{"id":967,"date":"2013-10-28T23:01:59","date_gmt":"2013-10-28T15:01:59","guid":{"rendered":"http:\/\/www.eumz.com\/?p=967"},"modified":"2013-10-28T23:01:59","modified_gmt":"2013-10-28T15:01:59","slug":"sas%e4%b8%8esata%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.wxcn.com\/?p=967","title":{"rendered":"SAS\u4e0eSATA\u7684\u533a\u522b"},"content":{"rendered":"

\u5bf9\u4e8eSAS\u548cSATA\u6280\u672f\u6765\u8bf4\uff0c\u5b83\u4eec\u90fd\u9762\u4e34\u7740\u4e00\u4e2a\u76f8\u540c\u7684\u95ee\u9898\u3002\u7531\u4e8e\u91c7\u7528\u5e76\u884c\u603b\u884c\u63a5\u53e3\uff0c\u4f20\u8f93\u6570\u636e\u548c\u4fe1\u53f7\u7684\u603b\u7ebf\u662f\u590d\u7528\u7684\uff0c\u56e0\u6b64\u4f20\u8f93\u901f\u7387\u4f1a\u53d7\u5230\u4e00\u5b9a\u7684\u9650\u5236\u3002\u5982\u679c\u8981\u63d0\u9ad8\u4f20\u8f93\u7684\u901f\u7387\uff0c\u90a3\u4e48\u4f20\u8f93\u7684\u6570\u636e\u548c\u4fe1\u53f7\u5f80\u5f80\u4f1a\u4ea7\u751f\u5e72\u6270\uff0c\u4ece\u800c\u5bfc\u81f4\u9519\u8bef\u3002
\nSAS \u548cSATA\u7684\u8bde\u751f
\n\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4e32\u884c(Serial)\u603b\u884c\u63a5\u53e3\u6280\u672f\u5c31\u5e94\u8fd0\u800c\u751f\u3002\u4e32\u884c\u603b\u7ebf\u63a5\u53e3\u6280\u672f\u5e76\u4e0d\u662f\u5e76\u884c\u6280\u672f\u7684\u6539\u8fdb\uff0c\u800c\u662f\u4e00\u79cd\u5b8c\u5168\u5d2d\u65b0\u7684\u603b\u7ebf\u67b6\u6784\u3002\u540cATA\u548cSCSI\u76f8\u5bf9\u5e94\u7684\u662fSATA(Serial ATA)\u548cSAS(Serial Attached SCSI)\u4e24\u79cd\u6280\u672f\uff0c\u5b83\u4eec\u514b\u670d\u4e86\u539f\u5148\u5e76\u884c\u603b\u7ebf\u63a5\u53e3\u6280\u672f\u4e2d\u7684\u4e0d\u8db3\u3002
\n\u4e32\u884c\u603b\u7ebf\u63a5\u53e3\u4ee5\u5b83\u4e32\u884c\u7684\u6570\u636e\u53d1\u9001\u65b9\u5f0f\u5f97\u540d\u3002\u5728\u6570\u636e\u4f20\u8f93\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u7ebf\u548c\u4fe1\u53f7\u7ebf\u72ec\u7acb\u4f7f\u7528\uff0c\u5e76\u4e14\u4f20\u8f93\u7684\u65f6\u949f\u9891\u7387\u4fdd\u6301\u72ec\u7acb\uff0c\u56e0\u6b64\u540c\u4ee5\u5f80\u7684\u5e76\u884c\u603b\u7ebf\u63a5\u53e3\u6280\u672f\u76f8\u6bd4\uff0c\u4e32\u884c\u603b\u7ebf\u7684\u4f20\u8f93\u901f\u7387\u662f\u5e76\u884c\u768430\u500d\u3002
