001\u4e3adown&#xff0c;\u663e\u793a\u4e3afaulty\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>failover \u7684\u7b56\u7565\u662factive-passive\u914d\u7f6e&#xff0c;\u56e0\u6b64\u5728\u4efb\u4e00\u65f6\u523b&#xff0c;\u53ea\u6709\u4e00\u4e2a\u8def\u5f84\u662factive\u72b6\u6001&#xff0c;\u53e6\u5916\u4e00\u4e2a\u662fenabled\u72b6\u6001\u3002<\/p>\n<p>\u4ee5\u4e0b\u663e\u793a\u4e86passive\u72b6\u6001\u7684path group\u53d1\u751f\u4e86\u6545\u969c\u3002active\u72b6\u6001\u7684path group\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<p><span class=\"token comment\"># \u5b9e\u9a8c\u73af\u5883\u51c6\u5907&#xff0c;\u65ad\u5f00server\u7aef\u7b2c\u4e8c\u5757\u7f51\u5361<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># nmcli device disconnect ens192<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># multipath -ll<\/span><br \/>\nmpatha <span class=\"token punctuation\">(<\/span>3600140559c2883e039048cbbce4320b4<span class=\"token punctuation\">)<\/span> dm-0 LIO-ORG ,clusterstor<br \/>\n<span class=\"token assign-left variable\">size<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">4<\/span>.0G <span class=\"token assign-left variable\">features<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">hwhandler<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">wp<\/span><span class=\"token operator\">&#061;<\/span>rw<br \/>\n<span class=\"token operator\">|<\/span>-&#043;- <span class=\"token assign-left variable\">policy<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;service-time 0&#039;<\/span> <span class=\"token assign-left variable\">prio<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span> <span class=\"token assign-left variable\">status<\/span><span class=\"token operator\">&#061;<\/span>active<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>&#8211; <span class=\"token number\">2<\/span>:0:0:0 sdb <span class=\"token number\">8<\/span>:16 active ready running<br \/>\n<span class=\"token variable\">&#096;<\/span><\/span>-&#043;- <span class=\"token assign-left variable\">policy<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;service-time 0&#039;<\/span> <span class=\"token assign-left variable\">prio<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span> <span class=\"token assign-left variable\">status<\/span><span class=\"token operator\">&#061;<\/span>enabled<br \/>\n  &#096;- <span class=\"token number\">3<\/span>:0:0:0 sda <span class=\"token number\">8<\/span>:0  failed faulty offline<\/p>\n<p>\u4ee5\u4e0b\u663e\u793a\u4e86active\u72b6\u6001\u7684path group\u53d1\u751f\u4e86\u6545\u969c\u3002active\u72b6\u6001\u7684path group\u53d8\u66f4\u4e3afailed faulty offline&#xff0c;\u540c\u65f6\u72b6\u6001\u7531active\u53d8\u66f4\u4e3aenabled\u3002passive\u72b6\u6001\u7684path group\u53d8\u66f4\u4e3aactive ready running&#xff0c;\u540c\u65f6\u72b6\u6001\u7531enabled\u53d8\u66f4\u4e3aactive\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># multipath -ll<\/span><br \/>\nmpatha <span class=\"token punctuation\">(<\/span>3600140559c2883e039048cbbce4320b4<span class=\"token punctuation\">)<\/span> dm-0 LIO-ORG ,clusterstor<br \/>\n<span class=\"token assign-left