{"id":45798,"date":"2025-07-30T01:20:54","date_gmt":"2025-07-29T17:20:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/45798.html"},"modified":"2025-07-30T01:20:54","modified_gmt":"2025-07-29T17:20:54","slug":"%e5%b0%8f%e7%99%bd%e7%a7%92%e6%87%82%e7%b3%bb%e5%88%97-%e6%9c%8d%e5%8a%a1%e5%99%a8-%e5%ad%98%e5%82%a8sas%e6%9e%b6%e6%9e%84%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/45798.html","title":{"rendered":"\u5c0f\u767d\u79d2\u61c2\u7cfb\u5217-\u670d\u52a1\u5668\/\u5b58\u50a8SAS\u67b6\u6784\u4ecb\u7ecd"},"content":{"rendered":"<p style=\"margin-left:0;margin-right:0\">\u5199\u5728\u524d\u9762<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u4eca\u5929\u6709\u670b\u53cb\u5728\u6211\u4eec\u7684\u201d\u5b58\u50a8\u6280\u672f\u4ea4\u6d41\u7fa4\u201c\u4e2d\u63a2\u8ba8\u4e00\u4e2aPHY LINK \u7684\u95ee\u9898&#xff0c;\u65e0\u8bba\u662f\u5bf9\u4e8e\u670d\u52a1\u5668\u8fd8\u662f\u5b58\u50a8\u7cfb\u7edf&#xff0c;\u76ee\u524d\u5b58\u50a8\u4e0a\u5f88\u591a\u540e\u7aef\u90fd\u662fSAS\u67b6\u6784&#xff0c;\u8fd9\u51e0\u5e74\u5f00\u59cb\u5f80NVMe\u67b6\u6784\u5728\u8fc7\u5ea6&#xff0c;\u6211\u4eec\u8fd9\u91cc\u8fd8\u662f\u805a\u7126\u4e8eSAS\u7684\u540e\u7aef\u67b6\u6784&#xff0c;\u5bf9\u4e8e\u4e00\u4e2a\u6545\u969c\u63d0\u793a\u6216\u8005\u6545\u969clog&#xff0c;\u8981\u60f3\u5206\u6790\u5224\u65ad\u51fa\u95ee\u9898\u6240\u5728&#xff0c;\u9996\u5148\u6211\u4eec\u8981\u80fd\u7406\u89e3\u62a5\u9519\u7684\u8fd9\u4e9b\u5185\u5bb9\u662f\u4ec0\u4e48&#xff0c;\u90fd\u662f\u4ec0\u4e48\u6982\u5ff5\u3002\u5199\u8fd9\u4e2a\u6587\u7ae0\u7684\u76ee\u7684\u5c31\u662f\u8ba9\u5404\u4f4d\u770b\u5b98\u4e86\u89e3\u5230\u670d\u52a1\u5668\/\u5b58\u50a8\u7684\u540e\u7aefSAS\u5b58\u50a8\u67b6\u6784\u7684\u6982\u5ff5\u3002<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u7801\u5b57\u4e0d\u6613&#xff0c;\u6b22\u8fce\u70b9\u8d5e\u3001\u8f6c\u53d1&#xff0c;\u6dfb\u52a0vx&#xff1a;StorageExpert\u3002\u5982\u679c\u6709\u9700\u8981\u52a0\u5165\u201d\u5b58\u50a8\u6280\u672f\u4ea4\u6d41\u7fa4\u201c&#xff0c;\u4e5f\u53ef\u4ee5\u7533\u8bf7\u52a0\u5165\u3002<\/p>\n<p style=\"margin-left:0;margin-right:0\">1. SAS\u67b6\u6784\u6982\u8ff0<\/p>\n<p style=\"margin-left:0;margin-right:0\">SAS\u662f\u4e00\u79cd\u9ad8\u901f\u3001\u4e32\u884c\u6570\u636e\u4f20\u8f93\u534f\u8bae&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f01\u4e1a\u7ea7\u5b58\u50a8\u7cfb\u7edf\u4e2d&#xff0c;\u7528\u4e8e\u8fde\u63a5\u4e3b\u673a&#xff08;\u670d\u52a1\u5668&#xff09;\u4e0e\u5b58\u50a8\u8bbe\u5907&#xff08;\u5982\u786c\u76d8\u6216SSD&#xff09;\u3002\u5b83\u901a\u8fc7\u70b9\u5bf9\u70b9\u7684\u8fde\u63a5\u65b9\u5f0f&#xff0c;\u63d0\u4f9b\u4e86\u9ad8\u5e26\u5bbd\u3001\u9ad8\u53ef\u9760\u6027\u4ee