{"id":36120,"date":"2015-08-07T17:57:43","date_gmt":"2015-08-07T09:57:43","guid":{"rendered":""},"modified":"2015-08-07T17:58:26","modified_gmt":"2015-08-07T09:58:26","slug":"","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/36120.html","title":{"rendered":"\u5415\u667a\u8d85\uff1aTCO and PCIe-RAID"},"content":{"rendered":"

\u3000\u3000\u5728\u4e0b\u5348\u7684\u4e3b\u9898\u6f14\u8bb2\u4e2d\u6765\u81ea\u4e0a\u6d77\u5b9d\u5b58\u79d1\u6280\u7684\u5415\u667a\u8d85\u53d1\u8868\u4e86\u9898\u4e3a\u300aTCO and PCIe-RAID\u300b\u7684\u6f14\u8bb2\uff0c\u4ee5\u4e0b\u4e3a\u6f14\u8bb2\u5b9e\u5f55\uff1a<\/p>\n

\u3000\u3000\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e0a\u6d77\u5b9d\u5b58\u79d1\u6280\u7684\u5415\u667a\u8d85\u3002<\/p>\n

\u3000\u3000\u5173\u4e8eFlash\u5e94\u7528\u5c42\u9762\uff0c\u5927\u5bb6\u5e94\u5f53\u6bd4\u8f83\u719f\u6089\u3002\u6211\u539f\u6765\u505a\u7cfb\u7edf\u65b9\u9762\u7684\u5de5\u4f5c\uff0c\u5c31\u7ad9\u5728\u8fd9\u4e2a\u89d2\u5ea6\u548c\u5927\u5bb6\u8bf4\u4e00\u4e9b\uff0c\u5982\u679cIT\u7cfb\u7edf\u5e94\u7528\u4e86Flash\u4f1a\u5e26\u6765\u54ea\u4e9b\u6536\u76ca\u3002<\/p>\n

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\u3000\u3000\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u7b2c\u4e09\u65b9\u7684\u72ec\u7acb\u8c03\u67e5\uff0c\u5047\u5b9a\u6211\u4eecIT\u8d44\u4ea7\u6298\u65e7\u65f6\u95f4\u662f36\u4e2a\u6708\uff0c\u5728\u8fd9\u4e2a\u65f6\u5019\u5404\u4e2a\u9879\u7684\u652f\u51fa\u5360IT\u8d44\u4ea7\u603b\u652f\u51fa\u6bd4\u4f8b\u662f\u8fd9\u6837\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u7ea2\u8272\u7684\u662f\u8d8b\u8fd1\u4e8e\u4e92\u8054\u7f51\u67b6\u6784\uff0c\u84dd\u8272\u7684\u662f\u4f20\u7edfIT\u67b6\u6784\uff0c\u6700\u5bb9\u6613\u7684\u5c31\u662f\u4e00\u4e2a\u4e00\u4e2a\u7684\u9879\u76ee\uff0c\u4e00\u4e2a\u96c6\u4e2d\u5f0f\u8ba1\u7b97\uff0c\u96c6\u4e2d\u5f0f\u5b58\u50a8\u3002<\/p>\n

\u3000\u3000\u6309\u7167\u4e1a\u754c\u7684\u53d1\u5c55\u8d8b\u52bf\uff0c\u5206\u5e03\u5f0f\u67b6\u6784\u548c\u4e91\u67b6\u6784\u662f\u53d1\u5c55\u8d8b\u52bf\u3002\u6240\u4ee5\u8bf4\u6211\u4eec\u672a\u6765\u7684TCO\u6a21\u578b\u662f\u8d8a\u6765\u8d8a\u5411\u7ea2\u8272\u7684\u6f14\u8fdb\u3002\u5982\u679c\u6211\u4eec\u662f\u7ea2\u8272\u7684\u5206\u5e03\u5f0f\u67b6\u6784\u7684\u8bdd\uff0c\u6211\u4eec\u7684\u8fd0\u7ef4\u6574\u4e2a\u7684\u6210\u672c\u5360\u603b\u7684TCO\u975e\u5e38\u5927\u7684\u6bd4\u4f8b\u3002\u6309\u8fd9\u4e2a\u8c03\u67e5\u6765\u770b\uff0c\u8fd0\u7ef4\u6210\u672c\u5360TCO\u768475%\u3002<\/p>\n

