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(Out-0f-band)\u53c8\u79f0\u975e\u5bf9\u79f0\u5b58\u50a8\u865a\u62df\u5316\u6280\u672f\uff0c\u5e26\u5916\u5b58\u50a8\u865a\u62df\u5316\u8bbe\u5907\u5b89\u88c5\u5728\u4e3b\u673a\u548c\u5b58\u50a8\u4e4b\u95f4\u7684\u6570\u636e\u901a\u9053\u4e4b\u5916\uff0c\u56e0\u800c\u4e3b\u673a\u4e2d\u9700\u8981\u5b89\u88c5\u4e13\u95e8\u7684\u8f6f\u4ef6;\u800c\u5206\u79bb\u8def\u5f84\u5b58\u50a8\u865a\u62df\u5316\u6280\u672f\u7efc\u5408\u4e86\u5e26\u5185\u548c\u5e26\u5916\u6280\u672f\u7684\u4f18\u70b9\uff0c\u5728\u4e0e\u8f6f\u4ef6\u7ed1\u5b9a\u7684\u5f00\u5173\u6216\u8005\u4ea7\u54c1\u4e2d\u91c7\u7528\u5b58\u50a8\u670d\u52a1\u6a21\u5757\u6216\u8005\u9002\u914d\u5668\u5b9e\u73b0\u5b58\u50a8\u865a\u62df\u5316\u3002\u901a\u8fc7\u5b58\u50a8\u865a\u62df\u5316\uff0c\u5b9e\u73b0\u5b58\u50a8\u7cfb\u7edf\u7684\u6574\u5408\uff0c\u63d0\u9ad8\u5b58\u50a8\u7a7a\u95f4\u7684\u5229\u7528\u7387\uff0c\u7b80\u5316\u7cfb\u7edf\u7684\u7ba1\u7406\uff0c\u4fdd\u62a4\u539f\u6709\u6295\u8d44\u3001\u63d0\u9ad8\u8fd0\u8425\u6548\u7387\u3001\u63d0\u5347\u670d\u52a1\u6c34\u5e73\u3002<\/p>\n<p>2.2 MAID<\/p>\n<p>MAID(Massive Array of Idle Disks\uff0c\u5927\u89c4\u6a21\u975e\u6d3b\u52a8\u78c1\u76d8\u9635\u5217)\u3002MAID\u6700\u521d\u7684\u7406\u8bba\u4f9d\u636e\u6765\u81ea&quot;80\/20&quot;\u5b9a\u5f8b\uff0c\u5177\u4f53\u6765\u8bf4\u5c31\u662f80%\u7684\u8bbf\u95ee\u6d3b\u52a8\u56f4\u7ed5\u774020%\u7684\u7269\u7406\u5b58\u50a8\u8fdb\u884c\u3002\u636e\u6b64\uff0c\u4eba\u4eec\u8ba4\u8bc6\u5230\uff1a\u90a3\u4e9b\u6682\u65f6\u6ca1\u6709\u6570\u636e\u88ab\u8bbf\u95ee\u7684\u78c1\u76d8\u9a71\u52a8\u5668\uff0c\u5b8c\u5168\u53ef\u4ee5\u8fdb\u5165\u80fd\u8017\u76f8\u5bf9\u8f83\u4f4e\u7684\u5f85\u673a\u72b6\u6001\uff0c\u751a\u81f3\u5b8c\u5168\u5173\u95ed\uff0c\u9700\u8981\u8bbf\u95ee\u65f6\u518d&quot;\u5524\u9192&quot;\u4e5f\u6765\u5f97\u53ca\uff0c\u4ece\u800c\u8fbe\u5230\u8282\u80fd\u7684\u6548\u679c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u7cfb\u7edf\u57282\u5206\u949f\u5185\u6ca1\u6709\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u8bfb\u53d6\u5934\u5c31\u4f1a\u81ea\u884c\u505c\u7559\u81f3\u6ca1\u6709\u5b58\u53d6\u6570\u636e\u7684\u5730\u65b9\uff0c\u4ee5\u8282\u7701\u8bfb\u5199\u5934\u7684\u529f\u8017;\u8fc7\u4e8610\u5206\u949f\u540e\u82e5\u4ecd\u6ca1\u6709\u8bfb\u53d6\uff0c\u5c31\u4f1a\u8fdb\u5165\u4e0b\u4e00\u9636\u6bb5\uff0c\u786c\u76d8\u8f6c\u901f\u5c06\u4ece7000rpm\u964d\u4f4e\u81f34 