\t\u65e0\u8bba\u91c7\u7528SSD\u8fd8\u662f\u81ea\u5b9a\u4e49\u95ea\u5b58\u5361\uff0c\u5168\u95ea\u5b58\u9635\u5217\u5df2\u7136\u6210\u4e3a\u5b58\u50a8\u4e16\u754c\u4e2d\u8dd1\u8f66\u7ea7\u7684\u5b58\u5728\uff0c\u767e\u4e07\u7ea7\u7684IOPS\u4ee5\u53ca\u4e0e\u4e3b\u673a\u7cfb\u7edf\u7684\u5feb\u901f\u8fde\u63a5\u7b49\u7279\u6027\u4f7f\u5f97\u65e0\u4eba\u80fd\u51fa\u5176\u53f3\u3002\u4e00\u53f0\u9876\u7ea7\u7684\u5168\u95ea\u5b58\u9635\u5217\u53ef\u4ee5\u5728\u63d0\u4f9b4,000,000 IOPS\u7684\u540c\u65f6\uff0c\u518d\u642d\u914d\u4e24\u5757\u4ee5\u4e0a\u768440 Gbps\u4ee5\u592a\u7f51\u5361\u3002<\/p>\n
\t\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6df7\u5408\u5b58\u50a8\u9635\u5217\u5c31\u6210\u4e3a\u4e86\u884c\u4eba\u4e00\u822c\u7684\u5b58\u5728\u3002\u5c24\u5176\u662f\u5bf9\u4e8e\u652f\u63014\u52308\u5757SSD\u4f46\u6574\u4f53\u4e0a\u8fd8\u662f\u8981\u9760HDD\u6765\u6491\u8d77\u5927\u90e8\u5206\u5bb9\u91cf\u7684\u60c5\u51b5\uff0c\u8fd9\u7c7b\u9635\u5217\u7406\u8bba\u4e0a\u8981\u6bd4\u5168\u95ea\u5b58\u9635\u5217\u66f4\u4e3a\u4fbf\u5b9c\uff0c\u524d\u63d0\u662f\u540e\u8005\u7684\u5355\u4f4d\u5b58\u50a8\u6210\u672c\u8981\u66f4\u9ad8\u3002<\/p>\n
\t\u201c\u7406\u8bba\u4e0a\u201d\u8fd9\u4e2a\u8bcd\u513f\u5f88\u5173\u952e\u3002\u6bd5\u7adf\u5982\u679c\u8003\u8651\u5230\u4f20\u7edf\u9635\u5217\u7684\u9ad8\u5229\u6da6\uff0c\u90a3\u4e48\u4ef7\u683c\u5c06\u4f1a\u662f\u4e00\u4e2a\u5f88\u590d\u6742\u7684\u6570\u5b57\u3002\u8fd9\u4e5f\u4f7f\u5f97\u5168\u95ea\u5b58\u9635\u5217\u5382\u5546\u6709\u7684\u65f6\u5019\u4e5f\u53ea\u80fd\u8d54\u672c\u513f\u8d5a\u5406\u559d\u3002\u5373\u4fbf\u5982\u6b64\uff0c\u95ea\u5b58\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\u8fd8\u662f\u591a\u591a\u5c11\u5c11\u6709\u4e9b\u6602\u8d35\u3002<\/p>\n
\t\u5982\u679c\u6545\u4e8b\u5230\u8fd9\u91cc\u5c31\u7ed3\u675f\u4e86\uff0c\u90a3\u4e48\u5382\u5546\u4eec\u5c31\u53ef\u4ee5\u51ed\u7740\u5168\u95ea\u5b58\u7684\u6027\u80fd\u505a\u51fa\u66f4\u591a\u7684\u6587\u7ae0\u3002\u5728\u9ad8\u6027\u80fd\u8ba1\u7b97\u9886\u57df\uff0c\u5c24\u5176\u662f\u5728\u4ea4\u6613\u5e73\u53f0\u6216\u8005\u5de5\u7a0b\u6a21\u62df\u65b9\u9762\uff0c\u6027\u80fd\u5c31\u662f\u738b\u9053\uff0c\u8fd9\u6837\u4e00\u6765\u90a3\u4e9b\u80fd\u63d0\u4f9b4,000,000 