variable\">size<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">4<\/span>.0G <span class=\"token assign-left variable\">features<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">hwhandler<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">wp<\/span><span class=\"token operator\">&#061;<\/span>rw<br \/>\n<span class=\"token operator\">|<\/span>-&#043;- <span class=\"token assign-left variable\">policy<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;service-time 0&#039;<\/span> <span class=\"token assign-left variable\">prio<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span> <span class=\"token assign-left variable\">status<\/span><span class=\"token operator\">&#061;<\/span>enabled<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>&#8211; <span class=\"token number\">2<\/span>:0:0:0 sdb <span class=\"token number\">8<\/span>:16 failed faulty offline<br \/>\n<span class=\"token variable\">&#096;<\/span><\/span>-&#043;- <span class=\"token assign-left variable\">policy<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;service-time 0&#039;<\/span> <span class=\"token assign-left variable\">prio<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span> <span class=\"token assign-left variable\">status<\/span><span class=\"token operator\">&#061;<\/span>active<br \/>\n  &#096;- <span class=\"token number\">3<\/span>:0:0:0 sda <span class=\"token number\">8<\/span>:0  active ready running<\/p>\n<p>\u91cd\u8981&#xff1a;\u6545\u969c\u8def\u5f84\u6062\u590d\u540e&#xff0c;\u5f53\u524d\u7684active path\u4fdd\u6301\u4e0d\u53d8&#xff0c;\u5373\u4f7f\u6062\u590d\u7684\u8def\u5f84\u4e4b\u524d\u662factive path&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u624b\u52a8\u5207\u6362\u56de\u6765\u3002<\/p>\n<h5>\u4f7f\u7528\u8bbe\u5907<\/h5>\n<p>\u591a\u8def\u5f84\u8bbe\u5907\u540d\u79f0\u4e3a \/dev\/mapper\/mpatha&#xff0c;\u8bc6\u522b\u5230\u8bbe\u5907\u540e\u5c31\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;\u5212\u5206\u5206\u533a&#xff0c;\u683c\u5f0f\u5316&#xff0c;\u6302\u8f7d\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># parted \/dev\/mapper\/mpatha mklabel gpt<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># parted \/dev\/mapper\/mpatha unit MiB mkpart webapp 1 10241 &lt;&lt;&lt; &#039;Ignore&#039;<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mkfs.xfs \/dev\/mapper\/mpatha1<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mount \/dev\/mapper\/mpatha1 \/var\/www\/html\/<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># df -h \/var\/www\/html\/<\/span><br \/>\nFilesystem           Size  Used Avail Use% Mounted on<br \/>\n\/dev\/mapper\/mpatha1   10G  104M  <span class=\"token number\">9<\/span>.9G   <span class=\"token number\">2<\/span>% \/var\/www\/html<\/p>\n<p>\u6301\u4e45\u5316\u6302\u8f7d<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># vim \/etc\/fstab<\/span><br \/>\n<span class=\"token comment\"># \u6700\u540e\u589e\u52a0\u4e00\u6761<\/span><br \/>\n\/dev\/mapper\/mpatha1 \/var\/www\/html\/ xfs _netdev <span class=\"token number\">0<\/span> <span class=\"token number\">0<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl daemon-reload<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># umount \/var\/www\/html\/<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mount -a<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># df -h \/var\/www\/html\/<\/span><br \/>\nFilesystem           Size  Used Avail Use% Mounted on<br \/>\n\/dev\/mapper\/mpatha1   10G  104M  <span class=\"token number\">9<\/span>.9G   <span class=\"token number\">2<\/span>% \/var\/www\/html<\/p>\n<h4>\u914d\u7f6e\u6587\u4ef6<\/h4>\n<p>\u914d\u7f6e\u6587\u4ef6 \/etc\/multipath.conf&#xff0c;\u5305\u542b5\u4e2a\u90e8\u5206&#xff1a;<\/p>\n<ul>\n<li>\n<p>defaults&#xff0c;\u5b9a\u4e49\u4e86\u6240\u6709\u591a\u8def\u5f84\u7684\u9ed8\u8ba4\u914d\u7f6e&#xff0c;\u4f1a\u88abdevices\u548cmultipaths\u5757\u914d\u7f6e\u8986\u76d6\u3002<\/p>\n<\/li>\n<li>\n<p>blacklist&#xff0c;\u5b9a\u4e49\u4e86\u591a\u8def\u5f84\u8bbe\u5907\u4e2d\u4e0d\u5141\u8bb8\u4f7f\u7528\u7684\u8bbe\u5907\u3002<\/p>\n<\/li>\n<li>\n<p>blacklist_exceptions&#xff0c;\u5b9a\u4e49\u4e86\u591a\u8def\u5f84\u8bbe\u5907\u4e2d\u5e94\u8be5\u5305\u542b\u7684\u8bbe\u5907&#xff0c;\u5373\u4f7f\u8bbe\u5907\u5df2\u7ecf\u5b9a\u4e49\u5728blacklist\u4e2d\u3002<\/p>\n<\/li>\n<li>\n<p>devices&#xff0c;\u6307\u5b9a\u7279\u5b9a\u8bbe\u5907\u7c7b\u578b&#xff0c;\u4f1a\u88abmultipaths\u5757\u8986\u76d6\u3002device\u662f\u901a\u8fc7\u4ed6\u4eec\u7684vendor product\u548crevision&#xff08;\u4fee\u6b63&#xff09;\u5173\u952e\u5b57\u8bc6\u522b&#xff08;\u6765\u81ea\u4e8esysfs\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>multipaths&#xff0c;\u5305\u542b\u6307\u5b9a\u8def\u5f84&#xff0c;\u4f1a\u8986\u76d6defaults\u5757\u548cdevices\u5757\u4e2d\u5b9a\u4e49\u7684\u8bbe\u5907\u3002\u591a\u8def\u5f84\u57fa\u4e8e\u4ed6\u4eec\u7684WWIDs\u8bc6\u522b&#xff08;\u4f7f\u7528getuid_callout\u51fd\u6570\u83b7\u5f97&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u8986\u76d6\u65b9\u5f0f&#xff1a;multipaths &gt; devices &gt; defaults\u3002<\/p>\n<h5>Defaults<\/h5>\n<p>\u5b8c\u6574\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u53ef\u4ee5\u53c2\u8003\/usr\/share\/doc\/device-mapper-multipath-*\/multipath.conf.defaults\u3002<\/p>\n<p>\u4e00\u4e9b\u6709\u8da3\u7684\u8bbe\u7f6e&#xff1a;<\/p>\n<ul>\n<li>\n<p>path_selector&#xff1a;\u5b9a\u4e49\u4e86\u7ec4\u4e2d\u4e0b\u4e00\u6b21IO\u8def\u5f84\u9009\u62e9\u7684\u7b97\u6cd5\u3002\u9ed8\u8ba4\u662f\u201cservice-time 0\u201d&#xff0c;\u63d0\u4f9b\u7ed9\u670d\u52a1\u6d88\u8017\u65f6\u95f4\u6700\u5c11\u7684\u8def\u5f84\u3002\u5907\u7528\u7b97\u6cd5&#xff0c;\u201cround-robin 0\u201d&#xff0c;\u5206\u53d1IO\u7ed9\u7ec4\u4e2d\u6240\u6709\u8def\u5f84\u3002rr_min_io_rq&#xff0c;\u5b9a\u4e49\u6bcf\u4e2aIO\u8def\u5f84\u53d1\u9001\u591a\u5c11\u4e2a\u8bf7\u6c42\u540e\u8f6c\u6362\u5230\u4e0b\u4e00\u4e2aIO\u8def\u5f84\u3002\u201cqueue-length 0\u201d&#xff0c;\u5b9a\u4e49\u4e0b\u4e00\u4e2aIO\u8bf7\u6c42\u53d1\u9001\u7ed9\u6700\u77ed\u961f\u5217\u957f\u5ea6\u7684\u8def\u5f84\u3002<\/p>\n<\/li>\n<li>\n<p>path_grouping_policy&#xff1a;\u591a\u8def\u5f84\u662f\u5982\u4f55\u5408\u5e76\u5230priority\u7ec4\u4e2d\u3002\u9ed8\u8ba4\u662ffailover&#xff0c;\u6bcf\u4e2a\u8def\u5f84\u653e\u5165\u5355\u72ec\u7684\u7ec4\u3002multibus&#xff0c;\u6240\u6709\u53ef\u80fd\u7684\u8def\u5f84\u90fd\u805a\u5408\u5230\u4e00\u4e2a\u7ec4\u4e2d\u3002\u5728\u4f