000rpm;\u82e5\u8fc7\u4e8615\u5206\u949f\u540e\u4ecd\u6ca1\u6709\u8bfb\u53d6\u6570\u636e\uff0c\u5c31\u4f1a\u8fdb\u5165\u7b2c\u4e09\u9636\u6bb5\u3002\u786c\u76d8\u4f1a\u505c\u6b62\u8fd0\u8f6c\uff0c\u7b49\u5230\u7cfb\u7edf\u547c\u53eb\u65f6\u518d\u542f\u52a8\u3002\u91c7\u7528MAID\u7684\u7cfb\u7edf\u901a\u8fc7\u4ec5\u5728\u9700\u8981\u7684\u65f6\u5019\u6253\u5f00\u7535\u6e90\u7684\u65b9\u5f0f\u964d\u4f4e\u4e86\u7cfb\u7edf\u7684\u8fd0\u884c\u6210\u672c\uff0c\u63d0\u9ad8\u4e86\u786c\u76d8\u7684\u53ef\u9760\u6027\uff0c\u6709\u5229\u4e8e\u589e\u5f3a\u6570\u636e\u4fdd\u62a4\u3002<\/p>\n<p>2.3 \u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e(Thin Provisioning)<\/p>\n<p>\u5728\u4f20\u7edf\u7684\u5b58\u50a8\u7cfb\u7edf\u4e2d\uff0c\u5f53\u67d0\u9879\u5e94\u7528\u9700\u8981\u4e00\u90e8\u5206\u5b58\u50a8\u7a7a\u95f4\u7684\u65f6\u5019\uff0c\u5f80\u5f80\u662f\u9884\u5148\u4ece\u540e\u7aef\u5b58\u50a8\u7cfb\u7edf\u4e2d\u5212\u5206\u51fa\u4e00\u90e8\u5206\u8db3\u591f\u5927\u7684\u7a7a\u95f4\u9884\u5148\u5206\u914d\u7ed9\u8be5\u9879\u5e94\u7528\uff0c\u5373\u4f7f\u8fd9\u9879\u5e94\u7528\u6682\u65f6\u4e0d\u9700\u8981\u4f7f\u7528\u8fd9\u4e48\u5927\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u4f46\u7531\u4e8e\u8fd9\u90e8\u5206\u5b58\u50a8\u7a7a\u95f4\u5df2\u7ecf\u88ab\u9884\u7559\u4e86\u51fa\u6765\uff0c\u5176\u5b83\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u5229\u7528\u8fd9\u4e9b\u5df2\u7ecf\u90e8\u7f72\u4f46\u95f2\u7f6e\u7684\u5b58\u50a8\u5bb9\u91cf\u3002\u8fd9\u79cd\u5206\u914d\u6a21\u5f0f\u4e00\u65b9\u9762\u4f7f\u95f2\u7f6e\u7684\u5b58\u50a8\u6570\u91cf\u4e0d\u65ad\u589e\u52a0\uff0c\u7cfb\u7edf\u603b\u4f53\u62e5\u6709\u6210\u672c\u5347\u9ad8;\u53e6\u4e00\u65b9\u9762\u7528\u6237\u4e0d\u5f97\u4e0d\u8d2d\u4e70\u66f4\u5927\u7684\u5b58\u50a8\u5bb9\u91cf\uff0c\u624d\u80fd\u9002\u5e94\u73af\u5883\uff0c\u6210\u672c\u8fdb\u4e00\u6b65\u52a0\u5927\u2116j\u3002\u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e\u662f\u4e00\u9879\u65b0\u7684\u5bb9\u91cf\u5206\u914d\u7684\u6280\u672f\uff0c\u4e0d\u4f1a\u4e00\u6b21\u6027\u7684\u5212\u5206\u8fc7\u5927\u7684\u7a7a\u95f4