{"id":85085,"date":"2026-07-27T00:16:57","date_gmt":"2026-07-26T16:16:57","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85085.html"},"modified":"2026-07-27T00:16:57","modified_gmt":"2026-07-26T16:16:57","slug":"iscsi-%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85085.html","title":{"rendered":"iSCSI \u670d\u52a1\u5668"},"content":{"rendered":"

iSCSI \u670d\u52a1\u5668<\/h2>\n

iSCSI \u670d\u52a1\u4ecb\u7ecd<\/h3>\n

SCSI（Small Computer System Interface，\u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3），\u4e00\u79cd\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u667a\u80fd\u8bbe\u5907 \u4e4b\u95f4（\u786c\u76d8\u3001\u8f6f\u9a71\u3001\u5149\u9a71\u3001\u6253\u5370\u673a\u3001\u626b\u63cf\u4eea\u7b49）\u8fde\u63a5\u6807\u51c6\u3002<\/p>\n

iSCSI（Internet Small Computer System Interface，Internet \u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3)，\u53c8\u79f0\u4e3aIPSAN，\u662fIBM\u516c\u53f8\u7814\u7a76\u5f00\u53d1\u7684IP SAN\u6280\u672f，\u8be5\u6280\u672f\u662f\u5c06\u73b0\u6709SCSI\u63a5\u53e3\u4e0e\u4ee5\u592a\u7f51\u7edc(Ethernet)\u6280\u672f\u7ed3 \u5408，\u57fa\u4e8eTCP\/IP\u7684\u534f\u8bae\u8fde\u63a5iSCSI\u670d\u52a1\u7aef（Target）\u548c\u5ba2\u6237\u7aef(Initiator)，\u4f7f\u5f97\u5c01\u88c5\u540e\u7684SCSI\u6570\u636e\u5305 \u53ef\u4ee5\u5728\u4e92\u8054\u7f51\u4f20\u8f93，\u6700\u7ec8\u5b9e\u73b0iSCSI\u670d\u52a1\u7aef\u63d0\u4f9b\u5b58\u50a8\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n

\u901a\u5e38，iSCSI\u4f7f\u7528\u4e13\u7528\u768410 Gb\u4ee5\u592a\u7f51\u6216\u66f4\u597d\u7684\u7f51\u7edc，\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n

\u4ece\u7269\u7406\u670d\u52a1\u5668\u5230\u5b58\u50a8\u7684\u7535\u7f06\u901a\u5e38\u5c01\u95ed\u5728\u6570\u636e\u4e2d\u5fc3\u5185，\u5e76\u4e14\u7406\u60f3\u60c5\u51b5\u4e0b\u4e0d\u76f4\u63a5\u8fde\u63a5\u5230LAN\u7f51\u7edc，\u6240 \u4ee5SAN\u6d41\u91cf\u901a\u5e38\u4e0d\u52a0\u5bc6，\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u9ad8\u6027\u80fd\u3002 \u4e3a\u4e86\u5b9e\u73b0WAN\u5b89\u5168，iSCSI\u7ba1\u7406\u5458\u53ef\u4ee5\u4f7f\u7528 IPsec\u52a0\u5bc6\u6d41\u91cf\u3002<\/p>\n

iSCSI \u67b6\u6784<\/h3>\n

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，\u7b49 \u540c\u4e8e\u901a\u8fc7SCSI\u5e03\u7ebf\u3001FC\u76f4\u8fde\u6216FC\u4ea4\u6362\u5149\u7ebf\u8fde\u63a5\u7684\u8bbe\u5907\u3002<\/p>\n

Initiator，iSCSI\u5ba2\u6237\u7aef，\u901a\u5e38\u4ee5\u8f6f\u4ef6\u65b9\u5f0f\u90e8\u7f72，\u4e5f\u53ef\u4ee5\u4f7f\u7528iSCSI Host Bus Adapters (HBAs) （HBA）\u786c\u4ef6\u3002 Initiator\u5fc5\u987b\u5177\u6709\u552f\u4e00\u7684\u540d\u79f0（\u8bf7\u53c2\u89c1IQN）\u3002<\/p>\n

Target，iSCSI\u670d\u52a1\u5668\u4e0a\u7684iSCSI\u5b58\u50a8\u8d44\u6e90\u3002 Target\u5fc5\u987b\u5177\u6709\u552f\u4e00\u7684\u540d\u79f0（\u8bf7\u53c2\u89c1IQN）\u3002 \u6bcf \u4e2a\u76ee\u6807\u90fd\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a\u5757\u8bbe\u5907\u6216\u903b\u8f91\u5355\u5143（LUN-logical units）\u3002 \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b， Target\u53ea\u63d0\u4f9b\u4e00\u4e2a\u8bbe\u5907，\u4f46\u4e00\u53f0\u670d\u52a1\u5668\u53ef\u4ee5\u63d0\u4f9b\u591a\u4e2a\u76ee\u6807\u3002<\/p>\n

IQN（iSCSI Qualified Name）\u5168\u7403\u552f\u4e00\u7684\u540d\u79f0，\u7528\u4e8e\u6807\u8bc6\u53d1\u8d77\u8005\u548c\u76ee\u6807\u3002 IQN\u5177\u6709\u4ee5\u4e0b\u683c \u5f0f：<\/p>\n

iqn.YYYY-MM.com.reversed.domain:name_string<\/p>\n

YYYY-MM，\u5e74\u548c\u6708\u3002\u793a\u4f8b，2020\u5e746\u6708\u4e3a2020-06\u3002\u8be5\u65e5\u671f\u6709\u52a9\u4e8e\u786e\u4fddIQN\u552f\u4e00\u6027\u3002<\/p>\n

com.reversed.domain，\u53cd\u5411\u57df\u540d\u3002 \u4f8b\u5982， server.redhat.fun \u7684\u53cd\u5411\u57df\u540d\u4e3a cloud.laoma.www \u3002<\/p>\n

name_string，\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，\u5219\u6709\u65f6\u4f1a \u7701\u7565\u6b64\u540d\u79f0<\/p>\n

Portal，\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u7684\u5730\u5740\u548c\u7aef\u53e3，\u4f8b\u5982，172.25.250.50:3260\u3002<\/p>\n

LUN（Logical Unit Number），\u4ee3\u8868Target\u63d0\u4f9b\u7684\u5757\u8bbe\u5907\u3002 \u6bcf\u4e2a\u76ee\u6807\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a LUN\u3002<\/p>\n

ACL（Access Control List），\u4f7f\u7528Initiator\u7684IQN\u9650\u5236\u5ba2\u6237\u7aef\u8bbf\u95eeTarget\u3002<\/p>\n

