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\u4e8b\u5b9e\u4e0a\uff0c\u82e5\u6709\u9002\u5f53\u7684\u73af\u5883\u914d\u5408\uff0ciSCSI\u4e5f\u80fd\u5b9e\u73b0\u591a\u8def\u5f84I\/O\uff08Multi-Path Input\/Output\uff0cMPIO\uff0c\u591a\u8def\u5f84\u8f93\u5165\u8f93\u51fa\uff09\u4e0e\u591a\u91cd\u8fde\u7ed3\uff08Multiple Connections per Session\uff0cMC\/S\uff09\u4e24\u79cd\u591a\u91cd\u8def\u5f84\u5b58\u53d6\u7684\u673a\u5236\uff0c\u53ef\u5efa\u7acb\u8d1f\u8f7d\u5e73\u8861\u3001\u6545\u969c\u5931\u6548\u5207\u6362\u7b49\u5e26\u5bbd\u805a\u5408\u5e94\u7528\uff0c\u63d0\u4f9b\u66f4\u53ef\u9760\u7684\u5b58\u50a8\u7f51\u7edc\u73af\u5883\u3002 <\/p>\n
SCSI\u76842\u79cd\u591a\u8def\u5f84\u8bbf\u95ee\u673a\u5236 <\/p>\n
MPIO\u4e0eMC\/S\u90fd\u662f\u5229\u7528\u591a\u6761\u5b9e\u4f53\u5b58\u53d6\u901a\u9053\uff0c\u5728\u670d\u52a1\u5668\uff08iSCSI Initiator\u6bb5\uff09\u4e0e\u5b58\u50a8\u8bbe\u5907\uff08iSCSI Target\u7aef\uff09\u4e4b\u95f4\u5efa\u7acb\u903b\u8f91\u901a\u9053\uff0c\u53ef\u900f\u8fc7\u8f6e\u66ff\u7684\u5b58\u53d6\u52a8\u4f5c\uff0c\u907f\u514d\u5355\u4e00\u5b9e\u4f53\u901a\u9053\u4e2d\u65ad\u65f6\uff0c\u8fde\u5e26\u5bfc\u81f4\u5b58\u53d6\u4e2d\u65ad\uff1b\u6216\u662f\u5e73\u8861\u591a\u4e2a\u5b9e\u4f53\u901a\u9053\u95f4\u7684\u4f20\u8f93\u8d1f\u8f7d\uff0c\u907f\u514d\u4f20\u8f93\u8d1f\u8377\u96c6\u4e2d\u5728\u5355\u4e00\u5b9e\u4f53\u901a\u9053\u4e0a\u3002\u4f462\u79cd\u673a\u5236\u95f4\u53c8\u6709\u6240\u4e0d\u540c\uff1a <\/p>\n
\u591a\u91cd\u8def\u5f84MPIO<\/p>\n
MPIO\u53ef\u5141\u8bb81\u4e2aiSCSI Initiator\u900f\u8fc7\u591a\u4e2aSession\u8fde\u5165\u540c1\u4e2aiSCSI Target\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5229\u7528\u591a\u7f51\u5361\u6216iSCSI HBA\u542f\u7528\u8d1f\u8f7d\u5e73\u8861\u4e0e\u6545\u969c\u5931\u6548\u5207\u6362\u673a\u5236\uff0c\u4e5f\u53ef\u79f0\u4f5cMultiple Sessions per Initiator\u3002 <\/p>\n
\u591a\u91cd\u8fde\u63a5MC\/S<\/p>\n
MC\/S\u53ef\u5141\u8bb8\u5728\u540c\u4e00\u4e2aSession\u4e2d\uff0c\u5728iSCSI Initiator\u4e0eiSCSI Target\u95f4\u5efa\u7acb\u591a\u4e2aTCP\/IP\u8fde\u63a5\uff0c\u540c\u6837\u4e5f\u80fd\u8ba9\u7528\u6237\u5229\u7528\u591a\u5f20\u7f51\u5361\u6216iSCSI HBA\u542f\u7528\u8d1f\u8f7d\u5e73\u8861\u4e0e\u6545\u969c\u5931\u6548\u5207\u6362\u673a\u5236\u3002 <\/p>\n