IOPS\u7684\u9635\u5217\u8fd8\u6101\u627e\u4e0d\u5230\u4e70\u5bb6\u5417\uff1f\u4f46\u662f\u5bf9\u4e8e\u5927\u591a\u6570\u573a\u666f\uff0cTCO\u7684\u786e\u662f\u4e00\u4ef6\u4e0d\u5f97\u4e0d\u8003\u8651\u7684\u4e8b\u60c5\uff0c\u6709\u65f6\u5019\u5176\u91cd\u8981\u6027\u751a\u81f3\u8981\u9ad8\u4e8eIOPS\u3002<\/p>\n
\t\u6df7\u5408\u5b58\u50a8\u7684\u5356\u70b9\u5c31\u5728\u4e8e\u975e\u5168\u56fa\u6001\u3002\u5176\u4f59\u7684\u5730\u65b9\u53ef\u4ee5\u6362\u6210\u66f4\u4e3a\u5ec9\u4ef7\u7684\u3001\u6162\u901f\u7684\u786c\u76d8\u3002\u867d\u7136\u5168\u95ea\u5b58\u9635\u5217\u5382\u5546\u53ea\u63a8\u56fa\u6001\u5b58\u50a8\uff0c\u4f46\u662f\u4ed6\u4eec\u5374\u6084\u6084\u5f15\u5165\u4e86\u81ea\u52a8\u5206\u5c42\u6280\u672f\uff0c\u8fdb\u800c\u62d6\u6162\u4e86\u6574\u53f0\u5b58\u50a8\u7684\u6027\u80fd\uff0c\u4e5f\u5305\u62ec\u4e91\u5b58\u50a8\u6216\u8005\u5bf9\u8c61\u5b58\u50a8\u3002\u5168\u95ea\u5b58\u6700\u521d\u7684\u9500\u552e\u5efa\u8bae\u53ea\u662f\u987a\u5e26\u52a0\u5feb\u73b0\u6709SAN\u73af\u5883\u7684\u901f\u5ea6\uff0c\u6ca1\u60f3\u5230\u6700\u540e\u5374\u6210\u4e3a\u4e86\u6700\u5927\u7684\u5671\u5934\u3002<\/p>\n
\t\u7136\u800c\uff0c\u5c31\u50cf\u5356\u5bb6\u8bf4\u7684\u90a3\u6837\uff0c\u201c\u6162\u7740\uff0c\u6211\u4eec\u8fd8\u6709\u597d\u8d27\uff01\u201d\u9635\u5217\u63a7\u5236\u5668\u5728\u529f\u80fd\u6027\u4e0a\u8d77\u7740\u5f88\u5927\u7684\u4f5c\u7528\u3002\u5bf9\u4e8e\u4e00\u53f0\u5e38\u89c1\u7684\u5168\u95ea\u5b58\u9635\u5217\u6765\u8bf4\uff0c\u6570\u636e\u538b\u7f29\u529f\u80fd\u5c31\u5177\u6709\u5f88\u591a\u8d85\u8fc7\u4f20\u7edfRAID\u9635\u5217\u7684\u4f18\u52bf\u3002\u7531\u4e8e\u73b0\u6709\u5e26\u5bbd\u5df2\u7ecf\u8db3\u591f\u6ee1\u8db3\u8ddf\u670d\u52a1\u5668\u95f4\u7684\u6b63\u5e38\u901a\u4fe1\uff0c\u5168\u95ea\u5b58\u9635\u5217\u5219\u5229\u7528\u90e8\u5206\u591a\u4f59\u5e26\u5bbd\u5728\u540e\u53f0\u8fdb\u884c\u6570\u636e\u538b\u7f29\u64cd\u4f5c\u3002\u5728\u767e\u4e07\u7ea7IOPS\u8fd9\u4e2a\u7ea7\u522b\u4e0a\uff0c\u8be5\u64cd\u4f5c\u5c06\u4f1a\u6d88\u8017\u6389\u76f8\u5f53\u4e00\u90e8\u5206\u8ba1\u7b97\u80fd\u529b\u548cIOPS\u3002\u7531\u4e8e\u5168\u95ea\u5b58\u9635\u5217\u62e5\u6709\u8db3\u591f\u7684\u8ba1\u7b97\u80fd\u529b\u6765\u652f\u6301\u540e\u53f0\u538b\u7f29\uff0c\u8fd9\u4e5f\u4f7f\u5f97\u5176\u53ef\u4ee5\u5b8c\u7206\u4f20\u7edf\u7684\u6df7\u5408\u5b58\u50a8\u9635\u5217\u3002<\/p>\n