5\u53ca\u826f\u597d\u7684\u6269\u5c55\u6027\u3002\u4ee5\u4e0b\u662f\u6d89\u53ca\u7684\u5173\u952e\u7ec4\u4ef6&#xff1a;<\/p>\n<ul>\n<li>SAS\u63a7\u5236\u5668&#xff1a;\u8d1f\u8d23\u4e3b\u673a\u4e0eSAS\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1&#xff0c;\u7ba1\u7406\u6570\u636e\u4f20\u8f93\u3002<\/li>\n<li>Expander&#xff1a;\u7528\u4e8e\u6269\u5c55SAS\u8fde\u63a5&#xff0c;\u589e\u52a0\u53ef\u8fde\u63a5\u7684\u8bbe\u5907\u6570\u91cf\u3002<\/li>\n<li>PHY&#xff1a;\u7269\u7406\u5c42\u63a5\u53e3&#xff0c;\u8d1f\u8d23\u5b9e\u9645\u7684\u4fe1\u53f7\u4f20\u8f93\u3002<\/li>\n<li>\u78c1\u76d8&#xff1a;\u5b58\u50a8\u6570\u636e\u7684\u8bbe\u5907&#xff0c;\u901a\u5e38\u662fSAS\u6216SATA\u786c\u76d8\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u8fd9\u4e9b\u7ec4\u4ef6\u5171\u540c\u6784\u6210\u4e86SAS\u57df&#xff08;SAS Domain&#xff09;&#xff0c;\u5728SAS\u57df\u4e2d&#xff0c;\u6570\u636e\u901a\u8fc7\u70b9\u5bf9\u70b9\u7684\u94fe\u8def\u5728\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u3002<\/p>\n<p style=\"margin-left:0;margin-right:0\">2. SAS\u63a7\u5236\u5668&#xff08;Controller&#xff09;<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u5b9a\u4e49\u4e0e\u529f\u80fd<\/p>\n<p style=\"margin-left:0;margin-right:0\">SAS\u63a7\u5236\u5668&#xff08;\u4e5f\u79f0\u4e3aRAID\u63a7\u5236\u5668&#xff09;\u662f\u8fde\u63a5\u4e3b\u673a\u4e0e\u5b58\u50a8\u8bbe\u5907\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002\u5b83\u662f\u4e3b\u673a\u7aef\u7684\u4e00\u4e2a\u786c\u4ef6\u6a21\u5757&#xff0c;\u901a\u5e38\u4ee5PCIe\u5361\u7684\u5f62\u5f0f\u63d2\u5165\u670d\u52a1\u5668\u4e3b\u677f\u3002SAS\u63a7\u5236\u5668\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u534f\u8bae\u5904\u7406&#xff1a;\u5b9e\u73b0SAS\u534f\u8bae\u6808&#xff0c;\u5904\u7406\u4e3b\u673a\u4e0e\u5b58\u50a8\u8bbe\u5907\u4e4b\u95f4\u7684\u547d\u4ee4&#xff08;\u5982SCSI\u547d\u4ee4&#xff09;\u3002<\/li>\n<li>\u6570\u636e\u4f20\u8f93\u7ba1\u7406&#xff1a;\u7ba1\u7406\u6570\u636e\u6d41&#xff0c;\u786e\u4fdd\u6570\u636e\u5728\u4e3b\u673a\u4e0e\u78c1\u76d8\u4e4b\u95f4\u9ad8\u6548\u3001\u53ef\u9760\u5730\u4f20\u8f93\u3002<\/li>\n<li>\u8bbe\u5907\u7ba1\u7406&#xff1a;\u53d1\u73b0\u548c\u7ba1\u7406\u8fde\u63a5\u5230\u63a7\u5236\u5668\u7684\u6240\u6709SAS\u8bbe\u5907&#xff08;\u5305\u62ecExpander\u548c\u78c1\u76d8&#xff09;\u3002<\/li>\n<li>\u9519\u8bef\u5904\u7406&#xff1a;\u68c0\u6d4b\u5e76\u7ea0\u6b63\u4f20\u8f93\u4e2d\u7684\u9519\u8bef&#xff08;\u5982CRC\u6821\u9a8c&#xff09;\u3002<\/li>\n<li>\u5982\u679c\u662fRAID\u63a7\u5236\u5668&#xff0c;\u8fd8\u652f\u6301RAID\u529f\u80fd&#xff08;\u5982RAID 