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\u4fdd\u8bc1\u5176\u4ed6\u865a\u62df\u673a\u7684I\/O\u6027\u80fd\u3002\u5b9e\u9645\u4e0a\uff0cSIOC\u7684\u4f5c\u7528\u662f\u51cf\u5c11\u4e86\u865a\u62df\u673a\u4e4b\u95f4\u56e0\u4e3aI\/O\u8d44\u6e90\u4e89\u7528\u800c\u5f15\u8d77\u7684\u51b2\u7a81\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u865a\u62df\u673a\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4eba\u5458\u548c\u7ba1\u7406\u8005\u4f1a\u559c\u6b22\u8fd9\u4e2a\u529f\u80fd\uff0c\u867d\u7136\u603b\u4f53\u5e26\u5bbd\u4fdd\u6301\u4e0d\u53d8\uff0c\u4f46\u5374\u53ef\u4ee5\u5e26\u6765\u66f4\u597d\u7684\u6027\u80fd\u8868\u73b0\u3002<\/p>\n<p><strong>\u4e03\u3001\u4f18\u5316\u670d\u52a1\u5668\u7aef<\/strong><\/p>\n<p>\u4eca\u5929\uff0c\u91c7\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u670d\u52a1\u5668\u5728CPU\u5904\u7406\u80fd\u529b\u4e0a\u662f\u8fc7\u5269\u7684\uff0c\u4f46\u7f51\u5361\u548cHBA\u5361\u901a\u8baf\u5904\u7406\u5374\u4ecd\u7136\u53ea\u80fd\u4f7f\u7528\u4e00\u4e2a\u5904\u7406\u5668\u5185\u6838\u3002RSS(Receive-  sidescaling\uff0c\u63a5\u6536\u7aef\u8c03\u8282)\u6280\u672f\u7684\u51fa\u73b0\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\uff0cI\/O\u5361\u53ef\u4ee5\u5c06\u6570\u636e\u6d41\u5206\u7ed9\u591a\u4e2aCPU\u5185\u6838\u505a\u5e76\u884c\u5904\u7406\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>Hypervisors\u8fd8\u6709\u4e00\u4e2a\u5de5\u4f5c\u662f\u5bf9I\/O\u8fdb\u884c\u961f\u5217\u6392\u5e8f\uff0c\u5e76\u4e14\u5c06I\/O\u5b9a\u5411\u7ed9\u76f8\u5e94\u865a\u62df\u673a\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4f7f\u7528\u5230\u4e86Intel VMDq(virtual  machine device queues)\u6280\u672f\u3002VMDq\u5141\u8bb8\u7f51\u7edc\u9002\u914d\u5668\u4e0eMicrosoft Hyper-V\u6216VMware  ESX\u4e4b\u7c7b\u7684hypervisor\u8fdb\u884c\u901a\u8baf\uff0c\u53ef\u4ee5\u5c06\u53d1\u5f80\u540c\u4e00\u4e2a\u865a\u62df\u673a\u7684\u591a\u4e2a\u6570\u636e\u5305\u96c6\u4e2d\u5728\u4e00\u8d77\u5904\u7406\u3002<\/p>\n<p>\u5728\u670d\u52a1\u5668\u865a\u62df\u5316\u5e94\u7528\u73af\u5883\u4e2d\u4f7f\u7528RSS\u548cVMDq\u8fd9\u6837\u7684\u6280\u672f\u6709\u52a9\u4e8e\u5b9e\u73b0I\/O\u6d41\u91cf\u7684\u4f18\u5316\uff0c\u800c\u4e14\u80fd\u591f\u4ea7\u751f\u60ca\u4eba\u7684\u52a0\u901f\u6548\u679c\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\uff0cMicrosoft\u548cVMware\u5df2\u7ecf\u5c55\u793a\u4e86\u4ed6\u4eec\u7684\u865a\u62df\u673a\u4ea7\u54c1\u5728\u6027\u80fd\u4f18\u5316\u65b9\u9762\u7684\u6709\u6548\u6027\u3002<\/p>\n<p><strong>\u516b\u3001\u4f7f\u7528\u4e3b\u52a8\u591a\u8def\u5f84(Active