\nSATA\u7684\u51fa\u73b0\u6269\u5c55\u4e86\u539f\u5148\u7684ATA\u6280\u672f\uff0c\u5e76\u4e14\u4e1a\u754c\u6307\u5b9a\u7b2c\u4e00\u4ee3SATA\u6807\u51c6\u7684\u5cf0\u503c\u4f20\u8f93\u901f\u7387\u53ef\u8fbe1.5G bps\u3002\u968f\u7740SATA\u6807\u51c6\u7684\u4e0d\u65ad\u5b8c\u5584\uff0c\u4f20\u8f93\u7684\u901f\u7387\u4f1a\u4e0d\u65ad\u63d0\u9ad8\u3002\u4e1a\u754c\u4f30\u8ba1\uff0c\u52302004\u5e74\u5e95\uff0cSATA\u786c\u76d8\u57fa\u672c\u4e0a\u4f1a\u53d6\u4ee3\u539f\u5148\u7684ATA\u786c\u76d8\uff0c\u6210\u4e3a\u684c\u9762PC\uff0c\u5165\u95e8\u7ea7\u670d\u52a1\u5668\u548c\u7f51\u7edc\u5b58\u50a8\u7cfb\u7edf\u5e95\u4e3b\u8981\u5b58\u50a8\u4ecb\u8d28\u3002
\nSAS\u6280\u672f\u53ef\u80fd\u8bfb\u8005\u4e0d\u592a\u719f\u6089\uff0c\u5b83\u662f\u5e76\u884cSCSI\u7684\u6539\u8fdb\u6280\u672f\uff0c\u91c7\u7528\u4e86\u4e32\u884c\u7684\u4f20\u8f93\u65b9\u5f0f\u3002SAS\u5e76\u4e0d\u9488\u5bf9\u5f53\u4eca\u7684\u4e3b\u6d41\u5e02\u573a\uff0c\u800c\u662f\u5b9a\u4f4d\u4e8e\u9ad8\u7aef\u7684\u670d\u52a1\u5668\u5e02\u573a\u3002\u5728\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u7aef\u53e3\u53ef\u4ee5\u6700\u591a\u53ef\u4ee5\u8fde\u63a516256\u4e2a\u5916\u90e8\u8bbe\u5907\uff0c\u5e76\u4e14SAS\u91c7\u53d6\u76f4\u63a5\u7684\u70b9\u5230\u70b9\u7684\u4e32\u884c\u4f20\u8f93\u65b9\u5f0f\uff0c\u4f20\u8f93\u7684\u901f\u7387\u9ad8\u8fbe3Gbps\u3002SAS\u7684\u63a5\u53e3\u4e5f\u505a\u4e86\u8f83\u5927\u7684\u6539\u8fdb\uff0c\u5b83\u540c\u65f6\u63d0\u4f9b\u4e863.5\u82f1\u5bf8\u548c2.5\u82f1\u5bf8\u7684\u63a5\u53e3\uff0c\u56e0\u6b64\u80fd\u591f\u9002\u5408\u4e0d\u540c\u670d\u52a1\u5668\u73af\u5883\u7684\u9700\u6c42\u3002
\n\u66f4\u91cd\u8981\u7684\u4e00\u70b9\u662f\uff0cSAS\u63a5\u53e3\u548cSATA\u63a5\u53e3\u5b8c\u5168\u517c\u5bb9\u3002\u8fd9\u4e00\u7279\u6027\u7ed9\u4e86\u6574\u4e2a\u7cfb\u7edf\u66f4\u591a\u7684\u9009\u62e9\u7a7a\u95f4\u548c\u9002\u7528\u8303\u56f4\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u548c\u627f\u53d7\u80fd\u529b\uff0c\u9009\u62e9SAS\u548cSATA\u8fdb\u884c\u7ec4\u5408\u3002
\n\u591a\u5c42\u6b21\u517c\u5bb9
\n\u00b7\u7269\u7406\u5c42
\nSAS\u8fde\u63a5\u63a5\u53e3\u548cSATA\u63a5\u53e3\u5b8c\u5168\u517c\u5bb9\uff0cSATA\u786c\u76d8\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5728SAS\u7684\u73af\u5883\u4e2d\u3002\u4ece\u63a5\u53e3\u6807\u51c6\u4e0a\u800c\u8a00\uff0cSATA\u662fSAS\u7684\u4e00\u4e2a\u5b50\u6807\u51c6\uff0c\u56e0\u6b64SAS\u63a7\u5236\u5668\u53ef\u4ee5\u76f4\u63a5\u64cd\u63a7SATA\u786c\u76d8\u3002\u4f46\u662fSAS\u5374\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\u5728SATA\u7684\u73af\u5883\u4e2d\uff0c\u56e0\u4e3aSATA\u63a7\u5236\u5668\u5e76\u4e0d\u80fd\u5bf9SAS\u786c\u76d8\u8fdb\u884c\u63a7\u5236\u3002