0\u30011\u30015\u7b49&#xff09;\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u5173\u952e\u7279\u6027<\/p>\n<ul>\n<li>\u7aef\u53e3\u6570\u91cf&#xff1a;\u6bcf\u4e2aSAS\u63a7\u5236\u5668\u6709\u591a\u4e2aSAS\u7aef\u53e3&#xff08;Port&#xff09;&#xff0c;\u6bcf\u4e2a\u7aef\u53e3\u5305\u542b\u82e5\u5e72PHY&#xff08;\u901a\u5e384\u4e2aPHY\u7ec4\u6210\u4e00\u4e2a\u5bbd\u7aef\u53e3&#xff0c;\u79f0\u4e3aWide Port&#xff09;\u3002<\/li>\n<li>\u5e26\u5bbd&#xff1a;\u73b0\u4ee3SAS\u63a7\u5236\u5668\u652f\u6301SAS-3&#xff08;12Gbps&#xff09;\u6216SAS-4&#xff08;24Gbps&#xff09;\u901f\u7387\u3002<\/li>\n<li>\u8fde\u63a5\u80fd\u529b&#xff1a;\u76f4\u63a5\u8fde\u63a5\u82e5\u5e72\u78c1\u76d8&#xff0c;\u6216\u901a\u8fc7Expander\u6269\u5c55\u5230\u6570\u767e\u4e2a\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u4e0e\u5176\u4ed6\u7ec4\u4ef6\u7684\u5173\u7cfb<\/p>\n<ul>\n<li>\u4e0e\u4e3b\u673a&#xff1a;\u901a\u8fc7PCIe\u63a5\u53e3\u4e0e\u670d\u52a1\u5668\u901a\u4fe1&#xff0c;\u63a5\u6536\u4e3b\u673a\u53d1\u51fa\u7684I\/O\u8bf7\u6c42\u3002<\/li>\n<li>\u4e0eExpander&#xff1a;\u901a\u8fc7SAS\u7aef\u53e3\u8fde\u63a5Expander&#xff0c;\u6269\u5c55\u8bbe\u5907\u6570\u91cf\u3002<\/li>\n<li>\u4e0e\u78c1\u76d8&#xff1a;\u76f4\u63a5\u6216\u901a\u8fc7Expander\u8fde\u63a5\u78c1\u76d8&#xff0c;\u53d1\u9001SCSI\u547d\u4ee4\u5e76\u4f20\u8f93\u6570\u636e\u3002<\/li>\n<li>\u4e0ePHY&#xff1a;SAS\u63a7\u5236\u5668\u5185\u90e8\u7684PHY\u662f\u4fe1\u53f7\u4f20\u8f93\u7684\u7269\u7406\u63a5\u53e3&#xff0c;\u8d1f\u8d23\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u7269\u7406\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\n<p style=\"margin-left:0;margin-right:0\">3. Expander<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u5b9a\u4e49\u4e0e\u529f\u80fd<\/p>\n<p style=\"margin-left:0;margin-right:0\">SAS Expander&#xff08;\u6269\u5c55\u5668&#xff09;\u662f\u4e00\u4e2a\u7528\u4e8e\u6269\u5c55SAS\u57df\u7684\u8bbe\u5907&#xff0c;\u7c7b\u4f3c\u4e8e\u7f51\u7edc\u4ea4\u6362\u673a\u3002\u5b83\u5141\u8bb8\u5355\u4e2aSAS\u63a7\u5236\u5668\u8fde\u63a5\u66f4\u591a\u7684\u5b58\u50a8\u8bbe\u5907&#xff08;\u5982\u78c1\u76d8&#xff09;\u3002Expander\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u7aef\u53e3\u6269\u5c55&#xff1a;\u63d0\u4f9b\u989d\u5916\u7684SAS\u7aef\u53e3&#xff0c;\u589e\u52a0\u53ef\u8fde\u63a5\u7684\u8bbe\u5907\u6570\u91cf\u3002<\/li>\n<li>\u8def\u7531\u529f\u80fd&#xff1a;\u5728SAS\u57df\u4e2d&#xff0c;\u6839\u636e\u76ee\u6807\u8bbe\u5907\u7684SAS\u5730\u5740&#xff08;SAS Address&#xff09;\u8def\u7531\u6570\u636e\u5305\u3002<\/li>\n<li>\u94fe\u8def\u805a\u5408&#xff1a;\u652f\u6301\u5bbd\u7aef\u53e3&#xff08;Wide