\u3000\u3000\u6211\u4eec\u600e\u4e48\u4f18\u5316\u4e00\u4e2aTCO\u5462\uff1f\u5728\u627f\u8ba4IT\u8d44\u4ea7\u7684\u8fd0\u7ef4\u6210\u672c\u5360\u6700\u5927\u6bd4\u91cd\u7684\u524d\u63d0\u4e0b\uff0c\u6211\u4eec\u8003\u8651\u5982\u4f55\u901a\u8fc7\u964d\u4f4e\u8fd0\u7ef4\u6210\u672c\u6765\u964d\u4f4eTCO\u3002\u73b0\u6709IT\u670d\u52a1\u5668\u6570\u91cf\u662f\u4e00\u5343\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u662f\u65b9\u6848A\u3002\u6211\u6362\u4e00\u79cd\u601d\u8def\uff0c\u6211\u5c06\u6240\u6709\u670d\u52a1\u5668\u7684\u914d\u7f6e\u63d0\u4e0a\u53bb\uff0c\u8fd9\u90e8\u5206\u670d\u52a1\u5668\u7684\u4e00\u6b21\u6027\u6210\u672c\u81ea\u7136\u4f1a\u4e0a\u5347\uff0c\u6211\u5047\u5b9a\u91c7\u8d2d\u6210\u672c\u4e0a\u6d6e50%\uff0c\u8fd9\u4e2a\u662f\u65b9\u6848B\u3002\u7531\u4e8e\u5355\u53f0\u670d\u52a1\u5668\u7684\u6027\u80fd\u63d0\u9ad8\u4e86\uff0c\u6211\u901a\u8fc7\u4e00\u4e9b\u8fd0\u7ef4\u624b\u6bb5\uff0c\u5355\u53f0\u670d\u52a1\u5668\uff0c\u80fd\u591f\u627f\u8f7d\u7684\u4e1a\u52a1\u8981\u6bd4\u65b9\u6848A\u8981\u591a\uff0c\u6211\u4eec\u505a\u8fd9\u4e48\u4e00\u4e2a\u5047\u5b9a\uff0c\u5047\u5b9a\u6211\u91c7\u7528\u65b9\u6848B\u7684\u65f6\u5019\uff0c\u6211\u7684\u670d\u52a1\u5668\u6570\u91cf\u53ea\u6709\u65b9\u6848A\u65f6\u5019\u7684\u4e8c\u5206\u4e4b\u4e00\u3002\u81f3\u4e8e\u6211\u600e\u4e48\u62ff\u5230\u4e8c\u5206\u4e4b\u4e00\uff0c\u8fd9\u4e2a\u6211\u4f1a\u4ed4\u7ec6\u8bb2\u3002\u5982\u679c\u6211\u5bf9\u6bd4\u8fd9\u4e24\u4e2a\u65b9\u6848\u7684\u65f6\u5019\uff0c\u6211\u4f1a\u53d1\u73b0\u8fd9\u4e48\u4e00\u4e2a\u95ee\u9898\uff0c\u65b9\u6848B\u7684\u91c7\u8d2d\u6210\u672c\u662f\u65b9\u6848A\u6210\u672c\u76841.5\u500d\u3002\u6211\u4eec\u5047\u5b9a\u65b9\u6848A\u82b1\u6389100\u5757\u94b1\uff0c\u6216\u8005\u82b11\u5757\u94b1\uff0c\u603b\u4f53TCO\u662f1\u5757\u94b1\uff0c\u6309\u7167\u521a\u624d\u7684\u516c\u5f0f\u6765\u7b97\uff0c\u91c7\u8d2d\u6210\u672c\u662f2\u6bdb5\uff0c\u8fd0\u8425\u6210\u672c\u662f7\u6bdb5\u3002\u5982\u679c\u8fc1\u79fb\u5230\u65b9\u6848B\u7684\u65f6\u5019\uff0c\u6211\u53d1\u73b0\u9996\u5148\u7b2c\u4e00\u6211\u7684\u91c7\u8d2d\u6210\u672c\u4f1a\u53d8\u62101.5\u500d\uff0c\u8fd9\u4e2a\u65f6\u5019\u4f1a\u662f2\u6bdb5\u4e58150%\uff0c\u53d8\u62103\u6bdb7\u52065\uff0c\u7531\u4e8e\u670d\u52a1\u5668\u6570\u91cf\u51cf\u534a\uff0c\u6240\u4ee5\u6211\u7684\u8fd0\u8425\u6210\u672c\u4f1a\u53d8\u6210\u539f\u6765\u76840.75\u7684\u4e00\u534a\uff0c\u6f14\u53d8\u6210\u4e860.375\uff0c\u5982\u679c\u91c7\u7528\u65b9\u6848B\uff0c\u6574\u4e2a\u7684TCO\u662f0.375+0.375\u662f0.75\u3002\u6211\u60f3\u529e\u6cd5\u5c06\u6211\u7684\u670d\u52a1\u5668\u6570\u91cf\u51cf\u534a\u7684\u8bdd\uff0c\u6574\u4f53\u7684TCO\u4f1a\u964d\u4f4e25%\uff0c\u8fd9\u662f\u975e\u5e38\u7b80\u5355\u7684\u6570\u5b66\u3002\u539f\u6765\u6574\u4f53TCO1\u5757\uff0c2\u6bdb5\uff0c\u91c7\u8d2d\uff0c7\u6bdb5\u8fd0\u8425\uff0c\u73b0\u5728\u91c7\u8d2d3\u6bdb7\u52065\uff0c\u8fd0\u8425\u4e1a\u662f3\u6bdb7\u52065\uff0c\u8fd9\u65f6\u5019\u5c31\u53d8\u6210\u4e860.75\uff0c\u8fd9\u65f6\u5019\u6211\u7684TCO\u5c31\u964d\u4f4e\u4e8625%\u3002<\/p>\n