TPG（Target Portal Group），\u662f\u76ee\u6807\u7684\u5b8c\u6574\u914d\u7f6e，\u5305\u62ecPortal，LUN\u548cACL\u3002 \u51e0\u4e4e\u6240\u6709 \u76ee\u6807\u90fd\u4f7f\u7528\u4e00\u4e2aTPG，\u4f46\u662f\u9ad8\u7ea7\u914d\u7f6e\u6709\u65f6\u53ef\u80fd\u4f1a\u5b9a\u4e49\u591a\u4e2aTPG\u3002<\/p>\n

**discovery，**\u67e5\u8be2\u670d\u52a1\u5668\u4e0a\u6709Target\u5217\u8868\u3002<\/p>\n

login，\u5411Target\u9a8c\u8bc1，\u9a8c\u8bc1\u901a\u8fc7\u540e\u5373\u53ef\u4ee5\u4f7f\u7528Target\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u5757\u8bbe\u5907\u3002<\/p>\n

\u914d\u7f6e iSCSI Targets<\/h3>\n

\u914d\u7f6e iSCSI Targets\u9700\u8981\u5b89\u88c5\u4ee5\u4e0b\u8f6f\u4ef6：<\/p>\n

targetd，\u670d\u52a1\u7aef\u8f6f\u4ef6\u3002<\/p>\n

targetcli，targetd\u670d\u52a1\u914d\u7f6e\u5de5\u5177\u3002<\/p>\n

# \u5b89\u88c5\u8f6f\u4ef6<\/span>
\n[<\/span>root@server ~ 17<\/span>:13:31]<\/span># yum install -y targetd targetcli<\/span><\/p>\n

# \u542f\u7528\u5e76\u542f\u52a8\u670d\u52a1<\/span>
\n[<\/span>root@server ~ 17<\/span>:14:15]<\/span># systemctl enable target –now <\/span><\/p>\n

# \u914d\u7f6e\u9632\u706b\u5899<\/span>
\n[<\/span>root@server ~ 17<\/span>:15:36]<\/span># firewall-cmd –permanent –add-service=iscsi-target<\/span>
\n[<\/span>root@server ~ 17<\/span>:16:58]<\/span># firewall-cmd –reload<\/span><\/p>\n

\u5f53\u60a8\u4e0d\u5e26\u4efb\u4f55\u9009\u9879\u8fd0\u884ctargetcli\u65f6，\u8be5\u547d\u4ee4\u5c06\u8fdb\u5165\u4ea4\u4e92\u6a21\u5f0f\u3002<\/p>\n

[<\/span>root@server ~ 17<\/span>:17:08]<\/span># targetcli<\/span>
\ntargetcli shell version 2.1<\/span>.fb49
\nCopyright 2011<\/span>-2013 by Datera, Inc and others.
\nFor help<\/span> on commands, type<\/span> 'help'<\/span>.<\/span>
\n\/><\/span> ls<\/span>
\no- \/ ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>.
\n[<\/span>..<\/span>.]<\/span>
\no- backstores ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>
\n[<\/span>..<\/span>.]<\/span>
\n|<\/span> o- block ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span> [<\/span>Storage Objects:
\n0<\/span>]<\/span>
\n|<\/span> o- fileio ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>. [<\/span>Storage Objects:
\n0<\/span>]<\/span>
\n|<\/span> o- pscsi ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span> [<\/span>Storage Objects:
\n0<\/span>]<\/span>
\n|<\/span> o- ramdisk ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span> [<\/span>Storage Objects:
\n0<\/span>]<\/span>
\no- iscsi ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span> [<\/span>Targets:
\n0<\/span>]<\/span>
\no- loopback ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>. [<\/span>Targets:
\n0<\/span>]<\/span>
\n\/><\/span><\/p>\n

\u914d\u7f6e backstore \u5bf9\u8c61<\/h4>\n

backstore\u7c7b\u578b：<\/p>\n

**block：**\u670d\u52a1\u5668\u4e2d\u7684\u5757\u8bbe\u5907，\u4f8b\u5982\u78c1\u76d8\u9a71\u52a8\u5668，\u78c1\u76d8\u5206\u533a\u6216\u903b\u8f91\u5377\u3002<\/p>\n

fileio：\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u5e38\u89c4\u6587\u4ef6\u3002targetcli\u5c06\u8be5\u6587\u4ef6\u7528\u4f5c\u78c1\u76d8\u6620\u50cf\u3002<\/p>\n

**pscsi:**\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<\/p>\n

**ramdisk:**\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， \u6570\u636e\u5c06\u4e22\u5931\u3002<\/p>\n

\u8981\u4f7f\u7528targetcli\u521b\u5efa\u540e\u5907\u5b58\u50a8，\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<\/p>\n

\/><\/span> cd<\/span> \/backstores\/block
\n\/backstores\/block><\/span> create myblock1 \/dev\/sdb
\nCreated block storage object myblock1 using \/dev\/sdb.<\/p>\n

\u7b49\u540c\u4e8e<\/p>\n

\/><\/span> \/backstores\/block create myblock1 \/dev\/sdb
\nCreated block storage object myblock1 using \/dev\/sdb.<\/p>\n

\u914d\u7f6e Target IQN<\/h4>\n

\u5728\/iscsi\u4f2a\u76ee\u5f55\u4e2d，\u521b\u5efaIQN，\u5c06\u60a8\u9009\u62e9\u7684IQN\u540d\u79f0\u4f5c\u4e3a\u5176\u7b2c\u4e00\u4e2a\u53c2\u6570\u3002<\/p>\n

\/><\/span> cd<\/span> \/iscsi
\n\/iscsi><\/span> create iqn.2026-01.cloud.bao.server:disk1
\nCreated target iqn.2026-01.cloud.bao.server:disk1.
\nCreated TPG 1<\/span>.
\nGlobal pref auto_add_default_portal<\/span>=<\/span>true
\nCreated default portal listening on all IPs (<\/span>0.0<\/span>.0.0)<\/span>, port 3260<\/span>.
\n\/iscsi><\/span> ls<\/span>
\no- iscsi ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>
\n[<\/span>Targets: 1<\/span>]<\/span>
\n o- iqn.2026-01.cloud.bao.server:disk1
\n..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>. [<\/span>TPGs: 1<\/span>]<\/span>
\n o- tpg1 ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>. [<\/span>no-gen-acls, noauth]<\/span><\/p>\n

o- acls ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>
\n[<\/span>ACLs: 0<\/span>]<\/span>
\n o- luns ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>
\n[<\/span>LUNs: 0<\/span>]<\/span>
\n o- portals ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>
\n[<\/span>Portals: 1<\/span>]<\/span>
\n o- 0.0<\/span>.0.0:3260 ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>.
\n[<\/span>OK]<\/span><\/p>\n

