{"id":2852,"date":"2011-08-11T10:43:00","date_gmt":"2011-08-11T02:43:00","guid":{"rendered":""},"modified":"2011-08-11T10:43:00","modified_gmt":"2011-08-11T02:43:00","slug":"","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/2852.html","title":{"rendered":"\u5b58\u50a8\u77e5\u8bc6\u5927\u8d77\u5e95\uff1a\u4f01\u4e1a\u7ea7\u5b58\u50a8\u6d4b\u8bd5\u6280\u5de7"},"content":{"rendered":"

\u76f8\u5bf9\u5df2\u6709\u8fd160\u5e74\u5386\u53f2\u7684\u786c\u9a71\u6280\u672f\u800c\u8a00\uff0cSSD\u662f\u76f8\u5bf9\u8f83\u65b0\u7684\u6280\u672f\u3002\u4e0d\u8fc7\uff0c\u5bf9\u4e8e\u786c\u9a71\u6280\u672f\uff0c\u6211\u4eec\u4e86\u89e3\u51e0\u5206\u5462?\u4ece\u4e24\u4e2a\u91cd\u8981\u7684\u8bd5\u9a8c\u4e2d\u6216\u8bb8\u53ef\u4ee5\u770b\u5230\u4e9b\u7aef\u502a\u3002\u65f6\u95f4\u56de\u52302007\u5e74\uff0cGoogle\u516c\u5e03\u4e86\u4e00\u9879\u9488\u5bf910\u4e07\u7528\u6237\u7684PATA\u548cSATA\u9a71\u52a8\u53ef\u9760\u6027\u7684\u8c03\u67e5\u3002Bianca Schroeder\u535a\u58eb\u4e0eGarth Gibson\u535a\u58eb\u8ba1\u7b97\u4e86\u4e00\u4e9b\u5927\u578b\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u4e2d\u768410\u4e07\u591a\u4e2a\u9a71\u52a8\u7684\u66ff\u6362\u7387\u3002\u5dee\u522b\u53ea\u5728\u4e8e\u4ed6\u4eec\u8fd8\u8986\u76d6\u5230\u4e86\u4f01\u4e1aSCSI\uff0cSATA\u548c\u5149\u7ea4\u901a\u9053\u9a71\u52a8\u3002<\/p>\n

\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u9605\u8bfb\u8fc7\u76f8\u5173\u7684\u6587\u7ae0\uff0c\u5f3a\u70c8\u5efa\u8bae\u4f60\u81f3\u5c11\u8bfb\u4e00\u8bfb\u7b2c\u4e8c\u4e2a\u7814\u7a76\u7684\u76f8\u5173\u6587\u7ae0\u3002\u800c\u5982\u679c\u4f60\u4e0d\u60f3\u53bb\u770b\u5b66\u672f\u6027\u7684\u62a5\u544a\uff0c\u4e5f\u53ef\u4ee5\u4e86\u89e3\u4e00\u4e0b\u6211\u4eec\u7684\u7b80\u4ecb\u3002<\/p>\n

MTTF \u901f\u7387<\/strong><\/p>\n

\u8fd8\u8bb0\u5f97MTBF\u610f\u5473\u7740\u4ec0\u4e48\u4e48?\u6211\u4eec\u4ee5\u5e0c\u6377Barracuda 7200.7\u4e3a\u4f8b\uff0c\u5b83\u7684MTBF\u901f\u7387\u8fbe\u523060\u4e07\u5c0f\u65f6\u3002\u5728\u6570\u91cf\u8f83\u5927\u7684\u65f6\u5019\uff0c\u6211\u4eec\u9884\u8ba1\u6709\u4e00\u534a\u7684\u9a71\u52a8\u4f1a\u5728\u7b2c\u4e00\u6b2160\u4e07\u5c0f\u65f6\u7684\u64cd\u4f5c\u4e2d\u51fa\u73b0\u6545\u969c\u3002\u5047\u8bbe\u8fd9\u4e9b\u6545\u969c\u5728\u65f6\u95f4\u4e0a\u5e73\u5747\u5206\u5e03\uff0c\u5373\u6bcf\u5c0f\u65f6\u51fa\u73b0\u4e00\u6b21\u3002\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a1.44%\u7684\u5e74\u5ea6\u6545\u969c\u7387(AFR)\u3002<\/p>\n

\u4f46\u8fd9\u5e76\u4e0d\u662fGoogle\u6216Schroeder\u535a\u58eb\u7684\u53d1\u73b0\uff0c\u56e0\u4e3a\u6545\u969c\u5e76\u4e0d\u7b49\u540c\u4e8e\u66f4\u6362\u78c1\u76d8\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48Schroeder\u535a\u58eb\u8981\u5bf9\u5e74\u66f4\u6362\u7387(ARR)\u8fdb\u884c\u7edf\u8ba1\u7684\u539f\u56e0\u3002\u56e0\u4e3a\u8fd9\u4e00\u6570\u636e\u662f\u6839\u636e\u670d\u52a1\u8bb0\u5f55\u7edf\u8ba1\uff0c\u57fa\u4e8e\u5b9e\u9645\u78c1\u76d8\u66f4\u6362\u6570\u91cf<\/p>\n