\n\u5728SAS\u548cSATA\u8fd9\u6837\u7684\u5173\u7cfb\u4e0b\uff0c\u4e1a\u754c\u5df2\u7ecf\u7740\u624b\u7814\u7a76\u4e00\u79cd\u57fa\u4e8eSAS\u7684\u901a\u7528\u63a5\u53e3\uff0c\u5728\u8fd9\u79cd\u63a5\u53e3\u4e0b\uff0cSAS\u548cSATA\u53ef\u4ee5\u5b8c\u5168\u517c\u5bb9\u3002
\n\u00b7\u534f\u8bae\u5c42
\nSAS \u75313\u79cd\u7c7b\u578b\u534f\u8bae\u7ec4\u6210\uff0c\u6839\u636e\u8fde\u63a5\u7684\u4e0d\u540c\u8bbe\u5907\u4f7f\u7528\u76f8\u5e94\u7684\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5176\u4e2d\u4e32\u884cSCSI\u534f\u8bae(SSP)\u7528\u4e8e\u4f20\u8f93SCSI\u547d\u4ee4;SCSI\u7ba1\u7406\u534f\u8bae(SMP)\u7528\u4e8e\u5bf9\u8fde\u63a5\u8bbe\u5907\u7684\u7ef4\u62a4\u548c\u7ba1\u7406;SATA\u901a\u9053\u534f\u8bae(STP)\u7528\u4e8eSAS\u548cSATA\u4e4b\u95f4\u6570\u636e\u7684\u4f20\u8f93\u3002\u56e0\u6b64\u5728\u8fd93\u79cd\u534f\u8bae\u7684\u914d\u5408\u4e0b\uff0cSAS\u53ef\u4ee5\u548cSATA\u548c\u90e8\u5206 SCSI\u8bbe\u5907\u65e0\u7f1d\u7ed3\u5408\u3002
\n\u517c\u5bb9\u7684\u4f18\u52bf
\nSAS \u548cSATA\u4e4b\u95f4\u517c\u5bb9\u6027\u7ed9\u666e\u901a\u7528\u6237\uff0c\u7cfb\u7edf\u6784\u5efa\u8005\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u5e26\u6765\u8bf8\u591a\u7684\u597d\u5904\u3002
\n\u5bf9\u4e8e\u7cfb\u7edf\u6784\u5efa\u8005\uff0c\u5728\u4ee5\u5f80ATA\u548cSCSI\u5b58\u50a8\u8bbe\u5907\u7684\u9009\u62e9\u4e0a\u4f1a\u8003\u8651\u518d\u4e09\uff0c\u56e0\u4e3a\u4e0d\u540c\u7684\u9009\u62e9\u7ed3\u679c\uff0c\u4f1a\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u4e0d\u540c\u7684\u67b6\u6784\u3002\u968f\u7740SATA\u548cSAS\u7684\u51fa\u73b0\uff0c\u7cfb\u7edf\u6784\u5efa\u8005\u5c31\u5b8c\u5168\u6ca1\u6709\u8fd9\u4e2a\u95ee\u9898\u3002\u4e24\u8005\u7684\u517c\u5bb9\u7279\u6027\uff0cSATA\u53ef\u4ee5\u65b9\u4fbf\u5347\u7ea7\u5230SAS\u3002\u8fd9\u5927\u5927\u8282\u7701\u4e86\u4ee5\u5f80ATA\u5347\u7ea7\u5230SCSI\u7684\u8d39\u7528\u3002