\u914d\u7f6e LUN<\/h4>\n

\/><\/span> cd<\/span> \/iscsi\/iqn.2026-01.cloud.bao.server:disk1\/tpg1\/luns
\n\/iscsi\/iqn.20..<\/span>.sk1\/tpg1\/luns><\/span> create \/backstores\/block\/myblock1
\nCreated LUN 0<\/span>.<\/p>\n

\u914d\u7f6e ACL<\/h4>\n

\u521b\u5efaACL，\u4ee5\u5141\u8bb8\u5ba2\u6237\u7aef\u542f\u52a8\u7a0b\u5e8f\u8bbf\u95ee\u76ee\u6807\u3002\u5728Red Hat Enterprise Linux\u4e0a，\u542f\u52a8\u5668\u7684IQN\u5b58\u50a8 \u5728\/etc\/iscsi\/initiatorname.iscsi\u6587\u4ef6\u4e2d\u3002<\/p>\n

\/><\/span> cd<\/span> \/iscsi\/iqn.2026.-01.cloud.bao.server:disk1\/tpg1\/acls
\n\/iscsi\/iqn.20..<\/span>.sk1\/tpg1\/acls><\/span> create iqn.2024-12.cloud.bao.client
\nCreated Node ACL for<\/span> iqn.2024-12.cloud.bao.client
\nCreated mapped LUN 0<\/span>.<\/p>\n

\u914d\u7f6e Portal<\/h4>\n

\/><\/span> cd<\/span> \/iscsi\/iqn.2026.-01.cloud.bao.server:disk1\/tpg1\/portals\/
\n\/iscsi\/iqn.20..<\/span>.\/tpg1\/portals><\/span> delete 0.0<\/span>.0.0 3260<\/span>
\nDeleted network portal 0.0<\/span>.0.0:3260
\n\/iscsi\/iqn.20..<\/span>.\/tpg1\/portals><\/span> create 10.1<\/span>.8.10 3260<\/span>
\nUsing default IP port 3260<\/span>
\nCreated network portal 10.1<\/span>.8.10:3260.<\/p>\n

\u4fdd\u5b58\u914d\u7f6e<\/h4>\n

\u9000\u51fatargetcli shell\u65f6，\u8be5\u547d\u4ee4\u5c06\u914d\u7f6e\u4fdd\u5b58\u5728\/etc\/target\/saveconfig.json\u6587\u4ef6\u4e2d\u3002<\/p>\n

\/><\/span> exit<\/span>
\nGlobal pref auto_save_on_exit<\/span>=<\/span>true
\nConfiguration saved to \/etc\/target\/saveconfig.json<\/p>\n

\u975e\u4ea4\u4e92\u5f0f\u7ba1\u7406 Targets<\/h3>\n

[<\/span>root@server ~ 17<\/span>:28:28]<\/span># targetcli \/backstores\/block create myblock1 \/dev\/sdb<\/span>
\nCreated block storage object myblock1 using \/dev\/sdb.
\n[<\/span>root@server ~ 17<\/span>:29:43]<\/span># targetcli \/iscsi create iqn.2026.-01.cloud.bao.server:disk1<\/span>
\nCreated target iqn.2026.-01.cloud.bao.server:disk1.
\nCreated TPG 1<\/span>.
\nGlobal pref auto_add_default_portal<\/span>=<\/span>true
\nCreated default portal listening on all IPs (<\/span>0.0<\/span>.0.0)<\/span>, port 3260<\/span>.<\/p>\n

[<\/span>root@server ~17:29:43]<\/span># targetcli \/iscsi\/iqn.2026.-01.cloud.bao.server:disk1\/tpg1\/luns \\\\<\/span>
\n><\/span> create \/backstores\/block\/myblock1
\nCreated LUN 0<\/span>.<\/p>\n

[<\/span>root@server ~17:29:43]<\/span># targetcli \/iscsi\/iqn.2026.-01.cloud.bao.server:disk1\/tpg1\/acls \\\\<\/span>
\n><\/span> create iqn.2024-12.cloud.bao.client
\nCreated Node ACL for<\/span> iqn.2024-12.cloud.bao.client
\nCreated mapped LUN 0<\/span>.<\/p>\n

[<\/span>root@server ~17:29:43]<\/span># targetcli \/iscsi\/iqn.2026.-01.cloud.bao.server:disk1\/tpg1\/portals \\\\<\/span>
\n><\/span> delete 0.0<\/span>.0.0 3260<\/span>
\nDeleted network portal 0.0<\/span>.0.0:3260<\/p>\n

[<\/span>root@server ~17:29:43]<\/span># targetcli \/iscsi\/iqn.2024-<\/span>
\n12<\/span>.cloud.bao.server:disk1\/tpg1\/portals \\\\<\/span>
\n><\/span> create 10.1<\/span>.8.10 3260<\/span>
\nUsing default IP port 3260<\/span>
\nCreated network portal 172.25<\/span>.250.10:3260.<\/p>\n

[<\/span>root@server ~17:29:43]<\/span># targetcli saveconfig<\/span>
\nConfiguration saved to \/etc\/target\/saveconfig.json<\/p>\n

\u63d0\u793a：\u4e0e\u4ea4\u4e92\u5f0f\u4f7f\u7528targetcli\u4e0d\u540c，\u547d\u4ee4\u884c\u6a21\u5f0f\u5fc5\u987b\u663e\u5f0f\u8fd0\u884csaveconfig\u5b50\u547d\u4ee4\u4ee5\u4fdd\u5b58\u914d\u7f6e\u3002<\/p>\n

\u8bbf\u95ee iSCSI \u5b58\u50a8<\/h3>\n

\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u786c\u4ef6\u542f\u52a8\u5668-\u4e3b\u673a\u603b\u7ebf\u9002\u914d\u5668（HBA），\u4ece\u800c\u51cf\u8f7b\u4e86\u5176\u4ed6\u7cfb\u7edf\u8d44\u6e90\u7684\u8d1f\u62c5\u3002<\/p>\n

\u51c6\u5907\u7cfb\u7edf<\/h5>\n

\u914d\u7f6eiSCSI\u5ba2\u6237\u7aef\u542f\u52a8\u7a0b\u5e8f\u9700\u8981\u5b89\u88c5iscsi-initiator-utils\u8f6f\u4ef6\u5305，\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

[<\/span>root@client ~]<\/span># yum install -y iscsi-initiator-utils<\/span><\/p>\n

\u4f5c\u4e3aiSCSI\u542f\u52a8\u5668，\u5ba2\u6237\u7aef\u9700\u8981\u5176\u81ea\u5df1\u7684\u552f\u4e00iSCSI\u5408\u683c\u540d\u79f0（IQN）\u3002\u5728\u5b89\u88c5iscsi-initiator-utils\u7684 \u8fc7\u7a0b\u4e2d，\u8be5\u8f6f\u4ef6\u5305\u751f\u6210\u552f\u4e00\u7684IQN，\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

