{"id":15786,"date":"2005-03-14T11:16:56","date_gmt":"2005-03-14T03:16:56","guid":{"rendered":""},"modified":"2005-03-14T11:16:56","modified_gmt":"2005-03-14T03:16:56","slug":"","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/15786.html","title":{"rendered":"\u5b58\u50a8\u6280\u672f\u7efc\u8ff0\uff1aSCSI\u534f\u8bae\u652f\u6491\u5b58\u50a8\u53d1\u5c55\u7684\u810a\u6881"},"content":{"rendered":"<p><P>&nbsp;&nbsp;&nbsp; SCSI\u534f\u8bae\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5728\u4e3b\u673a\u548c\u5b58\u50a8\u8bbe\u5907\u4e4b\u95f4\u4f20\u9001\u547d\u4ee4\u3001\u72b6\u6001\u548c\u5757\u6570\u636e\u3002\u5728\u5404\u7c7b\u5b58\u50a8\u6280\u672f\u4e2d\uff0cSCSI\u534f\u8bae\u53ef\u8c13\u662f\u6700\u91cd\u8981\u7684\u810a\u6881\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<STRONG>\u64cd\u4f5c\u7cfb\u7edf\u4e0eSCSI I\/O<\/STRONG><BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; \u64cd\u4f5c\u7cfb\u7edf\u5bf9\u5916\u90e8\u8bbe\u5907\uff08\u5982\u78c1\u76d8\u3001\u78c1\u5e26\u3001\u5149\u5b58\u50a8\u3001\u6253\u5370\u673a\u548c\u626b\u63cf\u4eea\uff09\u7684I\/O\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7SCSI\u534f\u8bae\u6765\u5b9e\u73b0\uff0c\u4e00\u822c\u60c5\u51b5\u4e0bSCSI\u534f\u8bae\u90fd\u5d4c\u5165\u5230\u8bbe\u5907\u9a71\u52a8\u5668\u6216\u8005\u4e3b\u673a\u9002\u914d\u5668\u7684\u677f\u8f7d\u903b\u8f91\u4e2d\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; 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\u603b\u7ebf\/\u76ee\u6807\/LUN\u6807\u8bc6\u7b26\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6620\u5c04\u5230\u67d0\u4e2a\u4f20\u8f93\u7684\u5bfb\u5740\u6761\u4ef6\u4e0a\u3002\u4f8b\u5982\uff0cFCP\uff08Fibre Channel Protocol\uff0c\u5149\u7ea4\u901a\u9053\u534f\u8bae\uff09\u5c06\u603b\u7ebf\/\u76ee\u6807\/LUN\u6620\u5c04\u5230DI\uff08device identification\uff0c\u8bbe\u5907\u6807\u8bc6\u7b26\uff09\/LUN\u5bf9\u4e0a\u3002\u56e0\u6b64\uff0c\u7269\u7406\u5b58\u50a8\u7684\u8868\u793a\u6709\u4e24\u4e2a\u7ec4\u6210\u90e8\u5206\u3002\u4e00\u4e2a\u662f\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4f7f\u7528\u5927\u5bb6\u90fd\u719f\u6089\u7684\u57fa\u4e8eSCSI\u4e09\u5143\u7ec4\u7684\u53ef\u8bbf\u95ee\u5b9e\u4f53\uff1b\u53e6\u5916\u4e00\u4e2a\u662f\u9488\u5bf9\u67d0\u4e2a\u4f20\u8f93\uff0c\u4ee5\u9002\u5e94\u66f4\u6539\u62d3\u6251\u7ed3\u6784\u7684\u5bfb\u5740\u6761\u4ef6\u3002<\/P><br \/>\n<P align=center><IMG