\t\u8fd9\u4e2a\u538b\u7f29\u64cd\u4f5c\u6240\u5e26\u6765\u7684\u76f4\u63a5\u5f71\u54cd\u5c31\u662f\uff0c\u95ea\u5b58\u4ee5\u53ca\u4efb\u4f55\u9644\u5e26\u7684HDD\u6216\u8005\u5bf9\u8c61\u5b58\u50a8\u7684\u7a7a\u95f4\u5c06\u4f1a\u63d0\u53475\u500d\u5de6\u53f3\u3002\u8fd9\u5bf9\u5168\u95ea\u5b58\u9635\u5217\u7684\u9ad8\u6602\u6210\u672c\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u8d77\u5230\u4e86\u5e73\u8861\u4f5c\u7528\u3002<\/p>\n
\t\u800c\u8fd9\u79cd\u5f71\u54cd\u5728\u5e02\u573a\u4e0a\u7684\u8868\u73b0\u5219\u662f\u53cc\u91cd\u7684\u3002\u5168\u95ea\u5b58\u548c\u6df7\u5408\u9635\u5217\u6b63\u5728\u5feb\u901f\u5360\u9886\u4f20\u7edfRAID\u9635\u5217\u7684\u5e02\u573a\u3002IDC\u62a5\u544a\u663e\u793a\uff0c\u5168\u95ea\u5b58\u9635\u5217\u57282016\u5e74\u7b2c\u4e8c\u5b63\u5ea6\u897f\u6b27\u7684\u5916\u90e8\u5b58\u50a8\u5e02\u573a\u7684\u5360\u6709\u7387\u4e3a17%\uff0c\u800c\u6df7\u5408\u5b58\u50a8\u9635\u5217\u7684\u5360\u6709\u7387\u5219\u4e3a46%\u3002<\/p>\n
\t\u5982\u679c\u6211\u4eec\u770b\u770b\u4eca\u540e\u7684\u53d1\u5c55\u60c5\u51b5\uff0c\u5c31\u4f1a\u53d1\u73b0\u95ea\u5b58\u7684\u6210\u672c\u5c06\u4f1a\u4e0a\u5347\u30022017\u5e74\u5e74\u4e2d\u500d\u53d7\u9752\u7750\u7684\u95ea\u5b58\u6280\u672f\u5c06\u4f1a\u662f3D NAND\uff0c\u968f\u4e4b\u800c\u6765\u7684\u5219\u662f\u5355\u5757\u6676\u7247\u7684\u5bb9\u91cf\u63d0\u5347\u3002\u5c3d\u7ba1\u5236\u9020\u5355\u5757\u6676\u7247\u6216\u8005\u6a21\u5177\u7684\u6210\u672c\u5728\u5927\u5e45\u5ea6\u63d0\u5347\uff0c\u4f46\u662f\u5355\u4f53\u5bb9\u91cf\u7684\u589e\u957f\u901f\u5ea6\u5374\u8981\u8fdc\u8d85\u4e0e\u6b64\uff0c\u6240\u4ee5\uff0c\u95ea\u5b58\u7684\u4ef7\u683c\u5c06\u4f1a\u57282017\u5e74\u540e\u534a\u6bb5\u51fa\u73b0\u660e\u663e\u4e0b\u964d\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u4f1a\u770b\u5230\u4f1a\u6709\u4e00\u5927\u6279\u95ea\u5b58\u6676\u7247\u5382\u5546\u968f\u4e4b\u4e0a\u7ebf\u6295\u4ea7\u3002<\/p>\n