\u3000\u3000\u5047\u8bbe\u8bf4\u8fd9\u4e2a\u6210\u7acb\u7684\u8bdd\uff0c\u6211\u4eec\u8981\u5956\u52b1TCO\u7684\u53ef\u80fd\u7684\u9014\u5f84\u662f\u4ec0\u4e48\uff1f\u6211\u4eec\u5145\u5206\u6700\u5927\u5316\u5355\u53f0\u670d\u52a1\u5668\u7684\u4e1a\u52a1\u6027\u80fd\u6307\u6807\uff0c\u6211\u4eec\u8981\u5c3d\u91cf\u8ba9\u5355\u53f0\u670d\u52a1\u5668\u7269\u7406\u673a\u8dd1\u66f4\u591a\u7684\u4e1a\u52a1\uff0c\u53ef\u4ee5\u8dd1\u66f4\u591a\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u8dd1\u66f4\u591a\u7684\u8ba1\u7b97\uff0c\u53ef\u4ee5\u8dd1\u66f4\u591a\u7684\u865a\u673a\uff0c\u4f46\u662f\u6211\u4eec\u8981\u60f3\u529e\u6cd5\u589e\u52a0\u5355\u53f0\u670d\u52a1\u5668\u7684\u4e1a\u52a1\u627f\u8f7d\u80fd\u529b\u3002<\/p>\n