7f\u7528multibus\u524d&#xff0c;\u786e\u4fdd\u5b58\u50a8\u63a7\u5236\u5668\u652f\u6301active-active\u8fde\u63a5\u3002<\/p>\n<\/li>\n<li>\n<p>path_check&#xff1a;\u5b9a\u4e49multipathd\u8fdb\u7a0b\u5982\u4f55\u786e\u5b9a\u8def\u5f84\u662f\u5426healthy\u3002\u5305\u62ec\u786c\u4ef6\u72ec\u7acb\u9009\u9879&#xff0c;directio\u548creadsector0\u7b49&#xff0c;\u9ed8\u8ba4\u4e3adirectio&#xff0c;\u4e00\u822c\u4f1a\u88abdevices{}\u914d\u7f6e\u8986\u76d6\u3002<\/p>\n<\/li>\n<li>\n<p>features&#xff1a;\u5b9a\u4e49\u542f\u7528\u7684\u591a\u8def\u5f84\u529f\u80fd\u3002\u8bed\u6cd5\u683c\u5f0f&#xff1a;num list\u3002num\u4ee3\u8868\u542f\u7528\u7684\u529f\u80fd&#xff0c;list\u4ee3\u8868\u542f\u7528\u7684\u529f\u80fd\u5217\u8868\u3002\u4f8b\u5982&#xff0c;queue_if_no_path\u548cno_partitions\u3002<\/p>\n<\/li>\n<li>\n<p>user_friendly_names&#xff1a;\u5b9a\u4e49\u5728\u672a\u5b9a\u4e49alias\u60c5\u51b5\u4e0b&#xff0c;\u591a\u8def\u5f84\u540d\u79f0\u662f\u5426\u4e3ampathN\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5728mpathconf\u547d\u4ee4\u521b\u5efa\u7684\u9ed8\u8ba4\u914d\u7f6e\u6587\u4ef6\u4e2d&#xff0c;\u9ed8\u8ba4\u5f00\u542f\u4e86user_friendly_names\u9009\u9879&#xff0c;\u591a\u8def\u5f84\u8bbe\u5907\u540d\u79f0\u4ee5\u7528\u6237\u53cb\u597d\u65b9\u5f0f\u547d\u540d\u4e3ampathN\u3002\u53ea\u6709\u4e00\u4e2a\u591a\u8def\u5f84\u8bbe\u5907\u7684\u65f6\u5019\u6bd4\u8f83\u6709\u7528&#xff0c;\u4f46\u6709\u591a\u4e2a\u591a\u8def\u5f84\u8bbe\u5907&#xff0c;\u8fd9\u4e9b\u8bbe\u5907\u540d\u79f0\u5c31\u4f1a\u6df7\u6dc6\u3002\u7981\u7528\u7528\u6237\u53cb\u597d\u540d\u79f0&#xff0c;mpathconf\u547d\u4ee4\u521b\u5efa\u65f6\u6307\u5b9a\u9009\u9879\u2013user_friendly_names n&#xff0c;\u591a\u8def\u5f84\u8bbe\u5907\u540d\u79f0\u5c06\u547d\u540d\u5728\u4ed6\u4eec\u7684WWIDs\u4e4b\u540e\u3002<\/p>\n<p>\u8b66\u544a&#xff1a;\u5982\u679c\u542f\u7528\u4e86queue_if_no_path&#xff0c;\u8bbe\u7f6efeatures \u201c1 queue_if_no_path\u201d&#xff0c;\u8def\u5f84fail&#xff0c;\u5904\u7406IO\u7684\u8fdb\u7a0b\u5c06\u6302\u8d77\u76f4\u5230\u8def\u5f84\u6062\u590d\u3002\u8fd9\u4e2a\u884c\u4e3a\u5728\u96c6\u7fa4\u90e8\u7f72\u4e2d\u662f\u4e0d\u5e0c\u671b\u770b\u5230\u7684&#xff0c;\u56e0\u4e3a\u4e00\u4e2a\u8282\u70b9\u7684IO\u6302\u8d77\u4f1a\u5bfc\u81f4\u96c6\u7fa4\u5176\u4ed6\u8282\u70b9\u8bbf\u95ee\u5b58\u50a8\u3002\u89e3\u51b3\u65b9\u6cd5&#xff0c;\u6307\u5b9ano_path_retry\u53c2\u6570\u503c\u4e3afail&#xff0c;\u8def\u5f84\u5931\u8d25\u540e\u5c06\u4f1a\u7acb\u523b\u901a\u77e5\u66f4\u9ad8\u5c42&#xff0c;\u800c\u975e\u963b\u585eIO\u76f4\u5230\u8def\u5f84\u6062\u590d\u3002<\/p>\n<h5>Blacklist<\/h5>\n<p>Blacklist \u63d0\u4f9b\u8bbe\u5907\u9ed1\u540d\u5355&#xff0c;\u901a\u8fc7WWID\u548cdevice node\u6307\u5b9a\u8bbe\u5907&#xff0c;\u652f\u6301\u4f7f\u7528\u901a\u914d\u7b26\u3002<\/p>\n<p>blacklist <span class=\"token punctuation\">{<\/span><br \/>\n        devnode <span class=\"token string\">&#034;^vd[a-z]&#034;<\/span><br \/>\n        wwid 1234567890abcde<br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u67e5\u770b\u78c1\u76d8\u8bbe\u5907WWID\u547d\u4ee4&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># \/usr\/lib\/udev\/scsi_id -g -u \/dev\/sda<\/span><br \/>\n3600140559c2883e039048cbbce4320b4<\/p>\n<h5>blacklist_exceptions<\/h5>\n<p>blacklist_exceptions \u4e5f\u63d0\u4f9b\u8bbe\u5907\u9ed1\u540d\u5355\u3002<\/p>\n<p>blacklist_exceptions <span class=\"token punctuation\">{<\/span><br \/>\n       device <span class=\"token punctuation\">{<\/span><br \/>\n               vendor  <span class=\"token string\">&#034;IBM&#034;<\/span><br \/>\n               product <span class=\"token string\">&#034;S\/390.