\n\u5bf9\u4e8e\u7cfb\u7edf\u7ba1\u7406\u5458\uff0cSAS\u548cSATA\u7684\u517c\u5bb9\u6027\u964d\u4f4e\u4e86\u539f\u5148\u7684\u5de5\u4f5c\u91cf\u3002\u4ee5\u5f80\u5728\u5b89\u88c5\u786c\u76d8\u65f6\uff0cATA\u548cSCSI\u7684\u4e0d\u540c\u63a5\u53e3\u6807\u51c6\uff0c\u9700\u8981\u5bf9\u6bcf\u5757ATA\u548cSCSI\u505a\u76f8\u5e94\u7684\u914d\u7f6e;\u800c\u4e14\u4e00\u65e6\u786c\u76d8\u4ece\u7cfb\u7edf\u4e2d\u79fb\u9664\uff0c\u7ba1\u7406\u5458\u4e5f\u8981\u4f5c\u51fa\u76f8\u5e94\u7684\u8c03\u6574\u3002\u800cSAS\u548cSATA\u7531\u4e8e\u63a5\u53e3\u7edf\u4e00\u5e76\u4e14\u517c\u5bb9\uff0c\u7ba1\u7406\u5458\u5e76\u4e0d\u8981\u5bf9\u6bcf\u5757\u786c\u76d8\u505a\u76f8\u5e94\u7684\u914d\u7f6e\u3002
\n\u83b7\u76ca\u6700\u5927\u7684\u4e5f\u8bb8\u662f\u6211\u4eec\u666e\u901a\u7528\u6237\uff0cSAS\u548cSATA\u7684\u517c\u5bb9\u8282\u7701\u4e86\u786c\u76d8\u5347\u7ea7\u7684\u8d39\u7528\uff0c\u5e76\u4e14\u7ed9\u4e86\u7528\u6237\u66f4\u591a\u7684\u9009\u62e9\u4f59\u5730\u3002\u5373\u4f7f\u4eca\u540e\u8fdb\u884c\u5347\u7ea7\uff0c\u53ea\u9700\u8d2d\u4e70SAS\u786c\u76d8\u5373\u53ef\uff0c\u6574\u4e2a\u7cfb\u7edf\u65e0\u9700\u6539\u53d8\u3002
\n\u968f\u7740\u6570\u636e\u4e2d\u5fc3\u5bf9\u4e8e\u5b58\u50a8\u7684\u8981\u6c42\u4e0e\u65e5\u4ff1\u589e\u4ee5\u53ca\u8428\u73ed\u65af-\u5965\u514b\u65af\u5229\u6cd5\u6848 (Sarbanes Oxley) \u4e0e HIPAA \u7b49\u6cd5\u89c4\u7684\u76f8\u7ee7\u51fa\u53f0\uff0c\u6211\u4eec\u5fc5\u987b\u80fd\u591f\u7a33\u5b9a\u53ef\u9760\u5730\u5b9a\u671f\u5907\u4efd\u4e0e\u5b58\u53d6\u5927\u91cf\u5173\u952e\u4e1a\u52a1\u4fe1\u606f\u3002IT \u7ecf\u7406\u4e3a\u5bfb\u6c42\u80fd\u4ee5\u66f4\u4f4e\u6210\u672c\u63d0\u4f9b\u66f4\u9ad8\u5bb9\u91cf\uff0c\u540c\u65f6\u53c8\u4e0d\u727a\u7272\u53ef\u9760\u6027\u6216\u6570\u636e\u53ef\u7528\u6027\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u800c\u5bdd\u98df\u96be\u5b89\u3002
\n\u4e3a\u4e86\u6ee1\u8db3\u4e0a\u8ff0\u8981\u6c42\uff0c\u8fd1\u7ebf\u4f01\u4e1a\u78c1\u76d8\u9635\u5217\u7cfb\u7edf\u5e94\u8fd0\u800c\u751f\uff0c\u5176\u5728\u9635\u5217\u524d\u7aef\u4e0a\u4fdd\u6301\u4e86\u5149\u7ea4\u901a\u9053 (FC) \u57fa\u7840\u5c40\u7aef\u4ee5\u9002\u5e94\u73b0\u6709SAN\uff0c\u540c\u65f6\u91c7\u7528\u4e32\u884c\u8fde\u63a5 SCSI (SAS) \u4e0e\u4e32\u884c ATA (SATA) \u9a71\u52a8\u7684\u6df7\u5408\u8bbe\u8ba1\u800c\u6448\u5f03\u4e86\u66f4\u6602\u8d35\u7684 FC \u9a71\u52a8\u5668\u3002\u8fd9\u79cd\u6df7\u5408\u6280\u672f\u7cfb\u7edf\u4e0d\u4ec5\u80fd\u591f\u964d\u4f4e\u6210\u672c\uff0c\u540c\u65f6\u8fd8\u786e\u4fdd\u4e86 