\u7ed9\u67d0\u9879\u5e94\u7528\uff0c\u800c\u662f\u6839\u636e\u8be5\u9879\u5e94\u7528\u5b9e\u9645\u6240\u9700\u8981\u7684\u5bb9\u91cf\uff0c\u591a\u6b21\u7684\u5c11\u91cf\u7684\u5206\u914d\u7ed9\u5e94\u7528\u7a0b\u5e8f\uff0c\u5f53\u8be5\u9879\u5e94\u7528\u6240\u4ea7\u751f\u7684\u6570\u636e\u589e\u957f\uff0c\u5206\u914d\u7684\u5bb9\u91cf\u7a7a\u95f4\u5df2\u4e0d\u591f\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u4f1a\u518d\u6b21\u4ece\u540e\u7aef\u5b58\u50a8\u6c60\u4e2d\u8865\u5145\u5206\u914d\u4e00\u90e8\u5206\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e\u7684\u5de5\u4f5c\u539f\u7406\u4e0e\u90e8\u5206\u50a8\u5907\u91d1\u4f53\u7cfb\u7684\u539f\u7406\u76f8\u4f3c\uff0c\u94f6\u884c\u65e0\u9700\u4e00\u6b21\u652f\u4ed8\u6240\u6709\u7684\u50a8\u5907\u91d1\uff0c\u56e0\u6b64\u4e5f\u6ca1\u6709\u4eba\u4e00\u6b21\u52a8\u7528\u6240\u6709\u7684\u5b58\u50a8\u8d44\u6e90\u3002\u5229\u7528\u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e\u6280\u672f\uff0c\u80fd\u591f\u5e2e\u52a9\u7528\u6237\u5728\u4e0d\u964d\u4f4e\u6027\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u63d0\u9ad8\u78c1\u76d8\u5b58\u50a8\u7a7a\u95f4\u7684\u5229\u7528\u7387\uff0c\u63a8\u8fdf\u7528\u6237\u78c1\u76d8\u6269\u5bb9\u7684\u65f6\u95f4\uff0c\u51cf\u5c11\u78c1\u76d8\u8d2d\u4e70\u6570\u91cf\uff0c\u63d0\u9ad8\u5b58\u50a8\u6027\u80fd\uff0c\u51cf\u5c11\u73af\u5883\u5bf9\u5b58\u50a8\u7684\u538b\u529b\uff0c\u964d\u4f4e\u603b\u4f53\u5b9e\u73b0\u6210\u672c\uff0c\u4ece\u800c\u964d\u4f4e\u7cfb\u7edf\u7684\u6574\u4f53\u80fd\u8017\u3001\u51b7\u5374\u6210\u672c\u3001\u4ee5\u53ca\u4e8c\u6c27\u5316\u78b3\u6392\u653e\u91cf\uff0c\u7b26\u5408\u7eff\u8272\u5b58\u50a8\u7684\u8981\u6c42\u3002<\/p>\n<p>2.4\u91cd\u590d\u6570\u636e\u5220\u9664\u6280\u672f(Data Deduplication)<\/p>\n<p>\u4e3a\u4e86\u786e\u4fdd\u4e1a\u52a1\u7684\u8fde\u7eed\u3001\u7528\u6237\u7684\u7a33\u5b9a\uff0c\u5bf9\u5173\u952e\u6570\u636e\u8fdb\u884c\u5907\u4efd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\uff0c\u5728\u6bcf\u4e00\u4e2a\u6570\u636e\u8d44\u6e90\u4e2d\u5fc3\uff0c\u65e5\u590d\u4e00\u65e5\u7684\u5907\u4efd\u64cd\u4f5c\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u5197\u4f59\u6570\u636e\uff0c\u5360\u7528\u5927\u91cf\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u57fa\u4e8e\