Port&#xff09;&#xff0c;\u5c06\u591a\u4e2aPHY\u7ec4\u5408\u4ee5\u63d0\u9ad8\u5e26\u5bbd\u3002<\/li>\n<li>\u8bbe\u5907\u53d1\u73b0&#xff1a;\u534f\u52a9\u63a7\u5236\u5668\u53d1\u73b0\u548c\u914d\u7f6eSAS\u57df\u4e2d\u7684\u6240\u6709\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u5173\u952e\u7279\u6027<\/p>\n<ul>\n<li>\u7aef\u53e3\u6570\u91cf&#xff1a;\u4e00\u4e2aExpander\u901a\u5e38\u670912\u523036\u4e2a\u7aef\u53e3&#xff08;\u751a\u81f3\u66f4\u591a&#xff09;&#xff0c;\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u78c1\u76d8\u6216\u5176\u4ed6Expander\u3002<\/li>\n<li>\u7ea7\u8054\u652f\u6301&#xff1a;\u591a\u4e2aExpander\u53ef\u4ee5\u7ea7\u8054&#xff0c;\u8fdb\u4e00\u6b65\u6269\u5c55SAS\u57df\u3002<\/li>\n<li>\u534f\u8bae\u652f\u6301&#xff1a;\u652f\u6301SAS\u548cSATA\u8bbe\u5907&#xff08;\u901a\u8fc7SATA Tunneling Protocol&#xff0c;STP&#xff09;\u3002<\/li>\n<li>\u65e0\u72b6\u6001\u8def\u7531&#xff1a;Expander\u4e0d\u5b58\u50a8\u6570\u636e&#xff0c;\u4ec5\u8d1f\u8d23\u8f6c\u53d1\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u4e0e\u5176\u4ed6\u7ec4\u4ef6\u7684\u5173\u7cfb<\/p>\n<ul>\n<li>\u4e0eSAS\u63a7\u5236\u5668&#xff1a;\u901a\u8fc7SAS\u7535\u7f06\u8fde\u63a5\u5230\u63a7\u5236\u5668\u7684\u7aef\u53e3&#xff0c;\u63a5\u6536\u63a7\u5236\u5668\u7684\u547d\u4ee4\u5e76\u8f6c\u53d1\u5230\u76ee\u6807\u8bbe\u5907\u3002<\/li>\n<li>\u4e0e\u78c1\u76d8&#xff1a;\u76f4\u63a5\u8fde\u63a5\u78c1\u76d8&#xff0c;\u5c06\u63a7\u5236\u5668\u7684\u547d\u4ee4\u4f20\u9012\u5230\u78c1\u76d8&#xff0c;\u6216\u5c06\u78c1\u76d8\u7684\u6570\u636e\u8fd4\u56de\u7ed9\u63a7\u5236\u5668\u3002<\/li>\n<li>\u4e0ePHY&#xff1a;Expander\u5185\u90e8\u4e5f\u6709\u591a\u4e2aPHY&#xff0c;\u6bcf\u4e2aPHY\u5bf9\u5e94\u4e00\u4e2a\u7269\u7406\u94fe\u8def&#xff0c;\u7528\u4e8e\u4e0e\u63a7\u5236\u5668\u3001\u78c1\u76d8\u6216\u5176\u4ed6Expander\u901a\u4fe1\u3002<\/li>\n<li>\u4e0e\u5176\u4ed6Expander&#xff1a;\u901a\u8fc7\u7ea7\u8054\u8fde\u63a5&#xff0c;\u6784\u5efa\u66f4\u5927\u7684SAS\u57df\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u8fd9\u4e2a\u4e1c\u4e1c\u5728\u5b58\u50a8\u7cfb\u7edf\u4e0a\u5c31\u662f\u6269\u5c55\u67dcDAE\/shelf\u4e0a\u7684LCC\u5361&#xff0c;\u4e5f\u53eb\u505aIOM\u5361\u7b49\u3002\u8fd9\u4e9b\u5c31\u662fexpander\u3002<\/p>\n<p style=\"margin-left:0;margin-right:0\">4. PHY<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u5b9a\u4e49\u4e0e\u529f\u80fd<\/p>\n<p style=\"margin-left:0;margin-right:0\">PHY&#xff08;Physical Layer&#xff0c;\u7269\u7406\u5c42&#xff09;\u662fSAS\u67b6\u6784\u4e2d\u6700\u5e95\u5c42\u7684\u7ec4\u4ef6&#xff0c;\u8d1f\u8d23\u5b9e\u9645\u7684\u4fe1\u53f7\u4f20\u8f93\u3002\u6bcf\u4e2aPHY\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u7269\u7406\u94fe\u8def&#xff0c;\u5904\u7406\u7535\u4fe1\u53f7\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002PHY\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u4fe1\u53f7