Multipathing)\u6280\u672f<\/strong><\/p>\n<p>\u5728\u670d\u52a1\u5668\u548c\u5b58\u50a8\u7cfb\u7edf\u4e4b\u95f4\u8bbe\u7f6e\u591a\u8def\u5f84\u662f\u4fdd\u8bc1\u9ad8\u53ef\u7528\u7684\u4f20\u7edf\u65b9\u6cd5\uff0c\u4f46\u5728\u4f7f\u7528\u4e86\u9ad8\u7ea7\u7684\u4e3b\u52a8\u591a\u8def\u5f84\u6280\u672f\u4e4b\u540e\uff0c\u6027\u80fd\u4e5f\u4f1a\u6709\u63d0\u5347\u3002<\/p>\n<p>\u57fa\u672c\u7684\u591a\u8def\u5f84\u8f6f\u4ef6\u53ea\u80fd\u63d0\u4f9b\u5bb9\u9519\u529f\u80fd\uff0c\u5f53\u53d1\u751f\u8fde\u63a5\u4e22\u5931\u6545\u969c\u65f6\uff0c\u6267\u884c\u901a\u9053\u5207\u6362\u64cd\u4f5c\u3002\u800c\u6240\u8c13\u7684\u53cc\u6d3b&ldquo;dual-active&rdquo;\u914d\u7f6e\u80fd\u591f\u5c06\u4e0d\u540c\u7684I\/O\u8d1f\u8f7d  \u5206\u914d\u7ed9\u6bcf\u4e00\u6761\u94fe\u8def\uff0c\u867d\u7136\u63d0\u5347\u4e86\u5229\u7528\u7387\uff0c\u4f46\u5c40\u9650\u662f\u6bcf\u4e00\u4e2a\u8fde\u63a5\u53ea\u80fd\u8d70\u4e00\u4e2a\u901a\u9053\u3002\u6709\u4e9b\u5b58\u50a8\u9635\u5217\u652f\u6301\u5c06\u591a\u4e2a\u8fde\u63a5\u7ed1\u5b9a\u5728\u4e00\u8d77\uff0c\u6216\u8005\u91c7\u7528active-active\u7684  \u914d\u7f6e\uff0c\u591a\u4e2a\u94fe\u8def\u805a\u5408\u5728\u4e00\u8d77\uff0c\u53ef\u4ee5\u5145\u5206\u53d1\u6325\u591a\u901a\u9053\u5e26\u5bbd\u7684\u6f5c\u529b\u3002<\/p>\n<p>\u65b0\u4e00\u4ee3\u7684\u591a\u8def\u5f84\u670d\u52a1\u6846\u67b6\uff0c\u6bd4\u5982Microsoft\u7684MPIO\u548c  VMware\u7684PAS\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u5b58\u50a8\u9635\u5217\u4e13\u7528\u7684plug-in\u63d2\u4ef6\u6765\u5b9e\u73b0\u4e3b\u52a8\u591a\u8def\u5f84\u529f\u80fd\u3002\u7528\u6237\u53ef\u4ee5\u95ee\u95ee\u81ea\u5df1\u7684\u5b58\u50a8\u4f9b\u5e94\u5546\u662f\u5426\u63d0\u4f9b\u8fd9\u6837\u7684\u63d2\u4ef6\uff0c\u4f46\u5982\u679c\u5b83\u662f\u5355\u72ec\u6536\u8d39\u6216\u8005\u9700\u8981\u4e00\u4e2a\u7279\u6b8a\u7684\u4f01\u4e1a\u7ea7license\uff0c\u4e5f\u662f\u610f\u6599\u4e4b\u4e2d\u7684\u4e8b\u513f\u3002<\/p>\n<p><strong>\u4e5d\u3001\u90e8\u7f728Gb\u5149\u7ea4\u901a\u9053<\/strong><\/p>\n<p>\u81ea\u4ece1Gbps\u7684\u5149\u7ea4\u901a\u9053\u4ea7\u54c1\u51fa\u73b0\u4ee5\u6765\uff0c\u5149\u7ea4\u901a\u9053\u7684\u5e26\u5bbd\u4e00\u76f4\u662f\u4ee5\u53cc\u500d\u7684\u901f\u7387\u5728\u589e\u957f\uff0c\u4e0d\u8fc7\u5728\u589e\u957f\u7684\u540c\u65f6\u4ecd\u7136\u4fdd\u6301\u7740\u5411\u540e\u517c\u5bb9\u548c\u53ef\u4e92\u64cd\u4f5c\u7684\u7279\u6027\u3002\u5c06\u5149\u7ea4\u901a\u9053\u5347\u7ea7\u52308Gbps\u5e26\u5bbd\u662f\u4e00\u4e2a\u52a0\u901f\u5b58\u50a8I\/O\u7684\u6700\u7b80\u5355\u800c\u4e14\u80fd\u8d1f\u62