[<\/span>root@client ~]<\/span># vim \/etc\/iscsi\/initiatorname.iscsi<\/span>
\nInitiatorName<\/span>=<\/span>iqn.2026-01.cloud.bao.client<\/p>\n

\/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，\u91cd\u8bd5\u4ee5\u53ca\u7528 \u4e8e\u8eab\u4efd\u9a8c\u8bc1\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u53c2\u6570\u3002<\/p>\n

\u8f6f\u4ef6\u5305\u5b89\u88c5\u4f1a\u81ea\u52a8\u914d\u7f6eiscsid\u670d\u52a1，\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，\u8bf7\u91cd\u65b0\u542f\u52a8iscsid\u670d\u52a1<\/p>\n

\u8fde\u63a5 iSCSI \u76ee\u6807<\/h5>\n

\u5728\u4f7f\u7528\u8fdc\u7a0b\u8bbe\u5907\u4e4b\u524d，\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<\/p>\n

[<\/span>root@client ~]<\/span># iscsiadm -m discovery -t st -p portal_ip[:port]<\/span><\/p>\n

\u53c2\u6570\u8bf4\u660e：<\/p>\n

portal_ip\u53c2\u6570\u662f\u76ee\u6807\u95e8\u6237\u7684IP\u5730\u5740\u3002 \u5982\u679c\u672a\u6307\u5b9aport\u53c2\u6570，\u5b83\u5c06\u4f7f\u7528\u9ed8\u8ba4\u7aef\u53e33260\u3002<\/p>\n

\u793a\u4f8b：<\/p>\n

#\u67e5\u627e\u53ef\u4ee5\u767b\u5f55\u7684\u76ee\u6807<\/span>
\n[<\/span>root@client ~]<\/span># iscsiadm -m discovery -t st -p server<\/span>
\n10.1<\/span>.8.10:3260,1 iqn.2026.-01.cloud.bao.server:disk1<\/p>\n

\u8981\u4f7f\u7528\u5217\u51fa\u7684\u76ee\u6807\u4e4b\u4e00，\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u767b\u5f55\u5230\u8be5\u76ee\u6807：-p\u662f\u6307\u5411，\u52a0\u4e86\u53ea\u4f1a\u767b\u5f55\u6307\u5411\u7684\u76ee\u6807<\/p>\n

[root@client ~]# iscsiadm -m node -T Target -p portal_ip[:port] -l<\/p>\n

\u793a\u4f8b<\/p>\n

[<\/span>root@client ~]<\/span># iscsiadm -m node -T iqn.2026-<\/span>
\n01.cloud.bao.server:disk1 -l
\nLogging in<\/span> to [<\/span>iface: default, target: iqn.2024-
\n12<\/span>.cloud.bao.server:disk1, portal: 10.1<\/span>.8.10,3260]<\/span>
\nLogin to [<\/span>iface: default, target: iqn.2026.-01.cloud.bao.server:disk1,
\nportal: 10.1<\/span>.8.10,3260]<\/span> successful.<\/p>\n

\u6b64\u65f6，\u7cfb\u7edf\u5c06\u68c0\u6d4b\u5230\u65b0\u7684SCSI\u5757\u8bbe\u5907，\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，\u8be5\u547d\u4ee4\u4ee5\u6253\u5370\u7ea7\u522b3\u663e\u793a\u6709\u5173\u5f53\u524diSCSI\u767b\u5f55\u4f1a\u8bdd\u7684\u4fe1\u606f\u3002<\/p>\n

[<\/span>root@client ~]<\/span># iscsiadm -m session -P 3<\/span>
\niSCSI Transport Class version 2.0<\/span>-870
\nversion 6.2<\/span>.0.877-0
\nTarget: iqn.2026.-01.cloud.bao.server:disk1 (<\/span>non-flash)<\/span>
\nCurrent Portal: 10.1<\/span>.8.10:3260,1
\n..<\/span>.output omitted..<\/span>.
\nAttached scsi disk sdc State: running<\/p>\n

\u683c\u5f0f\u5316 iSCSI \u8bbe\u5907<\/h5>\n

\u5982\u679c\u53d1\u73b0\u7684\u5757\u8bbe\u5907\u5df2\u7ecf\u5177\u6709\u5206\u533a，\u6587\u4ef6\u7cfb\u7edf\u6216LVM\u5377，\u5219\u53ef\u4ee5\u4f7f\u7528\u5e38\u89c4\u547d\u4ee4（\u5982mount）\u8bbf\u95ee\u8be5 \u6570\u636e\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528lsblk –fs\u547d\u4ee4\u68c0\u67e5\u8bbe\u5907\u3002<\/p>\n

[<\/span>root@client ~]<\/span># blkid<\/span>
\nNAME FSTYPE LABEL UUID MOUNTPOINT
\nsda
\n\u251c\u2500sda1 xfs f7614c41-2835-4125-bb13-50772dc2f30c \/boot
\n\u251c\u2500sda2 swap 78a5f1eb-a593-4db3-b15a-f49042e182a2 [<\/span>SWAP]<\/span>
\n\u2514\u2500sda3 xsf ac2790c4-cfbb-409e-88a9-fe8c963fcd00 \/
\nsdb LVM2_member 4ALe1y-oEXe-XLer-PjYW-n5ud-Ryko-XZZ2PM
\n\u251c\u2500dbdata-log ext4 bd566c1f-01a1-404d-8f01-9495004f327c \/data\/db\/log
\n\u2514\u2500dbdata-data ext4 5640b4ae-5868-4bf5-8715-51fc18d8656b \/data\/db\/data
\nsdc<\/p>\n

\u591a\u4e2a\u542f\u52a8\u7a0b\u5e8f\u540c\u65f6\u4ece\u540c\u4e00\u76ee\u6807\u5b89\u88c5\u540c\u4e00\u6587\u4ef6\u7cfb\u7edf，\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（\u4f8b\u5982ext4\u6216XFS）\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，\u8bf7\u4f7f\u7528\u7fa4\u96c6\u6587\u4ef6\u7cfb\u7edf（\u4f8b\u5982GFS2）\u3002<\/p>\n

\u5982\u679c\u78c1\u76d8\u4e3a\u7a7a，\u5219\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u683c\u5f0f\u5316，\u521b\u5efa\u5206\u533a\u6216\u5c06\u5176\u7528\u4f5cLVM\u7269\u7406\u5377<\/p>\n