\t\u8fd9\u79cd\u6a21\u5177\u6210\u672c\u7684\u53d8\u5316\u8d8b\u52bf\u5c06\u4f1a\u5bf9\u5168\u95ea\u5b58\u9635\u5217\u76f8\u5bf9\u4e8e\u6df7\u5408\u9635\u5217\u5728\u4ef7\u683c\u4f53\u7cfb\u4e0a\u5e26\u6765\u5f88\u591a\u5e2e\u52a9\u3002HDD\u5c06\u4f1a\u57282018\u5e74\u968f\u7740\u66f4\u5927\u5bb9\u91cfSSD\u7684\u51fa\u73b0\u800c\u5bff\u7ec8\u6b63\u5bdd\uff0c\u59822016 Flash Memory Summit\u4e0a\u6240\u63cf\u8ff0\u7684\u90a3\u6837\uff0cSamsung\u8ba1\u5212\u57282020\u5e74\u53d1\u5e03\u7684100TB SSD\u5c06\u4f1a\u53d6\u4ee3\u90a3\u4e9b\u5bb9\u91cf\u572810TB\u81f315TB\u4e4b\u95f4\u7684\u4f4e\u5bb9\u91cf\u4f01\u4e1a\u7ea7\u8fd1\u7ebf\uff08nearline\uff09\u786c\u76d8\u3002\u5982\u679c\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u770b\uff0c\u5168\u95ea\u5b58\u5b58\u50a8\u6700\u7ec8\u5c06\u4f1a\u8d62\u5f97\u8fd9\u573a\u6218\u4e89\u3002<\/p>\n
\t\u7136\u800c\uff0c\u53d7\u5230\u6700\u65b0\u4e00\u4ee3\u9876\u7ea7\u95ea\u76d8\u73b0\u8c61\u7ea7\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5168\u95ea\u5b58\u7684\u7279\u6027\u6b63\u5728\u4e0d\u65ad\u53d8\u5316\u3002\u76ee\u524d\u6765\u8bf4\uff0c\u5355\u5757SSD\u5c31\u53ef\u4ee5\u5b9e\u73b010,000,000 IOPS\uff0c\u800c\u4e14\u6211\u4eec\u9884\u6d4b\u5230\u8fd9\u4e2a\u6570\u5b57\u8fd8\u4f1a\u7ee7\u7eed\u589e\u957f\u3002\u5982\u679c\u8981\u628a\u4ec5\u4ec5\u51e0\u5757\u8fd9\u79cd\u7ea7\u522b\uff08\u6216\u8005\u540c\u7c7b\u4ea7\u54c1\uff09\u7684\u786c\u76d8\u6302\u5230\u4e00\u4e2a\u5355\u72ec\u7684\u673a\u67dc\u91cc\uff0cI\/O\u5e26\u5bbd\u7684\u6700\u7ec8\u5b9e\u73b0\u5219\u9700\u8981\u4e00\u79cd\u66f4\u4e3a\u7d27\u51d1\u7684\u7cfb\u7edf\u8bbe\u8ba1\u3002<\/p>\n
\t\u8fd9\u79cd\u7c7b\u578b\u7684\u4ea7\u54c1\u5df2\u7ecf\u5728\u8d85\u878d\u5408\u7cfb\u7edf\u5e02\u573a\u4e0a\u51fa\u73b0\u4e86\uff0c\u5176\u5e55\u540e\u63a8\u624b\u4e0d\u662f\u5ec9\u4ef7\u7684\u63a7\u5236\u5668\uff0c\u800c\u662f\u6027\u80fd\u5f3a\u52b2\u7684\u670d\u52a1\u5668\u5f15\u64ce\u3002\u501f\u52a9SSD\u4f53\u79ef\u7684\u4f18\u52bf\uff08100TB\u786c\u76d8\u4ec5\u4e3a2.5\u82f1\u5bf8\uff09\uff0c\u8d85\u878d\u5408\u7cfb\u7edf\u6709\u66f4\u591a\u7684\u7a7a\u95f4\u4e3a\u5176\u670d\u52a1\u5668\u914d\u7f6e\u901f\u5ea6\u8d85\u5feb\u7684\u5185\u7f6e\u786c\u76d8\u4ee5\u53ca\u5b58\u50a8\u7528\u786c\u76d8\uff0c\u5f53\u7136\u6240\u6709\u8fd9\u4e9b\u90fd\u91c7\u7528\u4e86\u6570\u636e\u538b\u7f29\u529f\u80fd\u3002\u52302018\u5e74\uff0c\u8fd9\u6837\u4e00\u53f02U\u7684\u4ea7\u54c1\u5c06\u4f1a\u62e5\u6709200TB\u7684\u670d\u52a1\u5668\u5b58\u50a8\u4ee5\u53ca2PB\u7684\u4e8c\u7ea7\u5b58\u50a8\uff0c\u538b\u7f29\u6bd4\u4e3a5\uff1a1\u3002<\/p>\n