\u4f20\u8f93&#xff1a;\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3a\u7535\u4fe1\u53f7&#xff08;\u6216\u53cd\u4e4b&#xff09;&#xff0c;\u901a\u8fc7SAS\u7535\u7f06\u4f20\u8f93\u6570\u636e\u3002<\/li>\n<li>\u94fe\u8def\u7ba1\u7406&#xff1a;\u7ba1\u7406\u94fe\u8def\u7684\u521d\u59cb\u5316\u3001\u901f\u5ea6\u534f\u5546\u548c\u9519\u8bef\u68c0\u6d4b\u3002<\/li>\n<li>\u534f\u8bae\u652f\u6301&#xff1a;\u652f\u6301SAS\u6216SATA\u534f\u8bae\u7684\u7269\u7406\u5c42\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u5173\u952e\u7279\u6027<\/p>\n<ul>\n<li>\u901f\u7387&#xff1a;\u5355\u4e2aPHY\u652f\u6301\u7684\u901f\u7387\u53d6\u51b3\u4e8eSAS\u7248\u672c&#xff08;\u5982SAS-3\u4e3a12Gbps&#xff0c;SAS-4\u4e3a24Gbps&#xff09;\u3002<\/li>\n<li>\u5bbd\u7aef\u53e3&#xff1a;\u591a\u4e2aPHY\u53ef\u4ee5\u7ec4\u5408\u6210\u4e00\u4e2a\u5bbd\u7aef\u53e3&#xff08;Wide Port&#xff09;&#xff0c;\u63d0\u9ad8\u5e26\u5bbd\u3002\u4f8b\u5982&#xff0c;4\u4e2a12Gbps\u7684PHY\u7ec4\u6210\u4e00\u4e2a\u5bbd\u7aef\u53e3&#xff0c;\u53ef\u63d0\u4f9b48Gbps\u7684\u5e26\u5bbd\u3002<\/li>\n<li>\u70b9\u5bf9\u70b9\u8fde\u63a5&#xff1a;\u6bcf\u4e2aPHY\u8fde\u63a5\u5230\u53e6\u4e00\u4e2a\u8bbe\u5907\u7684PHY&#xff0c;\u5f62\u6210\u70b9\u5bf9\u70b9\u7684\u94fe\u8def\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u4e0e\u5176\u4ed6\u7ec4\u4ef6\u7684\u5173\u7cfb<\/p>\n<ul>\n<li>\u4e0eSAS\u63a7\u5236\u5668&#xff1a;\u63a7\u5236\u5668\u5185\u90e8\u7684PHY\u662f\u4e0e\u5916\u90e8\u8bbe\u5907\u901a\u4fe1\u7684\u63a5\u53e3\u3002<\/li>\n<li>\u4e0eExpander&#xff1a;Expander\u7684\u6bcf\u4e2a\u7aef\u53e3\u7531\u4e00\u4e2a\u6216\u591a\u4e2aPHY\u7ec4\u6210&#xff0c;\u7528\u4e8e\u8fde\u63a5\u63a7\u5236\u5668\u3001\u78c1\u76d8\u6216\u5176\u4ed6Expander\u3002<\/li>\n<li>\u4e0e\u78c1\u76d8&#xff1a;\u78c1\u76d8\u7684SAS\u63a5\u53e3\u4e5f\u6709PHY&#xff0c;\u7528\u4e8e\u4e0e\u63a7\u5236\u5668\u6216Expander\u7684PHY\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\n<p style=\"margin-left:0;margin-right:0\">5. \u78c1\u76d8&#xff08;Disk&#xff09;<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u5b9a\u4e49\u4e0e\u529f\u80fd<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u78c1\u76d8\u662f\u5b58\u50a8\u6570\u636e\u7684\u6700\u7ec8\u8bbe\u5907&#xff0c;\u901a\u5e38\u662fSAS\u786c\u76d8\u6216SATA\u786c\u76d8&#xff08;\u5728SAS\u7cfb\u7edf\u4e2d&#xff0c;SATA\u786c\u76d8\u53ef\u4ee5\u901a\u8fc7STP\u534f\u8bae\u517c\u5bb9&#xff09;\u3002\u78c1\u76d8\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u5b58\u50a8&#xff1a;\u5b58\u50a8\u4e3b\u673a\u53d1\u9001\u7684\u6570\u636e\u3002<\/li>\n<li>\u547d\u4ee4\u5904\u7406&#xff1a;\u63a5\u6536\u5e76\u6267\u884cSCSI\u547d\u4ee4&#xff08;\u5982\u8bfb\u3001\u5199&#xff09;\u3002<\/li>\n<li>\u6570\u636e\u4f20\u8f93&#xff1a;\u901a\u8fc7SAS\u63a5\u53e3\u4e0e\u63a7\u5236\u5668\u6216Expander\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u5173\u952e\u7279\u6027<\/p>\n<ul>\n<li>\u63a5\u53e3\u7c7b\u578b&#xff1a;SAS\u78c1\u76d8\u652f\u6301\u53cc\u7aef\u53e3&#xff08;Dual