FC \u5b58\u50a8\u7cfb\u7edf\u5b9e\u73b0\u7684\u53ef\u7528\u6027\u3001\u53ef\u7ba1\u7406\u6027\u3001\u6570\u636e\u5b8c\u6574\u6027\u4e0e\u529f\u80fd\u6027\u4e0d\u53d7\u5f71\u54cd\u3002\u57fa\u4e8e SATA \u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u80fd\u591f\u7406\u60f3\u5730\u6ee1\u8db3 \u201c\u8f85\u52a9\u5b58\u50a8\u201d\u7684\u7279\u5b9a\u5de5\u4f5c\u8d1f\u8377\u3001\u5bb9\u91cf\u4ee5\u53ca\u6210\u672c\u8981\u6c42\uff0c\u800c\u57fa\u4e8e SAS \u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u5219\u80fd\u63d0\u4f9b\u4e0e\u5f53\u524dFC\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u4e0d\u76f8\u4e0a\u4e0b\u7684\u9ad8\u6027\u80fd\u4e0e\u9ad8\u53ef\u9760\u6027\u3002
\nSAS \u7684\u4f18\u52bf
\nSAS \u4e0e\u5e76\u884c SCSI \u53ca FC \u76f8\u6bd4\u5177\u6709\u8bf8\u591a\u4f18\u52bf\u3002SAS \u80fd\u591f\u6ee1\u8db3\u4e8b\u52a1\u5904\u7406\u5e94\u7528\u5bf9\u4e8e\u9ad8\u9891\u7387\u3001\u5373\u65f6\u968f\u673a\u6570\u636e\u5b58\u53d6\u7684\u8981\u6c42\uff0c\u800c\u8fd9\u4ee5\u524d\u901a\u5e38\u662f\u7531 FC \u6765\u5b9e\u73b0\u7684\u3002SAS \u8fd8\u5c06\u5e76\u884c SCSI \u4e1a\u7ecf\u9a8c\u8bc1\u7684\u53ef\u9760\u6027\u53ca\u529f\u80fd\u6027\u4e0e\u4e32\u884c\u6280\u672f\u7684\u6027\u80fd\u53ca\u8bbe\u8ba1\u4f18\u52bf\u878d\u4e3a\u4e00\u4f53\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6027\u80fd\u3001\u9ad8\u7075\u6d3b\u6027\u3001\u53ef\u6269\u5c55\u6027\u3001\u53ef\u9760\u6027\u4ee5\u53ca\u53ef\u7528\u6027\u3002\u53e6\u5916\uff0cSAS \u6700\u5927\u7684\u4f18\u52bf\u6216\u8bb8\u5728\u4e8e\u5176\u80cc\u677f\u8bbe\u8ba1\u548c\u534f\u8bae\u63a5\u53e3\u5141\u8bb8\u5728\u540c\u4e00\u7cfb\u7edf\u4e2d\u91c7\u7528 SAS \u4e0eSATA \u4e24\u79cd\u9a71\u52a8\u5668\u3002\u80fd\u591f\u6df7\u5408\u548c\u5339\u914d\u76f8\u5173\u5e94\u7528\u6240\u9700\u8981\u7684\u4e0d\u540c\u9a71\u52a8\u5668\u7c7b\u578b\u65e0\u8bba\u5bf9\u96c6\u6210\u5546\u8fd8\u662f\u7528\u6237\u6765\u8bf4\u90fd\u662f\u4e00\u79cd\u4f18\u52bf\u3002
\nSAS \u4e0e SATA \u7684\u517c\u5bb9\u80fd\u529b\u8fd8\u5141\u8bb8\u7cfb\u7edf\u96c6\u6210\u5546\u4f7f\u7528\u901a\u7528\u8fde\u63a5\u5668\u53ca\u7ebf\u7f06\u6765\u8bbe\u8ba1\u6df7\u5408\u5b58\u50a8\u7cfb\u7edf\u3002SAS \u5411\u4e0b\u517c\u5bb9\u524d\u4ee3 SCSI \u8f6f\u4ef6\u53ca\u4e2d\u95f4\u4ef6\u7684\u80fd\u529b\u540c\u6837\u4f7f\u5176\u53ef\u8f7b\u677e\u5c06\u539f\u6709\u7ec4\u4ef6\u3001\u4e3b\u673a\u4ee5\u53ca\u9a71\u52a8\u5668\u878d\u5408\u5230\u65b0\u7684 SAS \u62d3\u6251\u4e2d\uff0c\u65e0\u9700\u542f\u52a8\u65b0\u7684\u57f9\u8bad\uff0c\u82b1\u8d39\u96c6\u6210\u6210\u672c\uff0c\u6216\u5bf9\u539f\u6709\u8f6f\u4ef6\u8fdb\u884c\u4fee\u6b63\u3002