\t\u4ece\u672c\u8d28\u4e0a\u6765\u770b\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u548c\u5168\u95ea\u5b58\u9635\u5217\u5728\u67d0\u6bb5\u65f6\u95f4\u662f\u6781\u5176\u76f8\u4f3c\u7684\uff0c\u53ea\u4e0d\u8fc7\u540e\u8005\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4ecd\u7136\u91c7\u7528\u4e86\u53cc\u63a7\u5236\u5668\u52a0\u4e13\u7528\u95ea\u76d8\u7684\u914d\u7f6e\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u7559\u7ed9\u6df7\u5408\u5b58\u50a8\u7684\u751f\u5b58\u7a7a\u95f4\u5c31\u771f\u7684\u4e0d\u591a\u4e86\u3002<\/p>\n
\t\u63a5\u53e3\u7684\u95ee\u9898\u7ec8\u7a76\u662f\u8981\u88ab\u8fdb\u4e00\u6b65\u843d\u5b9e\u7684\u3002\u4eca\u5929\u7684\u5168\u95ea\u5b58\u9635\u5217\u4f9d\u7136\u652f\u6301Fibre Channel\uff08FC\uff09\uff0c\u548c\u5b83\u4eec\u4e4b\u524d\u4f5c\u4e3aSAN\u52a0\u901f\u5668\u7684\u65f6\u5019\u6ca1\u4ec0\u4e48\u533a\u522b\u3002\u4f46\u662f\u4e3a\u4e86\u66f4\u597d\u5730\u5e94\u5bf92017\u5e74\u7684\u6570\u636e\u6d2a\u6d41\uff0c\u7f51\u7edc\u6027\u80fd\u7684\u63d0\u5347\u52bf\u5728\u5fc5\u884c\u3002\u8fd9\u5176\u4e2d\u5c31\u5305\u62ec\u4e86RDMA\uff0c\u8be5\u6280\u672f\u5c06\u4f1a\u4fc3\u4f7fNVM Express over Fabrics\u7684\u51fa\u73b0\uff0c\u8fd9\u4e5f\u662f\u4e00\u79cd\u5bf9\u76ee\u524d\u7528\u5728\u9876\u7ea7SSD\u4e2d\u7684NVME\u8bbf\u95ee\u534f\u8bae\u7684\u6269\u5c55\u3002<\/p>\n
\t\u6211\u4eec\u76ee\u524d\u6b63\u5904\u5728\u201cFabric\u201d\u53d1\u5c55\u7684\u5c94\u8def\u53e3\u3002RDMA\u662fEthernet\u548cInfiniBand\u5e02\u573a\u7684\u4e3b\u6d41\uff0c\u800c\u5c31\u76ee\u524d\u60c5\u51b5\u770b\uff0c\u524d\u8005\u5df2\u7ecf\u7a33\u64cd\u80dc\u5238\u3002\u7136\u800c\u8fd9\u5c31\u5c06FC\u63a8\u5230\u4e86\u524d\u7ebf\uff0c\u4e0d\u4ec5\u5728\u6027\u80fd\u548c\u5e02\u573a\u53d1\u5c55\u4e0a\u90fd\u4e0d\u5177\u4f18\u52bf\uff0c\u800c\u4e14\u8fd8\u6ca1\u6709RDMA\u7684\u7ecf\u9a8c\u3002<\/p>\n
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