# \u5047\u8bbe\u5ba2\u6237\u7aef\u53d1\u73b0\u7684\u8bbe\u5907\u540d\u79f0\u662f\/dev\/sdb<\/span>
\n[<\/span>root@client ~18:02:43]<\/span># mkfs.xfs \/dev\/sdb<\/span><\/p>\n

\u6301\u4e45\u5316\u6302\u8f7d<\/h5>\n

\u5728\/etc\/fstab\u4e2d\u7684iSCSI\u76ee\u6807\u4e0a\u6301\u4e45\u5730\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u65f6，\u8bf7\u786e\u4fdd\u9075\u5faa\u4ee5\u4e0b\u5efa\u8bae<\/p>\n

\u4f7f\u7528\u5e26\u6709\u2013fs\u9009\u9879\u7684lsblk\u547d\u4ee4\u6765\u786e\u5b9a\u6587\u4ef6\u7cfb\u7edfUUID，\u7136\u540e\u4f7f\u7528\u8be5UUID\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002 \u4e0d\u8981 \u4f7f\u7528\u8bbe\u5907\u540d\u79f0（ \/dev\/sd* ）\u3002 \u8bbe\u5907\u7684\u540d\u79f0\u53d6\u51b3\u4e8e iSCSI \u8bbe\u5907\u901a\u8fc7\u7f51\u7edc\u54cd\u5e94\u7684\u987a\u5e8f，\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，\u5219\u7cfb\u7edf\u53ef\u80fd\u4f1a\u5c06\u8bbe\u5907\u6302 \u8f7d\u5728\u9519\u8bef\u7684\u6302\u8f7d\u70b9\u4e0b\u3002<\/p>\n

\u5728\/etc\/fstab\u4e2d\u4f7f\u7528 _netdev \u6302\u8f7d\u9009\u9879\u3002 \u56e0\u4e3aiSCSI\u4f9d\u8d56\u7f51\u7edc\u8bbf\u95ee\u8fdc\u7a0b\u8bbe\u5907，\u6240\u4ee5\u6b64\u9009\u9879\u53ef\u786e \u4fdd\u5728\u7f51\u7edc\u548c\u542f\u52a8\u5668\u542f\u52a8\u4e4b\u524d，\u7cfb\u7edf\u4e0d\u4f1a\u5c1d\u8bd5\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n

UUID<\/span>=<\/span>"3d49d1dd-8209-43a1-a106-4de328762e00"<\/span> \/data xfs defaults,_netdev
\n 0<\/span> 0<\/span><\/p>\n

\u8fd8\u9700\u8981\u786e\u4fdd\u670d\u52a1iscsi\u5f00\u673a\u81ea\u52a8\u542f\u52a8，\u8be5\u670d\u52a1\u9ed8\u8ba4\u662f\u5f00\u673a\u81ea\u52a8\u542f\u52a8\u7684\u3002<\/p>\n

# systemctl enable iscsi<\/span><\/p>\n

\u65ad\u5f00\u76ee\u6807\u8fde\u63a5<\/h5>\n

\u8981\u505c\u6b62\u4f7f\u7528iSCSI\u76ee\u6807，\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4：<\/p>\n

\u786e\u4fdd\u6ca1\u6709\u4f7f\u7528\u76ee\u6807\u63d0\u4f9b\u7684\u4efb\u4f55\u8bbe\u5907\u3002 \u4f8b\u5982，\u5378\u8f7d\u6587\u4ef6\u7cfb\u7edf<\/p>\n

\u4ece\/etc\/fstab\u7b49\u4f4d\u7f6e\u5220\u9664\u5bf9\u76ee\u6807\u7684\u6240\u6709\u6301\u4e45\u5f15\u7528\u3002 \u4eceiSCSI\u76ee\u6807\u6ce8\u9500\u3002<\/p>\n

[<\/span>root@client ~18:08:43]<\/span># iscsiadm -m node -T iqn.2026-<\/span>
\n01.cloud.bao.server:disk1 \\\\<\/span>
\n><\/span> -p 10.1<\/span>.8.10:3260 -u<\/p>\n

\u5220\u9664 iSCSI\u76ee\u6807\u7684\u672c\u5730\u8bb0\u5f55，\u4ee5\u4f7f\u542f\u52a8\u5668\u5728\u5f15\u5bfc\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u81ea\u52a8\u767b\u5f55\u5230\u76ee\u6807\u3002<\/p>\n

[<\/span>root@client ~18:12:02]<\/span># iscsiadm -m node -T iqn.2026-<\/span>
\n01.cloud.bao.server:disk1 \\\\<\/span>
\n><\/span> -p 10.1<\/span>.8.10:3260 -o delete<\/p>\n

\u591a\u8def\u5f84\u8bbf\u95ee<\/h3>\n

\u670d\u52a1\u7aef\u51c6\u5907<\/h4>\n

\u51c6\u5907\u4e24\u4e2a\u7f51\u7edc，targetcli\u4e2d\u7684portal\u4e5f\u914d\u7f6e\u4e24\u4e2a\u3002\u6548\u679c\u5982\u4e0b：<\/p>\n

[<\/span>root@server ~ 20<\/span>:32:39]<\/span># ip -br a<\/span>
\nlo UNKNOWN 127.0<\/span>.0.1\/8 ::1\/128
\nens33 UP 10.1<\/span>.8.10\/24 fe80::20c:29ff:fe72:3fd2\/64 <\/p>\n

[<\/span>root@server ~ 20<\/span>:33:40]<\/span># targetcli \/iscsi\/iqn.2026- 08.fun.linux.server:webapp\/tpg1\/port<\/span>
\no- portals ..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>
\n[<\/span>Portals: 2<\/span>]<\/span>
\n o- 10.1<\/span>.1.10:3260
\n..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>. [<\/span>OK]<\/span>
\n o- 10.1<\/span>.8.10:3260
\n..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>..<\/span>. [<\/span>OK]<\/span><\/p>\n

\u4ec0\u4e48\u662f\u591a\u8def\u5f84<\/h4>\n

\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，\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u63d0\u4f9b\u66f4\u52a0\u5f39\u6027 \u7684\u5b58\u50a8\u8fde\u63a5（\u4e00\u4e2a\u8def\u5f84down\u6389\u4e0d\u4f1a\u5f71\u54cd\u8fde\u63a5\u6027），\u4e5f\u53ef\u4ee5\u805a\u5408\u5b58\u50a8\u5e26\u5bbd\u63d0\u4f9b\u6027\u80fd\u3002<\/p>\n

\u914d\u7f6e\u591a\u8def\u5f84<\/h4>\n

\u5b89\u88c5\u8f6f\u4ef6\u5305<\/h5>\n

[<\/span>root@client ~ 20<\/span>:35:00]<\/span># yum install -y device-mapper-multipath<\/span><\/p>\n