Port&#xff09;&#xff0c;\u63d0\u9ad8\u53ef\u9760\u6027\u548c\u6027\u80fd&#xff1b;SATA\u78c1\u76d8\u901a\u5e38\u4e3a\u5355\u7aef\u53e3\u3002<\/li>\n<li>\u901f\u7387&#xff1a;\u4e0eSAS\u63a7\u5236\u5668\u548cExpander\u7684\u901f\u7387\u5339\u914d&#xff08;\u598212Gbps\u621624Gbps&#xff09;\u3002<\/li>\n<li>SAS\u5730\u5740&#xff1a;\u6bcf\u4e2a\u78c1\u76d8\u6709\u552f\u4e00\u7684SAS\u5730\u5740&#xff0c;\u7528\u4e8e\u5728SAS\u57df\u4e2d\u6807\u8bc6\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u4e0e\u5176\u4ed6\u7ec4\u4ef6\u7684\u5173\u7cfb<\/p>\n<ul>\n<li>\u4e0eSAS\u63a7\u5236\u5668&#xff1a;\u76f4\u63a5\u6216\u901a\u8fc7Expander\u63a5\u6536\u63a7\u5236\u5668\u7684\u547d\u4ee4&#xff0c;\u6267\u884c\u8bfb\u5199\u64cd\u4f5c\u3002<\/li>\n<li>\u4e0eExpander&#xff1a;\u901a\u8fc7Expander\u8fde\u63a5\u5230\u63a7\u5236\u5668&#xff0c;Expander\u8d1f\u8d23\u8def\u7531\u6570\u636e\u3002<\/li>\n<li>\u4e0ePHY&#xff1a;\u78c1\u76d8\u7684SAS\u63a5\u53e3\u5305\u542bPHY&#xff0c;\u4e0e\u63a7\u5236\u5668\u6216Expander\u7684PHY\u5f62\u6210\u70b9\u5bf9\u70b9\u94fe\u8def\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\n<p style=\"margin-left:0;margin-right:0\">6. \u5404\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\u4e0e\u5de5\u4f5c\u6d41\u7a0b<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u4e3a\u4e86\u66f4\u6e05\u6670\u5730\u7406\u89e3\u8fd9\u4e9b\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb&#xff0c;\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5178\u578b\u7684\u5de5\u4f5c\u6d41\u7a0b\u6765\u5206\u6790&#xff1a;<\/p>\n<li>\u4e3b\u673a\u53d1\u8d77I\/O\u8bf7\u6c42&#xff1a;\n<ul>\n<li>\u4e3b\u673a\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u53d1\u9001\u8bfb\u5199\u8bf7\u6c42\u5230SAS\u63a7\u5236\u5668\u3002<\/li>\n<li>\u63a7\u5236\u5668\u5c06\u8bf7\u6c42\u8f6c\u6362\u4e3aSCSI\u547d\u4ee4&#xff0c;\u5c01\u88c5\u6210SAS\u534f\u8bae\u7684\u6570\u636e\u5305\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u63a7\u5236\u5668\u4e0eExpander\u901a\u4fe1&#xff1a;\n<ul>\n<li>\u5982\u679c\u78c1\u76d8\u76f4\u63a5\u8fde\u63a5\u5230\u63a7\u5236\u5668&#xff0c;\u63a7\u5236\u5668\u901a\u8fc7\u5176PHY\u5c06\u6570\u636e\u5305\u53d1\u9001\u5230\u78c1\u76d8\u3002<\/li>\n<li>\u5982\u679c\u4f7f\u7528\u4e86Expander&#xff0c;\u63a7\u5236\u5668\u901a\u8fc7\u5176\u7aef\u53e3&#xff08;\u7531\u591a\u4e2aPHY\u7ec4\u6210&#xff09;\u5c06\u6570\u636e\u5305\u53d1\u9001