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\u5b9e\u73b0\u591a\u8def\u5f84\u5b58\u53d6\u76843\u79cd\u65b9\u5f0f<\/p>\n
iSCSI\u7684\u5e95\u5c42\u662fIP\u4e0e\u4ee5\u592a\u7f51\uff0c\u7406\u8bba\u4e0a\u53ef\u76f4\u63a5\u4ece\u7f51\u5361\u5b9e\u65bd\uff0c\u5229\u7528Port Trunking\/Teaming\/Link Aggregation\u7684\u65b9\u5f0f\uff0c\u5c06\u4e3b\u673a\u4e0a\u7684\u591a\u5f20\u7f51\u5361\u6346\u7ed1\u57281\u4e2aIP\u4e0b\uff0c\u518d\u8fde\u63a5\u5230iSCSI\u5b58\u50a8\u8bbe\u5907\u4e0a\uff0c\u642d\u914diSCSI\u5b58\u50a8\u8bbe\u5907\u4f20\u8f93\u57e0\u4e0a\u7684\u5bf9\u5e94\u8bbe\u5b9a\uff0c\u4ece\u800c\u5b9e\u73b0\u5b9e\u4f53\u591a\u8def\u5f84\u8fde\u63a5\u3002\u4f46\u95ee\u9898\u5728\u4e8e\uff0c\u4e0d\u662f\u6240\u6709\u7f51\u5361\u90fd\u80fd\u652f\u6301\u8fd9\u79cd\u65b9\u5f0f\u3002 <\/p>\n
\u53e6\u5916\uff0c\u6709\u4e00\u4e9b\u5b58\u50a8\u5382\u5546\u63d0\u4f9b\u7684SAN\u8def\u5f84\u7ba1\u7406\u8f6f\u4ef6\uff0c\u4e5f\u80fd\u534f\u52a9\u7528\u6237\u5efa\u7acbiSCSI\u591a\u8def\u5f84\u5b58\u53d6\u73af\u5883\uff0c\u5982EMC PowerPath\u3001HDS\u7684Hitachi Dynamic Link Manager\u3001NetApp SnapDrive\u3001Infortrend EonPath\u7b49\uff0c\u4f46\u8fd9\u4e9b\u8f6f\u4ef6\u901a\u5e38\u90fd\u53ea\u652f\u6301\u7279\u5b9a\u5382\u724c\u578b\u53f7\u7684iSCSI\u8bbe\u5907\u3002 <\/p>\n
\u4e0d\u8fc7\u6211\u4eec\u4e5f\u53ef\u8df3\u8fc7\u7f51\u5361\u8fd9\u4e00\u5c42\uff0c\u4ea6\u65e0\u987b\u4f7f\u7528\u8def\u5f84\u7ba1\u7406\u8f6f\u4ef6\uff0c\u76f4\u63a5\u5229\u7528iSCSI Initiator\u8f6f\u4ef6\u914d\u5408iSCSI\u8bbe\u5907\u5efa\u7acb\u591a\u8def\u5f84\u5b58\u53d6\u3002\u8981\u5229\u7528\u8fd9\u79cd\u65b9\u5f0f\u5efa\u7acbMPIO\u8fd8\u662fMC\/S\uff0c\u90fd\u5fc5\u987b\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\uff1a <\/p>\n
\uff081\uff09iSCSI Initiator\u7aef\u9700\u6709\u591a\u5f20\u7f51\u5361\u6216\u7f51\u7edc\u7aef\u53e3\u8fde\u63a5\u5230Target\u7aef\u3002 <\/p>\n
\uff082\uff09iSCSI Initiator\u8f6f\u4ef6\u9700\u652f\u6301MPIO\u6216MC\/S\u3002 <\/p>\n
\uff083\uff09iSCSI Target\u8bbe\u5907\u9700\u652f\u6301MPIO\u6216MC\/S\u3002 <\/p>\n
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