\u542f\u7528\u591a\u8def\u5f84<\/h5>\n

\u521b\u5efa\u914d\u7f6e\u6587\u4ef6 \/etc\/multipath.conf \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528mpathconf\u5de5\u5177：<\/p>\n

\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728，\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u914d\u7f6e\u6587\u4ef6\u3002\u4e5f\u53ef\u4ee5\u4ece\u9ed8\u8ba4\u4f4d\u7f6e\/usr\/share\/doc\/devicemapper-multipath-*\/multipath.conf\u62f7\u8d1d\u8fc7\u6765\u3002<\/p>\n

[<\/span>root@client ~ 20<\/span>:35:05]<\/span># mpathconf –enable<\/span><\/p>\n

\u5982\u679c\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728，\u5219\u4ee5\u4e0b\u547d\u4ee4\u4f1a\u4fee\u6539\u6587\u4ef6\u914d\u7f6e\u3002<\/p>\n

[<\/span>root@client ~ 20<\/span>:39:25]<\/span># mpathconf –enable –with_multipathd y —<\/span>
\nwith_chkconfig y<\/p>\n

\u786e\u5b9a\u8bbe\u5907\u662f\u540c\u4e00\u8bbe\u5907<\/h4>\n

scsi_id \u547d\u4ee4<\/h5>\n

root@client ~ 20<\/span>:41:23]<\/span># \/usr\/lib\/udev\/scsi_id -g -u \/dev\/sdb<\/span>
\n360014057202ac29e3cd4d24850ed82f3
\n[<\/span>root@client ~]<\/span># \/usr\/lib\/udev\/scsi_id -g -u \/dev\/sdc<\/span>
\n360014057202ac29e3cd4d24850ed82f<\/p>\n

udevadm \u547d\u4ee4<\/h5>\n

[<\/span>root@client ~ 20<\/span>:46:08]<\/span># udevadm info –query=property –name=\/dev\/sdb | grep <\/span>
\nID_WWN_W
\nID_WWN_WITH_EXTENSION<\/span>=<\/span>0x600140559c2883e039048cbbce4320b4
\n[<\/span>root@client ~ 20<\/span>:49:27]<\/span># udevadm info –query=property –name=\/dev\/sdC | grep <\/span>
\nID_WWN_W
\nID_WWN_WITH_EXTENSION<\/span>=<\/span>0x600140559c2883e039048cbbce4320b4<\/p>\n

\u901a\u8fc7 UUID \u6216\u5176\u4ed6\u6807\u8bc6\u7b26\u8f85\u52a9\u5224\u65ad<\/h5>\n

[<\/span>root@client ~ 20<\/span>:52:12]<\/span># blkid \/dev\/sdb<\/span>
\n\/dev\/sdb: UUID<\/span>=<\/span>"3c4cd1fc-8e65-4ce5-a85d-0b9a79e582b4"<\/span> TYPE<\/span>=<\/span>"xfs"<\/span>
\n[<\/span>root@client ~ 20<\/span>:54:56]<\/span># blkid \/dev\/sdc<\/span>
\n\/dev\/sdc: U3c4cd1fc-8e65-4ce5-a85d-0b9a79e582b4" TYPE="<\/span>xfs" <\/p>\n

\u76d1\u63a7\u591a\u8def\u5f84<\/h4>\n

multipath\u547d\u4ee4\u4e5f\u53ef\u7528\u4e8e\u591a\u8def\u5f84\u72b6\u6001\u76d1\u63a7\u3002<\/p>\n

-l \u9009\u9879，\u663e\u793a\u591a\u8def\u5f84\u62d3\u6251\u7b80\u4ecb\u3002<\/p>\n

-ll \u9009\u9879，\u4f1a\u68c0\u6d4b\u6240\u6709\u8def\u5f84\u662f\u5426active，\u5982\u679c\u6ca1\u6709\u95ee\u9898，\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，\u6709\u4e09\u4e2a\u90e8\u5206\u7ec4\u6210：\u591a\u8def\u5f84\u8bbe\u5907，path group，path group\u6210\u5458\u3002<\/p>\n

[<\/span>root@client ~ 20<\/span>:55:48]<\/span># multipath -ll<\/span>
\nmpatha (<\/span>360014057202ac29e3cd4d24850ed82f3)<\/span> dm-3 LIO-ORG ,db01 <\/p>\n

size<\/span>=<\/span>100G features<\/span>=<\/span>'0'<\/span> hwhandler<\/span>=<\/span>'0'<\/span> wp<\/span>=<\/span>rw
\n|<\/span>-+- policy<\/span>=<\/span>'service-time 0'<\/span> prio<\/span>=<\/span>1<\/span> status<\/span>=<\/span>active
\n|<\/span> `<\/span>– 32<\/span>:0:0:0 sdb 8<\/span>:16 active ready running
\n`<\/span><\/span>-+- policy<\/span>=<\/span>'service-time 0'<\/span> prio<\/span>=<\/span>1<\/span> status<\/span>=<\/span>enabled
\n `- 33<\/span>:0:0:0 sdc 8<\/span>:32 active ready running<\/p>\n

\u7b2c\u4e00\u90e8\u5206\u662f\u591a\u8def\u5f84\u8bbe\u5907\u4fe1\u606f\u3002<\/p>\n

\u7b2c\u4e00\u884c：alias wwid \u8bbe\u5907\u540d vendor \u548c\u4ea7\u54c1\u4fe1\u606f\u3002 WWID（World Wide Identifier），\u5168\u7403\u552f\u4e00\u6807\u8bc6\u7b26，\u662f Linux \u591a\u8def\u5f84\u8f6f\u4ef6 （ multipath ）\u4f7f\u7528\u7684\u903b\u8f91\u6807\u8bc6\u7b26，\u7528\u4e8e\u6807\u8bc6\u591a\u8def\u5f84\u8bbe\u5907（\u7531\u591a\u4e2a\u7269\u7406\u8def\u5f84\u805a\u5408\u800c\u6210\u7684 \u903b\u8f91\u8bbe\u5907）<\/p>\n

\u7b2c\u4e8c\u90e8\u5206\u662f\u591a\u8def\u5f84\u8bbe\u5907\u7684path group，\u5305\u62ec\u8c03\u5ea6\u7b56\u7565，\u4f18\u5148\u7ea7\u548cpath group \u72b6\u6001，\u7d27\u968f\u7684 \u662f\u5176\u6210\u5458path\u3002\u5bf9\u4e8e\u6bcf\u4e2apath，\u4e5f\u5c31\u662f\u8bbe\u5907\u8282\u70b9\u540d，\u5305\u62ec\u8bbe\u5907major\u548cminor\u4fe1\u606f，path\u7684 \u72b6\u6001\u3002<\/p>\n