\u5230Expander\u3002<\/li>\n<li>Expander\u6839\u636e\u76ee\u6807\u78c1\u76d8\u7684SAS\u5730\u5740&#xff0c;\u8def\u7531\u6570\u636e\u5305\u5230\u6b63\u786e\u7684\u7aef\u53e3&#xff08;\u901a\u8fc7\u5176\u5185\u90e8\u7684PHY&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Expander\u4e0e\u78c1\u76d8\u901a\u4fe1&#xff1a;\n<ul>\n<li>Expander\u7684PHY\u4e0e\u76ee\u6807\u78c1\u76d8\u7684PHY\u5efa\u7acb\u70b9\u5bf9\u70b9\u94fe\u8def\u3002<\/li>\n<li>\u6570\u636e\u5305\u901a\u8fc7\u94fe\u8def\u4f20\u8f93\u5230\u78c1\u76d8&#xff0c;\u78c1\u76d8\u6267\u884c\u8bfb\u5199\u64cd\u4f5c&#xff0c;\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u8fd4\u56de\u4e3b\u673a&#xff1a;\n<ul>\n<li>\u78c1\u76d8\u901a\u8fc7\u76f8\u540c\u7684\u94fe\u8def&#xff08;\u78c1\u76d8 \u2192 Expander \u2192 \u63a7\u5236\u5668&#xff09;\u5c06\u6570\u636e\u6216\u72b6\u6001\u8fd4\u56de\u7ed9\u63a7\u5236\u5668\u3002<\/li>\n<li>\u63a7\u5236\u5668\u901a\u8fc7PCIe\u63a5\u53e3\u5c06\u6570\u636e\u8fd4\u56de\u7ed9\u4e3b\u673a\u3002<\/li>\n<\/ul>\n<\/li>\n<p style=\"margin-left:0;margin-right:0\">\n<p style=\"margin-left:0;margin-right:0\">7. \u5b9e\u9645\u573a\u666f\u4e2d\u7684\u62d3\u6251\u793a\u4f8b<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5178\u578b\u7684SAS\u5b58\u50a8\u7cfb\u7edf\u62d3\u6251&#xff1a;<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u4e3b\u673a<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u00a0 \u2193 (PCIe)<\/p>\n<p style=\"margin-left:0;margin-right:0\">SAS\u63a7\u5236\u5668 (4\u4e2a\u7aef\u53e3&#xff0c;\u6bcf\u4e2a\u7aef\u53e34\u4e2aPHY)<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u00a0 \u2193 (SAS\u7535\u7f06)<\/p>\n<p style=\"margin-left:0;margin-right:0\">Expander (36\u4e2a\u7aef\u53e3)<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u00a0 \u2193 (\u591a\u4e2aSAS\u7535\u7f06)<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u78c1\u76d81 \u78c1\u76d82 \u78c1\u76d83 &#8230; \u78c1\u76d8N<\/p>\n<ul>\n<li>\u63a7\u5236\u5668&#xff1a;\u901a\u8fc74\u4e2a\u5bbd\u7aef\u53e3\u8fde\u63a5\u5230Expander&#xff0c;\u6bcf\u4e2a\u5bbd\u7aef\u53e3\u63d0\u4f9b48Gbps\u5e26\u5bbd&#xff08;\u5047\u8bbeSAS-3&#xff0c;12Gbps\/PHY&#xff09;\u3002<\/li>\n<li>Expander&#xff1a;\u5c06\u63a7\u5236\u5668\u7684\u7aef\u53e3\u6269\u5c55\u523036\u4e2a\u7aef\u53e3&#xff0c;\u5176\u4e2d\u90e8\u5206\u7aef\u53e3\u8fde\u63a5\u78c1\u76d8&#xff0c;\u90e8\u5206\u7aef\u53e3\u53ef\u8fde\u63a5\u5176\u4ed6Expander\u3002<\/li>\n<li>PHY&#xff1a;\u63a7\u5236\u5668\u3001Expander\u548c\u78c1\u76d8\u4e4b\u95f4\u7684\u6bcf\u6761\u94fe\u8def\u7531PHY\u652f\u6301&#xff0c;\u786e\u4fdd\u9ad8\u901f\u3001\u53ef\u9760\u7684\u4fe1\u53f7\u4f20\u8f93\u3002<\/li>\n<li>\u78c1\u76d8&#xff1a;\u901a\u8fc7Expander\u63a5\u6536\u547d\u4ee4&#xff0c;\u6267\u884c\u5b58\u50a8\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\n<p