u6b64\uff0c\u4e00\u79cd\u65b0\u7684\u6570\u636e\u7ba1\u7406\u65b9\u5f0f\u4e00\u91cd\u590d\u6570\u636e\u5220\u9664\u6280\u672f\u5e94\u8fd0\u800c\u751f\u4e86\u3002\u8be5\u6280\u672f\u9488\u5bf9\u4e0d\u540c\u7684\u5b58\u50a8\u4ecb\u8d28\u3001\u4e0d\u540c\u7684\u64cd\u4f5c\u5e73\u53f0\uff0c\u5f15\u7528\u4e00\u79cd\u57fa\u4e8e\u6570\u636e\u5757\u3001\u53ef\u4ee5\u4eba\u4e3a\u63a7\u5236\u6570\u636e\u7a7a\u95f4\u7684\u65b9\u5f0f\u6765\u5220\u9664\u5197\u4f59\u6570\u636e\uff0c\u53ea\u4e3a\u76f8\u540c\u7684\u6570\u636e\u4fdd\u7559\u4e00\u4efd\u526f\u672c\uff0c\u5176\u4ed6\u88ab\u5220\u9664\u7684\u91cd\u590d\u6570\u636e\u5c06\u7531\u4e00\u4e2a\u6307\u5411\u5143\u6570\u636e\u7684\u7684\u6307\u9488\u6240\u4ee3\u66ff\uff0c\u53ef\u4ee5\u5927\u5e45\u5ea6\u5730\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n<p>\u91cd\u590d\u6570\u636e\u5220\u9664\u53ef\u4ee5\u5bf9\u6587\u4ef6\u3001\u6570\u636e\u5757\u6216\u8005\u5b57\u8282\u7ea7\u8fdb\u884c\u64cd\u4f5c\u3002\u5b9e\u73b0\u91cd\u590d\u6570\u636e\u5220\u9664\u7684\u65b9\u5f0f\u4e3b\u8981\u6709\u4e24\u79cd\uff1a\u7b2c\u4e00\u79cd\u5728\u6570\u636e\u5199\u5165\u78c1\u76d8\u4e4b\u524d\u8fdb\u884c\u5224\u65ad\uff0c\u53d1\u73b0\u91cd\u590d\u6570\u636e\u4fbf\u4ee5\u6307\u9488\u4ee3\u66ff\uff0c\u79f0\u4e3a\u5b9e\u65f6\u5904\u7406(in-line)\uff0c\u4f18\u70b9\u662f\u6240\u9700\u78c1\u76d8\u7a7a\u95f4\u8f83\u5c11\u3002\u7f3a\u70b9\u662f\u5bf9CPU\u5904\u7406\u80fd\u529b\u8981\u6c42\u9ad8;\u7b2c\u4e8c\u79cd\u5728\u6570\u636e\u5199\u5165\u78c1\u76d8\u4e4b\u540e\u624d\u542f\u52a8\u53bb\u91cd\u8fc7\u7a0b\uff0c\u5373\u6240\u8c13\u7684\u540e\u5904\u7406(post-processing)\uff0c\u4f18\u70b9\u662f\u5bf9CPU\u5904\u7406\u80fd\u529b\u8981\u6c42\u4e0d\u662f\u5f88\u9ad8\uff0c\u7f3a\u70b9\u662f\u5fc5\u987b\u4fdd\u7559\u8f83\u5927\u7684\u78c1\u76d8\u7a7a\u95f4\u4f5c\u4e3a\u4e34\u65f6\u5de5\u4f5c\u533a\u3002\u4e0d\u8bba\u91c7\u7528\u54ea\u79cd\u65b9\u5f0f\u3002\u901a\u8fc7\u91cd\u590d\u6570\u636e\u5220\u9664\u90fd\u53ef\u4ee5\u6781\u5927\u5730\u4f18\u5316\u5b58\u50a8\u7cfb\u7edf\uff0c\u51cf\u5c11\u6570\u636e\u91cf\uff0c\u4ece\u800c\u964d\u4f4e\u80fd\u8017\u4ee5\u53ca\u51cf\u5c11\u4ea7\u751f\u7684\u70ed\u91cf\u3002<\/p>\n<p>2.5 \u5206\u7ea7\u5b58\u50a8(Hierarchical Storage 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