\u914d\u7f6e\u6587\u4ef6<\/h5>\n

\u914d\u7f6e\u6587\u4ef6 \/etc\/multipath.conf，\u5305\u542b5\u4e2a\u90e8\u5206：<\/p>\n

defaults，\u5b9a\u4e49\u4e86\u6240\u6709\u591a\u8def\u5f84\u7684\u9ed8\u8ba4\u914d\u7f6e，\u4f1a\u88abdevices\u548cmultipaths\u5757\u914d\u7f6e\u8986\u76d6\u3002<\/p>\n

blacklist，\u5b9a\u4e49\u4e86\u591a\u8def\u5f84\u8bbe\u5907\u4e2d\u4e0d\u5141\u8bb8\u4f7f\u7528\u7684\u8bbe\u5907\u3002<\/p>\n

blacklist_exceptions，\u5b9a\u4e49\u4e86\u591a\u8def\u5f84\u8bbe\u5907\u4e2d\u5e94\u8be5\u5305\u542b\u7684\u8bbe\u5907，\u5373\u4f7f\u8bbe\u5907\u5df2\u7ecf\u5b9a\u4e49\u5728 blacklist\u4e2d\u3002<\/p>\n

devices，\u6307\u5b9a\u7279\u5b9a\u8bbe\u5907\u7c7b\u578b，\u4f1a\u88abmultipaths\u5757\u8986\u76d6\u3002device\u662f\u901a\u8fc7\u4ed6\u4eec\u7684vendor<\/p>\n

product\u548crevision（\u4fee\u6b63）\u5173\u952e\u5b57\u8bc6\u522b（\u6765\u81ea\u4e8esysfs\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d）\u3002<\/p>\n

multipaths，\u5305\u542b\u6307\u5b9a\u8def\u5f84，\u4f1a\u8986\u76d6defaults\u5757\u548cdevices\u5757\u4e2d\u5b9a\u4e49\u7684\u8bbe\u5907\u3002\u591a\u8def\u5f84\u57fa\u4e8e\u4ed6 \u4eec\u7684WWIDs\u8bc6\u522b（\u4f7f\u7528getuid_callout\u51fd\u6570\u83b7\u5f97）<\/p>\n

Defaults<\/h6>\n

\u5b8c\u6574\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u53ef\u4ee5\u53c2\u8003\/usr\/share\/doc\/device-mapper-multipath- *\/multipath.conf.defaults\u3002<\/p>\n

path_selector：\u5b9a\u4e49\u4e86\u7ec4\u4e2d\u4e0b\u4e00\u6b21IO\u8def\u5f84\u9009\u62e9\u7684\u7b97\u6cd5\u3002\u9ed8\u8ba4\u662f\u201cservice-time 0\u201d，\u63d0\u4f9b\u7ed9\u670d \u52a1\u6d88\u8017\u65f6\u95f4\u6700\u5c11\u7684\u8def\u5f84\u3002\u5907\u7528\u7b97\u6cd5，\u201cround-robin 0\u201d，\u5206\u53d1IO\u7ed9\u7ec4\u4e2d\u6240\u6709\u8def\u5f84\u3002 rr_min_io_rq，\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，\u5b9a\u4e49\u4e0b\u4e00\u4e2aIO\u8bf7\u6c42\u53d1\u9001\u7ed9\u6700\u77ed\u961f\u5217\u957f\u5ea6\u7684\u8def\u5f84\u3002<\/p>\n

path_grouping_policy：\u591a\u8def\u5f84\u662f\u5982\u4f55\u5408\u5e76\u5230priority\u7ec4\u4e2d\u3002\u9ed8\u8ba4\u662ffailover，\u6bcf\u4e2a\u8def\u5f84\u653e\u5165 \u5355\u72ec\u7684\u7ec4\u3002multibus，\u6240\u6709\u53ef\u80fd\u7684\u8def\u5f84\u90fd\u805a\u5408\u5230\u4e00\u4e2a\u7ec4\u4e2d\u3002\u5728\u4f7f\u7528multibus\u524d，\u786e\u4fdd\u5b58\u50a8\u63a7 \u5236\u5668\u652f\u6301active-active\u8fde\u63a5\u3002<\/p>\n

path_check：\u5b9a\u4e49multipathd\u8fdb\u7a0b\u5982\u4f55\u786e\u5b9a\u8def\u5f84\u662f\u5426healthy\u3002\u5305\u62ec\u786c\u4ef6\u72ec\u7acb\u9009\u9879， directio\u548creadsector0\u7b49，\u9ed8\u8ba4\u4e3adirectio，\u4e00\u822c\u4f1a\u88abdevices{}\u914d\u7f6e\u8986\u76d6<\/p>\n

features：\u5b9a\u4e49\u542f\u7528\u7684\u591a\u8def\u5f84\u529f\u80fd\u3002\u8bed\u6cd5\u683c\u5f0f：num list\u3002num\u4ee3\u8868\u542f\u7528\u7684\u529f\u80fd，list\u4ee3\u8868 \u542f\u7528\u7684\u529f\u80fd\u5217\u8868\u3002\u4f8b\u5982，queue_if_no_path\u548cno_partitions\u3002<\/p>\n

user_friendly_names：\u5b9a\u4e49\u5728\u672a\u5b9a\u4e49alias\u60c5\u51b5\u4e0b，\u591a\u8def\u5f84\u540d\u79f0\u662f\u5426\u4e3ampathN\u3002<\/p>\n

multipaths<\/h6>\n

\u52a0\u5230\u914d\u7f6e\u6587\u4ef6\u6700\u540e<\/p>\n

multipaths {<\/span>
\n multipath {<\/span>
\n wwid
\n360014057202ac29e3cd4d24850ed82f3
\n alias<\/span> ClusterStorage
\n path_grouping_policy failover
\n }<\/span>
\n}<\/span><\/p>\n

\u5f53path group\u914d\u7f6e\u4e86multibus\u7b56\u7565\u65f6，\u591a\u8def\u5f84\u8bbe\u5907\u5c06\u6240\u6709\u8def\u5f84\u7ec4\u5408\u5230\u4e00\u4e2a group\u4e2d\u3002<\/p>\n

multipaths {<\/span>
\n multipath {<\/span>
\n wwid
\n36001405bbc2fa575d0d46ec8951bc465（\u6539\u4e3a\u81ea\u5df1\u7684\u7f16\u7801，\u7528multipaths-ll\u67e5）
\n alias<\/span> ClusterStorage
\n path_grouping_policy multibus（）\u6ce8\u610f\u533a\u5206
\n }<\/span>
\n}<\/span><\/p>\n