*&#034;<\/span><br \/>\n       <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>devices<\/h5>\n<p>\u5b9a\u4e49\u4e86\u6bcf\u4e2a\u72ec\u7acb\u7684\u8bbe\u5907\u3002\u5927\u90e8\u5206\u5b58\u50a8\u90fd\u6709\u81ea\u5df1\u7684\u5b9a\u4e49\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p>devices <span class=\"token punctuation\">{<\/span><br \/>\n       device <span class=\"token punctuation\">{<\/span><br \/>\n               vendor                  <span class=\"token string\">&#034;COMPAQ  &#034;<\/span><br \/>\n               product                 <span class=\"token string\">&#034;HSV110 (C)COMPAQ&#034;<\/span><br \/>\n               path_grouping_policy    multibus<br \/>\n               path_checker            readsector0<br \/>\n               path_selector           <span class=\"token string\">&#034;round-robin 0&#034;<\/span><br \/>\n               hardware_handler        <span class=\"token string\">&#034;0&#034;<\/span><br \/>\n               failback                <span class=\"token number\">15<\/span><br \/>\n               rr_weight               priorities<br \/>\n               no_path_retry           queue<br \/>\n       <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>multipaths<\/h5>\n<p>\u7528\u4e8e\u4e3a\u7279\u5b9a\u591a\u8def\u5f84\u8bbe\u5b9a\u4e0d\u540c\u7684path_grouping\u7b56\u7565&#xff0c;\u8bbe\u5b9a\u591a\u8def\u5f84alias\u3002<\/p>\n<p>multipaths <span class=\"token punctuation\">{<\/span><br \/>\n        multipath <span class=\"token punctuation\">{<\/span><br \/>\n                wwid                    3600140559c2883e039048cbbce4320b4<br \/>\n                <span class=\"token builtin class-name\">alias<\/span>                   ClusterStorage<br \/>\n                path_grouping_policy    failover<br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5f53path group\u914d\u7f6e\u4e86multibus\u7b56\u7565\u65f6&#xff0c;\u591a\u8def\u5f84\u8bbe\u5907\u5c06\u6240\u6709\u8def\u5f84\u7ec4\u5408\u5230\u4e00\u4e2a group\u4e2d\u3002<\/p>\n<p>multipaths {<br \/>\n        multipath {<br \/>\n                wwid                    3600140559c2883e039048cbbce4320b4<br \/>\n                alias                   ClusterStorage<br \/>\n                path_grouping_policy    multibus<br \/>\n        }<br \/>\n}<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># multipath -ll<\/span><br \/>\nClusterStorage <span class=\"token punctuation\">(<\/span>3600140559c2883e039048cbbce4320b4<span class=\"token punctuation\">)<\/span> dm-0 LIO-ORG ,clusterstor<br \/>\n<span class=\"token assign-left variable\">size<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">4<\/span>.0G <span class=\"token assign-left variable\">features<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">hwhandler<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token