alt=\"\" src=\"\/STOR_IMAGES\/2005-03-14\/3494.jpg\" border=0><\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5728\u8fd9\u4e00\u5c42\u4e0b\u9762\uff0c\u6570\u636e\u5757\u4f20\u9001\u7684\u5f15\u53d1\u5668\uff08initiator\uff09\u548c\u76ee\u6807\u76f8\u4e92\u4ea4\u6362SCSI-3\u547d\u4ee4\u548c\u72b6\u6001\u3002SCSI\u5f15\u53d1\u5668\u548c\u76ee\u6807\u4e4b\u95f4\u7684\u5173\u7cfb\u5b9a\u4e49\u5728SAM-2\u4e2d\uff0c\u5bf9\u4e8e\u7279\u5b9a\u7684SCSI-3\u5b9e\u73b0\u6709\u4e0d\u540c\u7684\u6807\u51c6\u6587\u6863\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; SCSI\u4f53\u7cfb\u7ed3\u6784\u6a21\u578b&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; SCSI-3\u6807\u51c6\u5bb6\u65cf\u5f15\u8fdb\u4e86\u51e0\u79cd\u65b0\u7684SCSI\u547d\u4ee4\u53d8\u4f53\uff0c\u5176\u4e2d\u5305\u62ec\u4e32\u884cSCSI-3\u548c\u5728\u78c1\u5e26\u4e2d\u8fdb\u884c\u6570\u636e\u6d41\u548c\u4ecb\u8d28\u5904\u7406\u6240\u9700\u8981\u7684\u7279\u6b8a\u547d\u4ee4\u7ec4\u3002\u5982\u56fe\u4e8c\u6240\u793a\uff0c\u547d\u4ee4\u5c42\u72ec\u7acb\u4e8e\u534f\u8bae\u5c42\uff0c\u534f\u8bae\u5c42\u7528\u6765\u5728\u8bbe\u5907\u4e4b\u95f4\u4f20\u9001SCSI-3\u547d\u4ee4\u3002\u8fd9\u4f7f\u5f97\u53d6\u4ee3SCSI-3\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u547d\u4ee4\u63a5\u53e3\u4e0b\u7684\u4e0d\u540c\u4f20\u8f93\u66f4\u5177\u6709\u7075\u6d3b\u6027\u3002\u4f8b\u5982\uff0c\u5728\u89c6\u9891\u7f16\u8f91\u7cfb\u7edf\u4e2d\uff0c\u5916\u90e8\u8bbe\u5907\u53ef\u4ee5\u4f7f\u7528IEEE 1394 FireWire\u5904\u7406\u9ad8\u901f\u4f46\u662f\u6709\u8ddd\u79bb\u9650\u5236\u7684SCSI-3\u4e32\u884c\u603b\u7ebf\u4e8b\u52a1\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; SCSI\u4f53\u7cfb\u7ed3\u6784\u5b9a\u4e49\u4e86\u5f15\u53d1\u5668\uff08\u4e3b\u673a\uff09\u548c\u76ee\u6807\uff08\u4f8b\u5982\u78c1\u76d8\u3001\u78c1\u5e26\uff09\u4e4b\u95f4\u4f5c\u4e3a\u5ba2\u6237\/\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u6362\u7684\u5173\u7cfb\u3002SCSI-3\u5e94\u7528\u7a0b\u5e8f\u5ba2\u6237\u7aef\u5728\u4e3b\u673a\u4e0a\uff0c\u5b83\u63cf\u8ff0\u4e86\u9ad8\u5c42\u5e94\u7528\u7a0b\u5e8f\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u64cd\u4f5c\u7cfb\u7edf\u7684I\/O\u8bf7\u6c42\u3002SCSI-3\u8bbe\u5907\u670d\u52a1\u5668\u5728\u76ee\u6807\u8bbe\u5907\u4e2d\uff0c\u8d1f\u8d23\u5bf9\u8bf7\u6c42\u505a\u51fa\u54cd\u5e94\u3002\u5ba2\u6237\/\u670d\u52a1\u5668\u8bf7\u6c42\u548c\u54cd\u5e94\u901a\u8fc7\u5e95\u5c42\u4f20\u8f93\u7684\u65b9\u5f0f\u8fdb\u884c\u4ea4\u6362\uff0c\u5e76\u4e14\u7531\u5408\u9002?SCSI-3\u670d\u52a1\u53d1\u9001\u534f\u8bae\u8fdb\u884c\u7ba1\u7406\uff0c\u5982FCP\u534f\u8bae\u6216\u8005\u5343\u5146\u4e32\u884c\u94fe\u8def\u7684iSCSI\u534f\u8bae\u3002\u56e0\u6b64\uff0cSCSI-3\u534f\u8bae\u548cSCSI-3\u4f20\u8f93\u534f\u8bae\u5c31\u533a\u5206\u5f00\u4e86\uff0c\u524d\u8005\u4ece\u4e3b\u673a\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5bf9I\/O\u8bf7\u6c42\u63d0\u4f9b\u670d\u52a1\uff0c\u540e\u8005\u901a\u8fc7\u670d\u52a1\u53d1\u9001\u5b50\u7cfb\u7edf\u4f20\u8f93\u6570\u636e\u3002 <\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u56e0\u4e3a\u4e00\u4e2a\u5f15\u53d1\u5668\u53ef\u80fd\u5411\u4e00\u4e2a\u76ee\u6807\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\uff0c\u56e0\u6b64\u5ba2\u6237\/\u670d\u52a1\u5668\u6a21\u578b\u5fc5\u987b\u652f\u6301\u5e76\u53d1\u8bf7\u6c42\/\u54cd\u5e94\u4ea4\u6362\uff0c\u5e76\u4e14\u8bb0\u5f55\u6bcf\u4e2a\u4ea4\u6362\u7684\u72b6\u6001\u3002\u72b6\u6001\u548c\u8bca\u65ad\u529f\u80fd\u53ef\u4ee5\u7531\u4e24\u4e2a\u5b9e\u4f53\u4e4b\u95f4\u7684\u4efb\u52a1\u7ba1\u7406\u7a0b\u5e8f\u8d1f\u8d23\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; SCSI-3\u4f53\u7cfb\u7ed3\u6784\u6a21\u578b\u662f\u7ed3\u6784\u5316\u7684\uff0c\u56e0\u6b64\u4e3b\u673a\u7cfb\u7edf\u7684I\/O\u8bf7\u6c42\u53ef\u4ee5\u4e0d\u8003\u8651\u5e95\u5c42\u7684\u670d\u52a1\u53d1\u9001\u5b50\u7cfb\u7edf\u5c31\u83b7\u5f97\u670d\u52a1\u3002\u56e0\u6b64\uff0c\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u4ef6\u670d\u52a1\u5668\u53ef\u4ee5\u7ba1\u7406\u4e0d\u540c\u76ee\u6807\u7c7b\u578b\u7684I\/O\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u4e00\u53f0\u670d\u52a1\u5668\u5728\u5343\u5146\u4ee5\u592a\u7f51\u63a5\u53e3\u4e0a\u53ef\u4ee5\u5177\u6709\u76f4\u63a5\u7684SCSI\u76ee\u6807\uff0c\u4e5f\u53ef\u4ee5\u5177\u6709\u4e32\u884cSCSI\u76ee\u6807\u3002\u4e00\u4e9bNAS\u7cfb\u7edf\u4f7f\u7528\u4e4b\u95f4\u8fde\u63a5\u7684\u5b58\u50a8\u63d0\u4f9b\u6587\u4ef6\u670d\u52a1\uff0c\u4f7f\u7528\u5343\u5146\u4f20\u8f93\u7684\u4e32\u884cSCSI\u63d0\u4f9b\u6570\u636e\u5757\u3001\u5b58\u50a8\u6269\u5c55\u548c\u78c1\u5e26\u5907\u4efd\u670d\u52a1\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; <STRONG>\u76f8\u5173\u94fe\u63a5\uff1aSCSI-3\u4e0eSAM-2<\/STRONG>&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; SCSI\uff08Small Computer System Interface\uff0c\u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3\uff09\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u8ba1\u7b97\u673a\u5916\u90e8\u8bbe\u5907\u63a5\u53e3\u3002\u901a\u8fc7\u8fd9\u4e2a\u63a5\u53e3\uff0c\u6240\u6709\u8fde\u63a5\u5230PC\u7684\u5916\u90e8\u8bbe\u5907\u5747\u53ef\u901a\u8fc7HBA\uff08Host Bus Adapter\uff0c\u4e3b\u673a\u603b\u7ebf\u9002\u914d\u5668\uff09\u5b9e\u73b0\u5f7c\u6b64\u95f4\u72ec\u7acb\u4e8e\u4e3b\u673a\u7684\u6570\u636e\u4f20\u8f93\u548c\u5206\u53d1\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; \u4ece1982\u5e74SCSI\u7684\u524d\u8eabSASI\uff08Shugart Associates Systems Interface\uff09\u52301986\u5e74\u88abANSI\u63a5\u53d7\u4e3a\u6807\u51c6\uff08X3.131-1986\uff09\uff0c\u518d\u5230\u76ee\u524d\u4e43\u81f3\u5c06\u6765\u5404\u79cdSCSI\u76f8\u5173\u6807\u51c6\u548c\u6280\u672f\u7684\u4e0d\u65ad\u63a8\u51fa\uff0cSCSI\u5df2\u7ecf\u8d70\u8fc7\u4e8620\u591a\u5e74\u7684\u5386\u7a0b\u3002&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; 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