[<\/span>root@client ~21:03:45]<\/span># multipath -ll<\/span>
\nClusterStorage (<\/span>360014057202ac29e3cd4d24850ed82f3)<\/span> dm-0 LIO-ORG
\n,clusterstor
\nsize<\/span>=<\/span>4<\/span>.0G features<\/span>=<\/span>'0'<\/span> hwhandler<\/span>=<\/span>'0'<\/span> wp<\/span>=<\/span>rw
\n`<\/span>-+- policy<\/span>=<\/span>'service-time 0'<\/span> prio<\/span>=<\/span>1<\/span> status<\/span>=<\/span>active
\n |<\/span>– 2<\/span>:0:0:0 sdb 8<\/span>:16 active ready running
\n `<\/span><\/span>– 3<\/span>:0:0:0 sda 8<\/span>:0 active ready running<\/p>\n

devices<\/h5>\n

devices \u5757\u5b9a\u4e49\u4e86\u6bcf\u4e2a\u72ec\u7acb\u7684\u8bbe\u5907\u3002<\/p>\n

devices {<\/span>
\n device {<\/span>
\n vendor "COMPAQ "<\/span>
\n product "HSV110 (C)COMPAQ"<\/span>
\n path_grouping_policy multibus
\n path_checker readsector0
\n path_selector "round-robin 0"<\/span>
\n hardware_handler "0"<\/span>
\n failback 15<\/span>
\n rr_weight priorities
\n no_path_retry queue
\n }<\/span>
\n}<\/span><\/p>\n

Blacklist<\/h6>\n

Blacklist \u63d0\u4f9b\u8bbe\u5907\u9ed1\u540d\u5355，\u901a\u8fc7WWID\u548cdevice node\u6307\u5b9a\u8bbe\u5907，\u652f\u6301\u4f7f\u7528\u901a\u914d\u7b26\u3002~~<\/p>\n

blacklist {<\/span>
\n devnode "^vd[a-z]"<\/span>
\n wwid 1234567890abcde
\n}<\/span><\/p>\n

\u67e5\u770b\u78c1\u76d8\u8bbe\u5907WWID\u547d\u4ee4：<\/p>\n

\/usr\/lib\/udev\/scsi_id -g -u \/dev\/sda
\n360014057202ac29e3cd4d24850ed82f3<\/p>\n

blacklist_exceptions<\/h6>\n

blacklist_exceptions {<\/span>
\n device {<\/span>
\n vendor "IBM"<\/span>
\n product "S\/390.*"<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u4f7f\u7528\u8bbe\u5907<\/h5>\n

\u591a\u8def\u5f84\u8bbe\u5907\u540d\u79f0\u4e3a \/dev\/mapper\/mpatha，\u8bc6\u522b\u5230\u8bbe\u5907\u540e\u5c31\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\u3002<\/p>\n

\u793a\u4f8b：\u5212\u5206\u5206\u533a，\u683c\u5f0f\u5316，\u6302\u8f7d<\/p>\n

[<\/span>root@client ~ 21<\/span>:09:06]<\/span># parted \/dev\/mapper\/mpatha mklabel gpt<\/span>
\n[<\/span>root@client ~ 21<\/span>:12:25]<\/span># parted \/dev\/mapper\/mpatha unit MiB mkpart webapp 1 <\/span>
\n10241<\/span> <<<<\/span> 'Ignore'<\/span>
\n[<\/span>root@client ~ 21<\/span>:16:45]<\/span># mkfs.xfs \/dev\/mapper\/mpatha1<\/span>
\n[<\/span>root@client ~ 21<\/span>:19:19]<\/span># mount \/dev\/mapper\/mpatha1 \/usr\/share\/nginx\/html<\/span>
\n[<\/span>root@client ~ 21<\/span>:20:43]<\/span># df -h \/usr\/share\/nginx\/html<\/span>
\nFilesystem Size Used Avail Use% Mounted on
\n\/dev\/mapper\/mpatha1 10G 104M 9<\/span>.9G 2<\/span>% \/var\/www\/html<\/p>\n

\u6301\u4e45\u5316\u6302\u8f7d<\/h6>\n

[<\/span>root@client ~ 21<\/span>:23:06]<\/span># vim \/etc\/fstab<\/span>
\n# \u6700\u540e\u589e\u52a0\u4e00\u6761<\/span>
\n\/dev\/mapper\/mpatha1 \/usr\/share\/nginx\/html xfs _netdev 0<\/span> 0<\/span>
\n[<\/span>root@client ~ 21<\/span>:24:31]<\/span># systemctl daemon-reload<\/span>
\n[<\/span>root@client ~ 21<\/span>:26:05]<\/span># umount \/usr\/share\/nginx\/html<\/span>
\n[<\/span>root@client ~ 21<\/span>:27:41]<\/span># mount -a<\/span>
\n[<\/span>root@client ~ 21<\/span>:29:07]<\/span># df -h \/usr\/share\/nginx\/html<\/span>
\nFilesystem Size Used Avail Use% Mounted on
\n\/dev\/mapper\/mpatha1 10G 104M 9<\/span>.9G 2<\/span>% \/var\/www\/html<\/p>\n","protected":false},"excerpt":{"rendered":"

iSCSI \u670d\u52a1\u5668
\niSCSI \u670d\u52a1\u4ecb\u7ecd
\nSCSI（Small Computer System Interface，\u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3），\u4e00\u79cd\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u667a\u80fd\u8bbe\u5907 \u4e4b\u95f4（\u786c\u76d8\u3001\u8f6f\u9a71\u3001\u5149\u9a71\u3001\u6253\u5370\u673a\u3001\u626b\u63cf\u4eea\u7b49）\u8fde\u63a5\u6807\u51c6\u3002
\niSCSI（Internet Small Computer System Interface，Internet \u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3)，\u53c8<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[43,44],"topic":[],"class_list":["post-85085","post","type-post","status-publish","format-standard","hentry","category-server","tag-43","tag-44"],"yoast_head":"\niSCSI \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/85085.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"iSCSI \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"iSCSI \u670d\u52a1\u5668 iSCSI \u670d\u52a1\u4ecb\u7ecd SCSI（Small Computer System Interface，\u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3），\u4e00\u79cd\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u667a\u80fd\u8bbe\u5907 \u4e4b\u95f4（\u786c\u76d8\u3001\u8f6f\u9a71\u3001\u5149\u9a71\u3001\u6253\u5370\u673a\u3001\u626b\u63cf\u4eea\u7b49）\u8fde\u63a5\u6807\u51c6\u3002 iSCSI（Internet Small Computer System Interface，Internet \u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3)，\u53c8\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/85085.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-26T16:16:57+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/85085.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/85085.html\",\"name\":\"iSCSI \u670d\u52a1\u5668 - 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