\nSAS \u8fd8\u4e3a\u7269\u7406\u8bbe\u5907\u63d0\u4f9b\u4e86\u5927\u5730\u5740\u8303\u56f4\u3001\u91c7\u7528\u5c0f\u8fde\u63a5\u5668\u7684\u957f\u8ddd\u79bb\u7535\u7f06\u4ee5\u53ca\u4e0e\u5916\u90e8\u5b58\u50a8\u7cfb\u7edf\u7684\u8fde\u63a5\u6027\u3002SAS \u6269\u5c55\u5668\u786c\u4ef6\u7684\u529f\u80fd\u5c31\u50cf\u4e00\u53f0\u7528\u6765\u7b80\u5316\u5927\u578b\u5916\u90e8\u5b58\u50a8\u7cfb\u7edf\u7684\u4ea4\u6362\u673a\u3002\u8be5\u7cfb\u7edf\u80fd\u591f\u4ee5\u6700\u5c0f\u65f6\u5ef6\u8f7b\u677e\u5f97\u5230\u6269\u5c55\uff0c\u800c\u5c06\u5e26\u5bbd\u7559\u7ed9\u589e\u5927\u7684\u5de5\u4f5c\u8d1f\u8f7d\u3002\u6269\u5c55\u5668\u80fd\u591f\u5b9e\u73b0\u4e86\u9ad8\u5ea6\u7075\u6d3b\u7684\u5b58\u50a8\u62d3\u6251\uff0c\u6700\u591a\u53ef\u6df7\u63a5 16256 \u4e2a SAS\/SATA \u9a71\u52a8\u5668\u3002
\n\u5bf9\u53cc\u7aef\u53e3\u78c1\u76d8\u9a71\u52a8\u5668\u7684\u9700\u6c42
\nSAS \u652f\u6301\u4f17\u591a\u914d\u7f6e\uff0c\u4ece\u800c\u53ef\u4e3a\u591a\u4e3b\u673a\u548c\/\u6216\u4e3b\u673a\u603b\u7ebf\u9002\u914d\u5668\u63d0\u4f9b\u78c1\u76d8\u9a71\u52a8\u5668\u5b58\u53d6\uff0c\u5e76\u5728\u7cfb\u7edf\u6545\u969c\u60c5\u51b5\u4e0b\u53ef\u786e\u4fdd\u6301\u7eed\u78c1\u76d8\u5b58\u53d6\u3002\u501f\u52a9 SAS\uff0c\u53cc\u7aef\u53e3\u5668\u4ef6\u53ef\u7528\u4e8e\u521b\u5efa\u4e0d\u5b58\u5728\u5355\u70b9\u6545\u969c\u7684\u9ad8\u53ef\u7528\u6027\u7cfb\u7edf\u3002\u7531\u4e8e\u53ef\u4ee5\u5229\u7528\u6269\u5c55\u5668\u5c06\u591a\u4e2a\u5668\u4ef6\u8fde\u63a5\u5230\u591a\u4e3b\u673a (initiator)\uff0c\u56e0\u6b64\u5229\u7528 SAS \u8fd8\u53ef\u4ee5\u63d0\u9ad8\u5bb9\u9519\u80fd\u529b\u3002SAS \u6269\u5c55\u5668\u901a\u8fc7\u4e0e\u53cc\u7aef\u53e3\u9a71\u52a8\u5668\u7ed3\u5408\u4f7f\u7528\u6216\u91c7\u7528\u63d2\u8f6c\u5361\u589e\u52a0 SATA \u9a71\u52a8\u5668\u7684\u53cc\u7aef\u53e3\u529f\u80fd\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u7b80\u5316\u5197\u4f59\u7cfb\u7edf\u7684\u8bbe\u8ba1\uff0c\u800c\u4e14\u8fd8\u53ef\u5b9e\u73b0\u6781\u9ad8\u7684\u5bb9\u9519\u80fd\u529b\u4e0e\u9ad8\u53ef\u7528\u6027\u3002