\u867d\u7136\u6570\u636e\u8868\u7684AFR\u4ecb\u4e8e0.58%\u52300.88%\u4e4b\u95f4\uff0cARR\u503c\u4ecb\u4e8e0.5%\u548c13.5%\u4e4b\u95f4\u3002\u6240\u4ee5\u6570\u636e\u96c6\u548c\u7c7b\u578b\u7684ARR\u662f\u6570\u636e\u8868AFR\u768415\u500d\u3002<\/p>\n

\u9a71\u52a8\u5236\u9020\u5546\u5bf9\u6545\u969c\u7684\u5b9a\u4e49\u4e0e\u6211\u4eec\u7684\u4e0d\u540c\uff0c\u6240\u4ee5\u4ed6\u4eec\u5f3a\u8c03\u9a71\u52a8\u7684\u53ef\u9760\u6027\u4e5f\u5c31\u4e0d\u8db3\u4e3a\u5947\u4e86\u3002\u901a\u5e38\uff0cMTBF\u901f\u7387\u662f\u57fa\u4e8e\u52a0\u901f\u5bff\u547d\u6d4b\u8bd5\uff0c\u8fd4\u56de\u5355\u5143\u6570\u636e\u6216\u662f\u88ab\u6d4b\u9a71\u52a8\u6c60\u3002\u4e0d\u8fc7\u4f9b\u5e94\u5546\u8fd4\u56de\u7684\u6570\u636e\u503c\u5f97\u6000\u7591\u3002<\/p>\n

\u9a71\u52a8\u968f\u65f6\u95f4\u53d8\u5316\u800c\u51fa\u73b0\u6545\u969c<\/strong><\/p>\n

\"\u5b58\u50a8\u77e5\u8bc6\u5927\u8d77\u5e95\uff1a\u4f01\u4e1a\u7ea7\u5b58\u50a8\u6d4b\u8bd5\u6280\u5de7\"<\/p>\n

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\u4f01\u4e1a\u9a71\u52a8\u53ef\u9760\u6027<\/strong><\/p>\n

\"\u5b58\u50a8\u77e5\u8bc6\u5927\u8d77\u5e95\uff1a\u4f01\u4e1a\u7ea7\u5b58\u50a8\u6d4b\u8bd5\u6280\u5de7\"<\/p>\n

\u5bf9\u6bd4\u4e24\u4e2a\u7814\u7a76\uff0c\u5c31\u4f1a\u53d1\u73b0100\u4e07 MTBF Cheetah\u9a71\u52a8\u4e0e30\u4e07\u5c0f\u65f6MTBF\u6570\u636e\u8868\u66f4\u4e3a\u63a5\u8fd1\u3002\u8fd9\u610f\u5473\u7740\u4f01\u4e1a\u548c\u5ba2\u6237\u9a71\u52a8\u5728\u5e74\u6545\u969c\u7387\u65b9\u9762\u5f88\u76f8\u4f3c\uff0c\u7279\u522b\u662f\u5f53\u4e8c\u8005\u7684\u91cf\u76f8\u5f53\u65f6\u3002\u636eNetApp\u7684\u6280\u672f\u7b56\u7565\u603b\u76d1\u900f\u9732\uff0c\u5b58\u50a8\u6570\u5217\u63a7\u5236\u9a71\u52a8\u7c7b\u578b\u6545\u969c\u7684\u65b9\u5f0f\u8ba9\u987e\u5ba2\u4e00\u76f4\u62b1\u7740\u8fd9\u6837\u7684\u60f3\u6cd5\uff1a\u8d8a\u8d35\u7684\u7684\u9a71\u52a8\u8d8a\u53ef\u9760\u3002\u5b58\u50a8\u884c\u4e1a\u4e0d\u53ef\u544a\u4eba\u7684\u79d8\u5bc6\u4e4b\u4e00\u4fbf\u662f\u5927\u591a\u6570\u4f01\u4e1a\u7ea7\u4e0e\u7528\u6237\u7ea7\u9a71\u52a8\u7684\u5927\u90e8\u5206\u7ec4\u4ef6\u90fd\u76f8\u540c\u3002\u4e0d\u8fc7\uff0c\u4ed6\u4eec\u7684\u5916\u90e8\u63a5\u53e3(FC, SCSI, SAS\u6216SATA)\u4ee5\u53ca\u56fa\u4ef6\u8bbe\u8ba1\u7684\u4f18\u5148\u7ea7\u522b\u5728\u5b9e\u9645\u4f7f\u7528\u6709\u52a9\u4e8e\u5bf9\u4e8c\u8005\u8fdb\u884c\u533a\u5206\u3002<\/p>\n