style=\"margin-left:0;margin-right:0\">8. \u5e38\u89c1\u95ee\u9898\u4e0e\u6ce8\u610f\u4e8b\u9879<\/p>\n<li>SAS\u4e0eSATA\u517c\u5bb9\u6027&#xff1a;\n<ul>\n<li>SAS\u63a7\u5236\u5668\u548cExpander\u652f\u6301SATA\u78c1\u76d8&#xff0c;\u4f46SATA\u78c1\u76d8\u7684\u6027\u80fd\u548c\u529f\u80fd&#xff08;\u5982\u5355\u7aef\u53e3&#xff09;\u4f4e\u4e8eSAS\u78c1\u76d8\u3002<\/li>\n<li>\u5728\u6df7\u5408\u73af\u5883\u4e2d&#xff0c;Expander\u901a\u8fc7STP\u534f\u8bae\u5904\u7406SATA\u78c1\u76d8\u7684\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5bbd\u7aef\u53e3\u4e0e\u7a84\u7aef\u53e3&#xff1a;\n<ul>\n<li>\u5bbd\u7aef\u53e3&#xff08;\u591a\u4e2aPHY\u7ec4\u5408&#xff09;\u63d0\u9ad8\u5e26\u5bbd\u548c\u53ef\u9760\u6027&#xff0c;\u9002\u5408\u9ad8\u6027\u80fd\u573a\u666f\u3002<\/li>\n<li>\u7a84\u7aef\u53e3&#xff08;\u5355\u4e2aPHY&#xff09;\u7528\u4e8e\u4f4e\u5e26\u5bbd\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7ea7\u8054\u9650\u5236&#xff1a;\n<ul>\n<li>SAS\u89c4\u8303\u9650\u5236\u4e86Expander\u7684\u7ea7\u8054\u6df1\u5ea6&#xff08;\u901a\u5e38\u4e0d\u8d85\u8fc72-3\u7ea7&#xff09;&#xff0c;\u4ee5\u907f\u514d\u5ef6\u8fdf\u548c\u590d\u6742\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9519\u8bef\u5904\u7406&#xff1a;\n<ul>\n<li>PHY\u8d1f\u8d23\u68c0\u6d4b\u94fe\u8def\u9519\u8bef&#xff08;\u5982\u4fe1\u53f7\u4e22\u5931&#xff09;\u3002<\/li>\n<li>\u63a7\u5236\u5668\u8d1f\u8d23\u9ad8\u7ea7\u9519\u8bef\u5904\u7406&#xff08;\u5982\u91cd\u8bd5\u3001\u6545\u969c\u9694\u79bb&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<p style=\"margin-left:0;margin-right:0\">\n<p style=\"margin-left:0;margin-right:0\">9. \u603b\u7ed3<\/p>\n<ul>\n<li>SAS\u63a7\u5236\u5668\u662f\u7cfb\u7edf\u7684\u6838\u5fc3&#xff0c;\u7ba1\u7406\u4e3b\u673a\u4e0e\u5b58\u50a8\u8bbe\u5907\u7684\u901a\u4fe1\u3002<\/li>\n<li>Expander\u6269\u5c55\u4e86\u8fde\u63a5\u80fd\u529b&#xff0c;\u5141\u8bb8\u8fde\u63a5\u66f4\u591a\u78c1\u76d8\u3002<\/li>\n<li>PHY\u662f\u4fe1\u53f7\u4f20\u8f93\u7684\u57fa\u7840&#xff0c;\u6784\u6210\u4e86\u70b9\u5bf9\u70b9\u7684\u7269\u7406\u94fe\u8def\u3002<\/li>\n<li>\u78c1\u76d8\u662f\u6570\u636e\u7684\u6700\u7ec8\u5b58\u50a8\u4ecb\u8d28&#xff0c;\u6267\u884c\u8bfb\u5199\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0\">\u5199\u5728\u6700\u540e<\/p>\n<p style=\"margin-left:0;margin-right:0\">\u4e86\u89e3\u4e86\u8fd9\u4e9b\u6982\u5ff5&#xff0c;\u5c31\u53ef\u4ee5\u66f4\u597d\u7684\u53bb\u770blog&#xff0c;\u77e5\u9053log\u4e2d\u7684\u62a5\u9519\u662f\u4ec0\u4e48? 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