assign-left variable\">wp<\/span><span class=\"token operator\">&#061;<\/span>rw<br \/>\n<span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>-&#043;- <span class=\"token assign-left variable\">policy<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;service-time 0&#039;<\/span> <span class=\"token assign-left variable\">prio<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span> <span class=\"token assign-left variable\">status<\/span><span class=\"token operator\">&#061;<\/span>active<br \/>\n  <span class=\"token operator\">|<\/span>&#8211; <span class=\"token number\">2<\/span>:0:0:0 sdb <span class=\"token number\">8<\/span>:16 active ready running<br \/>\n  <span class=\"token variable\">&#096;<\/span><\/span>&#8211; <span class=\"token number\">3<\/span>:0:0:0 sda <span class=\"token number\">8<\/span>:0  active ready running<\/p>\n<p>ClusterStorage path_grouping_policy failover } }<\/p>\n<p>\u5f53path group\u914d\u7f6e\u4e86multibus\u7b56\u7565\u65f6&#xff0c;\u591a\u8def\u5f84\u8bbe\u5907\u5c06\u6240\u6709\u8def\u5f84\u7ec4\u5408\u5230\u4e00\u4e2a group\u4e2d\u3002<\/p>\n<p>multipaths { multipath { wwid 3600140559c2883e039048cbbce4320b4 alias ClusterStorage path_grouping_policy multibus } }<\/p>\n<p>&#096;&#096;&#096;bash<br \/>\n[root&#064;client ~]# multipath -ll<br \/>\nClusterStorage (3600140559c2883e039048cbbce4320b4) dm-0 LIO-ORG ,clusterstor<br \/>\nsize&#061;4.0G features&#061;&#039;0&#039; hwhandler&#061;&#039;0&#039; wp&#061;rw<br \/>\n&#096;-&#043;- policy&#061;&#039;service-time 0&#039; prio&#061;1 status&#061;active<br \/>\n  |- 2:0:0:0 sdb 8:16 active ready running<br \/>\n  &#096;- 3:0:0:0 sda 8:0  active ready running<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb966\u6b21\uff0c\u70b9\u8d5e10\u6b21\uff0c\u6536\u85cf19\u6b21\u3002\u591a\u8def\u5f84\u662f\u6307\u670d\u52a1\u5668\u548c\u5b58\u50a8\u9635\u5217\u5b58\u5728\u591a\u4e2a\u7269\u7406\u8fde\u63a5\u65b9\u5f0f\u4f7f\u7528\u865a\u62df\u8bbe\u5907\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u63d0\u4f9b\u66f4\u52a0\u5f39\u6027\u7684\u5b58\u50a8\u8fde\u63a5\uff08\u4e00\u4e2a\u8def\u5f84down\u6389\u4e0d\u4f1a\u5f71\u54cd\u8fde\u63a5\u6027\uff09\uff0c\u4e5f\u53ef\u4ee5\u805a\u5408\u5b58\u50a8\u5e26\u5bbd\u63d0\u4f9b\u6027\u80fd\u3002\u793a\u4f8b\uff1a\u591a\u8def\u5f84\u7531dm-multipath\u5b50\u7cfb\u7edf\u63d0\u4f9b\uff0c\u4f7f\u7528\u5185\u6838device mapper\u7cfb\u7edf\u83b7\u5f97\u865a\u62df\u8bbe\u5907\uff0c\u6709multipathd\u8fdb\u7a0b\u548cmultipath\u547d\u4ee4\u884c\u5de5\u5177\u7ba1\u7406\u3002\u8f6f\u4ef6\u5305device-mapper-multipath\u63d0\u4f9b\u5fc5\u8981\u7684binaries daemon\u548ckernel modules\u3002\u5b89\u88c5\u3001\u914d\u7f6e\u3001\u542f\u52a8\u540e\uff0c\u591a\u8def\u5f84\u8bbe\u5907\u8282\u70b9\u4f1a\u521b\u5efa\u5728\u4e24\u4e2a\u4f4d\u7f6e\u3002<\/p>\n","protected":false},"author":2,"featured_media":50848,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4963,100,43,44],"topic":[],"class_list":["post-50850","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-4963","tag-100","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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