\nSAS \u80cc\u677f\u8fde\u63a5\u5668\u5177\u6709SAS \u7aef\u53e3 1\u4e0e SAS \u7aef\u53e3 2\u4e24\u4e2a\u4fe1\u53f7\u7fa4\u4ee5\u53ca\u7535\u6e90\u8def\u5f84\u3002SATA \u80cc\u677f\u8fde\u63a5\u5668\u770b\u8d77\u6765\u4e0e SAS \u8fde\u63a5\u5668\u5927\u540c\u5c0f\u5f02\uff0c\u4f46\u662f\u5176\u4ec5\u63d0\u4f9b\u4e00\u4e2a\u4fe1\u53f7\u7aef\u53e3\u5e76\u4e14\u5177\u6709\u4e00\u4e2a\u4e0e SATA \u78c1\u76d8\u9a71\u52a8\u5668\u8fde\u63a5\u5668\u7684\u69fd\u53e3\u76f8\u5339\u914d\u7684\u7535\u952e\u3002SAS \u80cc\u677f\u8fde\u63a5\u5668\u629b\u5f03\u4e86\u6b64\u7535\u952e\uff0c\u8f6c\u800c\u91c7\u7528\u9488\u5bf9\u7b2c\u4e8c\u4e2a SAS\u7aef\u53e3\u7684\u4fe1\u53f7(\u89c1\u4e0b\u56fe)\u3002\u7531\u4e8e\u4e0d\u5b58\u5728\u4e0a\u8ff0\u7535\u952e\uff0cSAS \u80cc\u677f\u8fde\u63a5\u5668\u53ef\u4ee5\u540c\u65f6\u63a5\u7eb3 SAS \u548c SATA \u78c1\u76d8\u9a71\u52a8\u5668\uff0c\u800cSATA\u80cc\u677f\u8fde\u63a5\u5668\u4ec5\u63a5\u7eb3 SATA \u78c1\u76d8\u9a71\u52a8\u5668\u3002
\n\u7531\u4e8e SATA \u9a71\u52a8\u5668\u4ec5\u63d0\u4f9b\u4e00\u4e2a\u7aef\u53e3\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u63d2\u8f6c\u5361\uff0c\u4ee5\u652f\u6301 SATA \u9a71\u52a8\u5668\u7684\u53cc\u7aef\u53e3\u529f\u80fd\u3002
\n\u63d2\u8f6c\u5361\u53ef\u901a\u8fc7\u53cc\u4e3b\u52a8\u591a\u8def\u590d\u7528\u5668\u82af\u7247\u6765\u5b9e\u73b0\u3002\u8be5\u82af\u7247\u652f\u6301\u9a71\u52a8\u5668\u4fa7\u4e0e\u5355\u7aef\u53e3 SATA \u9a71\u52a8\u5668\u76f8\u8fde\u7684 SATA \u8fde\u63a5\u5668\u4ee5\u53ca\u63d2\u5165 SAS \u80cc\u677f\u6216\u4e2d\u95f4\u80cc\u677f\u7684 SAS \u8fde\u63a5\u5668\uff0c\u4ece\u800c\u4e3a\u6269\u5c55\u5668\u63d0\u4f9b 2 \u4e2a SAS\/STP \u517c\u5bb9\u7684\u7aef\u53e3\u3002\u8fd9\u6837\uff0c\u63d2\u8f6c\u5361\u53ef\u63d0\u4f9b 2 \u4e2a\u4ece\u4e0a\u6e38 SAS \u6269\u5c55\u5668\u63a5\u5165\u6bcf\u4e2a\u5355\u7aef\u53e3SATA HDD \u7684\u72ec\u7acb\u7269\u7406\u7aef\u53e3\uff0c\u4ece\u800c\u901a\u8fc7\u4e24\u6761\u72ec\u7acb\u8def\u5f84\u5b9e\u73b0\u4e86\u9ad8\u53ef\u7528\u6027\u73af\u5883\u6240\u8981\u6c42\u7684\u5197\u4f59\u6027\u3002