c5\u5f97\u8d77\u7684\u65b9\u6cd5\u3002\u76ee\u524d\uff0c\u5e02\u573a\u4e0a8Gbps\u5149\u7ea4\u4ea4\u6362\u673a\u548cHBA\u5361\u7684\u79cd\u7c7b\u975e\u5e38\u4e30\u5bcc\uff0c\u800c\u5728\u4ef7\u683c\u65b9\u9762\u4e0e4Gbps\u7684\u4ea7\u54c1\u4e5f\u57fa\u672c\u6ca1\u6709\u5dee\u5f02\u3002\u5f53\u6211\u4eec\u9700\u8981\u5bf9SAN\u7f51\u7edc\u8fdb\u884c\u6269\u5c55\uff0c\u8d2d\u4e70\u65b0\u7684\u670d\u52a1\u5668\u548c\u5b58\u50a8\u9635\u5217\u65f6\uff0c\u9009\u62e98Gbps\u800c\u4e0d\u662f4Gbps\u7684\u5149\u7ea4\u901a\u9053\u662f\u5f88\u81ea\u7136\u7684\u4e8b\u60c5\u3002\u800c\u4e0d\u4e45\u4e4b\u540e\u6211\u4eec\u8fd8\u4f1a\u770b\u5230\u4e0b\u4e00\u4ee3\u768416Gbps\u5149\u7ea4\u901a\u9053\u8bbe\u5907\u3002<\/p>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u541e\u5410\u91cf(\u901a\u5e38\u4ee5\u5b57\u8282\/\u79d2\u8868\u793a)\u5e76\u4e0d\u662f\u8861\u91cf\u5b58\u50a8\u6027\u80fd\u7684\u552f\u4e00\u6307\u6807\uff0c\u54cd\u5e94\u5ef6\u8fdf\u4e5f\u975e\u5e38\u5173\u952e\uff0c\u901a\u5e38\u7528IOPS(I\/Ooperations per  second)\u6216\u54cd\u5e94\u65f6\u95f4(\u4ee5\u6beb\u79d2\u6216\u5fae\u79d2\u4e3a\u5355\u4f4d)\u8861\u91cf\uff0c\u5ef6\u8fdf\u6307\u6807\u53ef\u4ee5\u8861\u91cf\u5355\u4e2aI\/O\u8bf7\u6c42\u88ab\u5904\u7406\u7684\u901f\u5ea6\u3002\u76ee\u524d\uff0c\u5ef6\u8fdf\u5df2\u7ecf\u6210\u4e3a\u63cf\u8ff0\u670d\u52a1\u5668\u865a\u62df\u5316\u73af\u5883\u6027\u80fd\u7684\u5173\u952e  \u6307\u6807\u3002\u5f53\u591a\u4e2a\u865a\u62df\u670d\u52a1\u5668\u7684\u6d41\u91cf\u901a\u8fc7\u4e00\u4e2a\u5355\u72ec\u7684I\/O\u7aef\u53e3\u65f6\uff0c\u8be5\u7aef\u53e3\u9700\u8981\u5feb\u901f\u7684\u5904\u7406\u6570\u636e\u5305\uff0c\u800c\u4e0d\u53ea\u662f\u80fd\u591f\u5904\u7406\u5927\u91cf\u7684\u987a\u5e8f\u6570\u636e\u6d41\u3002<\/p>\n<p>\u6bcf\u6b21\u5149\u7ea4\u901a\u9053\u4ea7\u54c1\u5347\u7ea7\uff0c\u4e0d\u4ec5\u4ec5\u662f\u5e26\u5bbd\u7ffb\u500d\uff0c\u5904\u7406\u4e00\u4e2aI\/O\u64cd\u4f5c\u7684\u65f6\u95f4\u4e5f\u4f1a\u51cf\u534a\u3002\u56e0\u6b64\uff0c8Gbps\u5149\u7ea4\u901a\u9053\u6280\u672f\u4e0e\u539f\u6765\u76844Gbps\u6280\u672f\u76f8\u6bd4\uff0c\u4e0d\u4ec5\u4ec5\u662f\u5b9e\u73b0\u4e86\u53cc\u500d\u7684MB\/s\u6570\u503c\uff0cI\/O\u8bf7\u6c42\u7684\u5904\u7406\u80fd\u529b\u4e5f\u589e\u52a0\u4e86\u4e00\u500d\u3002\u5bf9\u670d\u52a1\u5668\u865a\u62df\u5316\u5e94\u7528\u6765\u8bf4\uff0c\u8fd9\u624d\u662f\u771f\u6b63\u6709\u4ef7\u503c\u7684\u5730\u65b9\u3002<\/p>\n<p><strong>\u5341\u3001\u5229\u752810Gbps\u4ee5\u592a\u7f51<\/strong><\/p>\n<p>\u5149\u7ea4\u901a\u9053\u5e76\u4e0d\u662f\u552f\u4e00\u4e00\u4e2a\u4e0d\u65ad\u5347\u7ea7\u7684\u901a\u9053\u6280\u672f\u3002\u4ee5\u592a\u7f51\u6700\u8fd1\u4e5f\u8fdb\u884c\u4e86\u91cd\u5927\u7684\u5347\u7ea7\u8de8\u5165\u4e86\u4e07\u5146\u65f6\u4ee3\u3002\u968f\u774010GbE\u4ee5\u592a\u7f51\u8d8a\u6765\u8d8a\u666e\u53ca\uff0c\u7528\u6237\u4e5f\u9010\u6e10\u80fd\u591f\u627f\u53d7\u76f8  \u5173\u7684\u6210\u672c\u3002\u4f46\u662f\uff0c10GbE\u7684\u5b58\u50a8\u9635\u5217\u7684\u53d1\u5c55\u901f\u5ea6\u8981\u843d\u540e\u4e8e\u4e07\u5146\u7f51\u5361\u548c\u4ea4\u6362\u673a\u3002\u5982\u679c\u80fd\u591f\u5c06\u73b0\u5728\u7684iSCSI\u6216NAS(SMB\u548cNFS)\u534f\u8bae\u5b58\u50a8\u73af\u5883\u8fc1\u79fb\u5230  10GbE\u4ee5\u592a\u7f51\uff0c\u90a3\u4e48\u603b\u4f53\u6027\u80fd\u4f1a\u6709\u5927\u5e45\u5ea6\u7684\u63d0\u5347\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709\u7aef\u5230\u7aef\u768410GbE\u4ee5\u592a\u7f51\uff0c\u90a3\u4e48\u66ff\u4ee3\u65b9\u6848\u53ef\u4ee5\u9009\u62e9\u57281GbE\u7684\u94fe\u8def\u4e0a\u4f7f\u7528 LACP(link aggregation control  protocol)\u805a\u5408\u3002\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u80fd\u591f\u521b\u5efa\u4e00\u6761N\u4e2aGbps\u7684\u5e26\u5bbd\u805a\u5408\u901a\u9053\uff0c\u5728\u4e3b\u673a\u3001\u4ea4\u6362\u673a\u548c\u5b58\u50a8\u7b49\u4e00\u7cfb\u5217\u5343\u5146\u8bbe\u5907\u4e4b\u95f4\u5b9e\u73b0\u4e92\u8054\u3002\u5728\u6ca1\u6709  10GbE\u4ee5\u592a\u7f51\u7684\u65f6\u5019\uff0c\u8fd9\u4e2a\u65b9\u6848\u80fd\u591f\u89e3\u51b3\u5343\u5146\u4ee5\u592a\u7f51\u901f\u5ea6\u592a\u6162\u7684\u95ee\u9898\u3002<\/p>\n<p>\u6700\u65b0\u51fa\u73b0\u7684FCoE(Fibre Channel over  Ethernet)\u6280\u672f\u5c06\u5149\u7ea4\u901a\u9053\u548c\u4ee5\u592a\u7f51\u8fd9\u4e24\u4e2a\u4e16\u754c\u8054\u7cfb\u5230\u4e86\u4e00\u8d77\uff0c\u5e76\u4e14\u627f\u8bfa\u6709\u66f4\u597d\u7684\u6027\u80fd\u548c\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002\u5c3d\u7ba1\u6709\u4e00\u79cd\u58f0\u97f3\u8ba4\u4e3aFCoE\u4f7f\u7528\u768410GbE\u4ee5  \u592a\u7f51\u901a\u9053\u7684\u5e26\u5bbd\u53ea\u6bd48Gbps\u5149\u7ea4\u901a\u9053\u5feb\u4e8620%\uff0c\u4f46\u6570\u636e\u541e\u5410\u91cf\u7684\u5dee\u8ddd\u5374\u60ca\u4eba\u5730\u8fbe\u5230\u4e8650%\uff0c\u8fd9\u90fd\u8981\u5f52\u529f\u4e8e\u66f4\u52a0\u6709\u6548\u7f16\u7801\u65b9\u5f0f\u3002FCoE\u8fd8\u627f\u8bfa\u53ef\u4ee5\u51cf\u5c11  I\/O\u5ef6\u8fdf\uff0c\u800c\u4f20\u7edf\u7684\u5149\u7ea4\u901a\u9053SAN\u6216\u5b58\u50a8\u9635\u5217\u8981\u901a\u8fc7\u4f7f\u7528\u6865\u63a5\u5668\u624d\u80fd\u505a\u5230\u8fd9\u4e00\u70b9\u3002\u4ee5\u957f\u8fdc\u7684\u773c\u5149\u770b\uff0cFCoE\u53ef\u4ee5\u63d0\u5347\u5b58\u50a8\u6027\u80fd\uff0c\u800c\u4e14\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u80fd\u591f\u4f7f\u7528\u5b83 \u4e86\u3002<\/p>\n<p><strong>\u5341\u4e00\u3001\u589e\u52a0\u7f13\u5b58<\/strong><\/p>\n<p>\u867d\u7136\u6700\u5feb\u901f\u7684I\/O\u8bf7\u6c42\u6c38\u8fdc\u4e0d\u4f1a\u51fa\u73b0\uff0c\u4f46\u4f5c\u4e3a\u4e00\u4e2a\u63d0\u9ad8\u6027\u80fd\u7684\u624b\u6bb5\uff0c\u4f7f\u7528\u7f13\u5b58\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u5728I\/O\u901a\u8def\u7684\u5404\u4e2a\u73af\u8282\u90fd\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\uff0c\u901a\u8fc7\u628a\u6700\u8fd1\u9891\u7e41  \u4f7f\u7528\u7684\u4fe1\u606f\u9a7b\u7559\u5728\u7f13\u5b58\u4e2d\uff0c\u8bbe\u5907\u53ef\u4ee5\u660e\u663e\u7684\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u3002\u8fd9\u4e0d\u662f\u4ec0\u4e48\u65b0\u6280\u672f\uff0c\u4f46\u597d\u6d88\u606f\u662f\u968f\u7740\u4ef7\u683c\u7684\u4e0b\u964d\uff0c\u6211\u4eec\u73b0\u5728\u80fd\u7528\u5f97\u8d77\u66f4\u5927\u5bb9\u91cf\u7684NAND  flashmemory\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u6539\u5584\u5b58\u50a8\u6027\u80fd\u6709\u8bb8\u591a\u7684\u9009\u62e9\uff0c\u4f46\u4e0d\u4f1a\u6709\u4e07\u80fd\u94a5\u5319\u3002\u5c3d\u7ba1\u5b58\u50a8\u5382\u5546\u9a6c\u4e0a\u5c31\u4f1a\u53cd\u9a73\u8bf4\u4ed6\u4eec\u7684\u6700\u65b0\u6280\u672f(\u4ece\u5206\u7ea7\u5b58\u50a8\u5230FCoE)\u80fd\u591f\u89e3\u51b3\u6570\u636e\u5b58\u50a8\u6027\u80fd\u7684\u95ee\u9898\uff0c\u4f46\u6ca1\u6709\u4eba\u4f1a\u50bb\u5230\u53ea\u53bb\u5173\u6ce8\u67d0\u4e00\u4e2a\u9886\u57df\u3002\u6700\u6709\u6548\u7684\u6027\u80fd\u4f18\u5316\u7b56\u7565\u5e94\u8be5\u4ece\u5206\u6790\u73b0\u6709\u7cfb\u7edf\u7684\u74f6\u9888\u5f00\u59cb\uff0c\u6700\u7ec8\u5236\u5b9a\u76f8\u5e94\u7684\u8ba1\u5212\u53bb\u89e3\u51b3\u5b83\u4eec\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u524d\u5b58\u50a8\u884c\u4e1a\u4e2d\u5f88\u591a\u516c\u53f8\u90fd\u5728\u5f00\u53d1\u4e0e\u5b58\u50a8\u4f18\u5316\u76f8\u5173\u7684\u4ea7\u54c1\u548c\u6280\u672f\uff0c\u65e2\u6709\u4f18\u5316\u4e3b\u673a\u7aef\u8bbf\u95ee\u7684\u65b9\u6848\uff0c\u4e5f\u6709\u63d0\u5347SAN\u5b58\u50a8\u6027\u80fd\u7684\u6280\u672f\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f88\u6709\u6f5c\u529b\u7684\u9886\u57df\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u8981\u4ecb\u7ecd\u4e00\u4e9b\u80fd\u591f\u6709\u6548\u63d0\u5347\u5b58\u50a8\u6027\u80fd\u7684\u65b9\u6cd5\uff0c\u800c\u4ee5\u5f80\u6211\u4eec\u5374\u7ecf\u5e38\u5ffd\u89c6\u5b83\u4eec\u3002 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