\u6570\u636e\u5b89\u5168\u6027\u548cRAID<\/strong><\/p>\n

Schroeder\u535a\u58eb\u7684\u7814\u7a76\u8986\u76d6\u4e86\u6700\u5927\u7684\u9ad8\u6027\u80fd\u8ba1\u7b97\u5b9e\u9a8c\u5ba4\u4e2d\u5927\u578bRAID\u7cfb\u7edf\u4e2d\u6240\u4f7f\u7528\u7684\u4f01\u4e1a\u9a71\u52a8\u3002\u901a\u5e38\uff0c\u6211\u4eec\u4e3b\u89c2\u4e0a\u8ba4\u4e3a\u8fd9\u7c7b\u6570\u636e\u5728\u7cbe\u9009\u8fc7\u7684RAID\u6a21\u5f0f\u4e2d\u66f4\u5b89\u5168\uff0c\u4e0d\u8fc7\u8be5\u7814\u7a76\u7684\u7ed3\u679c\u5374\u6709\u70b9\u51fa\u4eba\u610f\u6599\u3002<\/p>\n

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\u8fd9\u610f\u5473\u7740\u6570\u5217\u4e2d\u4e00\u4e2a\u9a71\u52a8\u51fa\u73b0\u6545\u969c\u4f1a\u589e\u52a0\u5176\u4ed6\u9a71\u52a8\u51fa\u73b0\u6545\u969c\u7684\u53ef\u80fd\u6027\u3002\u8ddd\u79bb\u524d\u6b21\u6545\u969c\u7684\u65f6\u95f4\u8d8a\u957f\u5c31\u610f\u5473\u7740\u8ddd\u79bb\u4e0b\u6b21\u66f4\u6362\u7684\u65f6\u95f4\u8d8a\u957f\u3002\u5f53\u7136\uff0c\u8fd9\u5173\u7cfb\u5230RAID\u7684\u91cd\u5efa\u8fdb\u7a0b\u3002\u7ecf\u5386\u7b2c\u4e00\u6b21\u6545\u969c\u4e4b\u540e\uff0c\u5728\u4e00\u5c0f\u65f6\u5185\u51fa\u73b0\u53e6\u4e00\u6b21\u9a71\u52a8\u6545\u969c\u7684\u51e0\u7387\u589e\u52a0\u4e86\u56db\u500d\u3002\u800c\u5728\u5341\u5c0f\u65f6\u5185\uff0c\u51fa\u73b0\u6545\u969c\u7684\u51e0\u7387\u5c31\u5c06\u4e0b\u964d\u5230\u4e24\u500d\u3002<\/p>\n

\u6e29\u5ea6<\/strong><\/p>\n

\"\u5b58\u50a8\u77e5\u8bc6\u5927\u8d77\u5e95\uff1a\u4f01\u4e1a\u7ea7\u5b58\u50a8\u6d4b\u8bd5\u6280\u5de7\"<\/p>\n

\"\u5b58\u50a8\u77e5\u8bc6\u5927\u8d77\u5e95\uff1a\u4f01\u4e1a\u7ea7\u5b58\u50a8\u6d4b\u8bd5\u6280\u5de7\"<\/p>\n

\u6700\u79bb\u5947\u7684\u62a5\u9053\u4e4b\u4e00\u6765\u81ea\u8c37\u6b4c\u3002\u8c03\u67e5\u8005\u4eceSMART\u2014\u2014\u5185\u7f6e\u4e8e\u5927\u591a\u6570\u786c\u9a71\u4e2d\u7684\u81ea\u6211\u76d1\u63a7\uff0c\u5206\u6790\u548c\u62a5\u544a\u6280\u672f\u2014\u2014\u4e2d\u83b7\u53d6\u6e29\u5ea6\u8bfb\u6570\uff0c\u7ee7\u800c\u53d1\u73b0\u8f83\u9ad8\u7684\u6e29\u5ea6\u4e0e\u8f83\u9ad8\u7684\u6545\u969c\u7387\u5e76\u65e0\u5173\u8054\u3002\u6e29\u5ea6\u4f3c\u4e4e\u5bf9\u8f83\u65e7\u7684\u9a71\u52a8\u7684\u5f71\u54cd\u5e76\u4e0d\u5927\u3002<\/p>\n

SMART\u8db3\u591f\u667a\u80fd\u561b?<\/strong><\/p>\n

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\u539f\u6587\u94fe\u63a5\uff1ahttp:\/\/www.tomshardware.com\/reviews\/ssd-reliability-failure-rate,2923-2.html<\/p>\n","protected":false},"excerpt":{"rendered":"

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