\n\u5229\u7528\u53cc\u4e3b\u52a8\u591a\u8def\u590d\u7528\u5668\uff0c\u4e24\u53f0\u4e3b\u673a\u5747\u53ef\u901a\u8fc7\u5404\u81ea\u7684 SATA \u63a5\u53e3\u72ec\u7acb\u8bbf\u95ee\u5355\u4e2a SATA \u5b58\u50a8\u8bbe\u5907 \u3002\u6b64\u65f6\uff0cLSI \u53cc\u4e3b\u52a8\u591a\u8def\u590d\u7528\u5668\u53ef\u4ee5\u4f7f\u5355\u7aef\u53e3 SATA \u9a71\u52a8\u5668\u6a21\u62df\u53cc\u7aef\u53e3 SAS \u529f\u80fd\u3002LSI \u53cc\u4e3b\u52a8\u591a\u8def\u590d\u7528\u5668\u63d0\u4f9b\u65e0\u7f1d\u53cc\u4e3b\u673a\u652f\u6301\uff0c\u51e0\u4e4e\u65e0\u4efb\u4f55\u5f00\u5173\u5ef6\u8fdf\uff0c\u540c\u65f6\u8fd8\u53ef\u900f\u660e\u5730\u652f\u6301\u672c\u673a\u547d\u4ee4\u6392\u5e8f (NCQ) \u7b49\u589e\u5f3a\u578b SATA \u9a71\u52a8\u5668\u529f\u80fd\u3002\u4e0a\u8ff0\u53cc\u7aef\u53e3 SAS \u4eff\u771f\u53ef\u4ee5\u4ece\u6545\u969c\u5207\u6362\u3001\u96c6\u7fa4\u548c\u9ad8\u53ef\u7528\u6027\u65b9\u9762\u7b80\u5316\u5b58\u50a8\u7ba1\u7406\u8f6f\u4ef6\u3002
\n\u57fa\u4e8e SAS \u7684\u5b58\u50a8\u7cfb\u7edf\u5c06\u5e76\u884c SCSI \u4e1a\u7ecf\u9a8c\u8bc1\u7684\u53ef\u9760\u6027\u53ca\u529f\u80fd\u6027\u4e0e\u4e32\u884c\u5b58\u50a8\u6280\u672f\u7684\u6027\u80fd\u53ca\u8bbe\u8ba1\u4f18\u52bf\u878d\u4e3a\u4e00\u4f53\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6027\u80fd\u3001\u7075\u6d3b\u6027\u3001\u53ef\u6269\u5c55\u6027\u3001\u53ef\u9760\u6027\u4e0e\u53ef\u7528\u6027\u3002\u7531\u4e8e SAS \u7cfb\u7edf\u5177\u6709 SATA \u4e32\u884c\u4f20\u8f93\u63a5\u53e3\uff0c\u56e0\u6b64 SAS \u53ef\u5728\u540c\u4e00\u9635\u5217\u4e2d\u63d0\u4f9b\u6df7\u5408 SAS \u4e0e SATA \u9a71\u52a8\u5668\u7684\u7075\u6d3b\u6027\uff0c\u4ece\u800c\u80fd\u591f\u6ee1\u8db3\u65b0\u4e00\u4ee3\u4f01\u4e1a\u5b58\u50a8\u9700\u6c42\u3002\u5229\u7528\u57fa\u4e8e\u53cc\u4e3b\u52a8\u591a\u8def\u590d\u7528\u5668\u6280\u672f\u7684\u63d2\u8f6c\u5361\u4e3a SATA \u9a71\u52a8\u5668\u63d0\u4f9b\u53cc\u7aef\u53e3\u529f\u80fd\u53ef\u4ee5\u5728\u4f4e\u6210\u672c\u7684\u8fd1\u7ebf\u5b58\u50a8\u5e94\u7528\u4e2d\u4e3a\u57fa\u4e8e SAS \u7684\u7cfb\u7edf\u63d0\u4f9b\u4e00\u79cd\u6210\u672c\u66f4\u4f4e\u3001\u5bb9\u91cf\u66f4\u9ad8\u7684\u9009\u62e9\u3002\u56e0\u6b64\uff0c\u4f17\u591a\u57fa\u4e8e SAS \u7684\u65b0\u5b58\u50a8\u9635\u5217\u8bbe\u8ba1\u5c06\u91c7\u7528\u53cc\u4e3b\u52a8\u590d\u7528\u5668\uff0c\u4f5c\u4e3a\u4f01\u4e1a SATA \u9a71\u52a8\u5668\u8fde\u63a5\u7684\u9996\u9009\u67b6\u6784\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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