\u3000\u3000\u73b0\u5728\u6211\u4eec\u56de\u987e\u4e00\u4e0b\uff0c\u5728IT\u7cfb\u7edf\u5f53\u4e2d\uff0c\u73b0\u5728\u552f\u4e00\u7684\u74f6\u9888\u6216\u8005\u6700\u5927\u7684\u74f6\u9888\u662fTCO\uff0c\u63d0\u5347IO\u7cfb\u7edf\u6027\u80fd\u51e0\u4e4e\u662f\u63d0\u5347\u6574\u4e2aIT\u67b6\u6784\u6027\u80fd\u975e\u5e38\u5fc5\u8981\u7684\u624b\u6bb5\u3002\u539f\u6765\u6211\u4eec\u9047\u5230\u7684\u95ee\u9898\u662f\uff0c\u6211\u4eecCTO\u548c\u5185\u5b58\u662f\u8ddf\u7740\u6469\u5c14\u5b9a\u5f8b\u8d70\u7684\uff0c\u4f46\u662f\u4f20\u7edf\u78c1\u76d8\u4e0d\u8ddf\u6469\u5c14\u5b9a\u5f8b\u8d70\uff0c\u56e0\u4e3a\u6469\u5c14\u5b9a\u5f8b\u662f\u9884\u6d4b\u7535\u5b50\u8f6f\u4ef6\u7684\uff0c\u800c\u4f20\u7edf\u78c1\u76d8\u662f\u673a\u68b0\u90e8\u4ef6\u3002\u95ea\u5b58\u5c06IT\u7cfb\u7edf\u5f53\u4e2d\u6700\u5927\u7684\u74f6\u9888\u5e26\u56de\u6469\u5c14\u5b9a\u5f8b\u7684\u8303\u56f4\u5185\uff0c\u95ea\u5b58\u53ef\u4ee5\u8ba9\u6211\u4eec\u6574\u4e2aIT\u6027\u80fd\u63d0\u5347\u4e00\u5757\u3002\u95ea\u5b58\u53ef\u4ee5\u7ed9\u6211\u4eecIT\u6027\u80fd\u589e\u5f3a\u591a\u5c11\uff1f<\/p>\n

\u3000\u3000\u4f20\u7edf\u76d8\u6027\u80fd\u5f88\u4f4e\uff0c\u95ea\u5b58\u662fSATA SSD\u4ef7\u683c\u768410\u500d\uff0c\u4f46\u662f\u6027\u80fd\u662f\u5b83\u7684\u51e0\u5341\u500d\u3002\u6211\u4eec\u4f1a\u6709\u539f\u751f\u7684PCIe Flash\u3002\u8fd9\u5757\u662f20\u500d\uff0c\u662f\u4f20\u7edf\u673a\u68b0\u76d8\u768420\u500d\u3002\u539f\u751f\u7684PCIe Flash\u7684\u6210\u672c\u662fSATA SSD\u4e24\u500d\u5de6\u53f3\uff0c\u5e94\u7528\u6027\u80fd\u662fSATA SSD\u768410\u500d\uff0c\u662f\u4f20\u7edf\u76d8\u7684\u5343\u500d\u3001\u767e\u500d\u3002\u6211\u4eec\u770b\u770bSATA SSD\u53ef\u4ee5\u505a\u6210\u4ec0\u4e48\u6837\u7684\u53d8\u6001\u7684\u7ea7\u522b\uff0c\u6211\u4eec\u63d0\u4f9b\u51e0\u5341\u4e07\u7684IOPS\uff0c\u7279\u5b9a\u573a\u666f\u7efc\u5408\u8bfb\u5199IOPS\u51e0\u767e\u4e07\u3002<\/p>\n

\u3000\u3000\u5728\u73b0\u6709\u7684IT\u7cfb\u7edf\u5f53\u4e2d\uff0c\u5982\u679c\u4e00\u4e2a\u5b58\u50a8\u63d0\u4f9b\u51e0\u767e\u4e07\u7684IOPS\uff0cCPU\u90fd\u53ef\u80fd\u6210\u4e3a\u8fd9\u4e2a\u7cfb\u7edf\u7684\u74f6\u9888\u3002\u5728\u975e\u5e38\u91cd\u8981\u7684\u6570\u636e\u5e93\u7684\u4e1a\u52a1\u5f53\u4e2d\uff0c\u975e\u5e38\u5173\u6ce8\u5ef6\u8fdf\u4e1a\u52a1\u5f53\u4e2d\uff0cPCIe Flash\u53ef\u4ee5\u63d0\u4f9b\u8d85\u4f4e\u7684\u5ef6\u8fdf\uff0c\u662f\u6beb\u79d2\u7ea7\u7684\uff0c\u540c\u65f6\u8fd8\u6709\u975e\u5e38\u5927\u7684\u5bb9\u91cf\uff0c\u6211\u4eec\u5bb9\u91cf\u53ef\u4ee5\u505a\u5230\u5f88\u5927\uff0cFlash\u5bb9\u91cf\u53ef\u4ee5\u505a\u5230\u5f88\u5927\u3002\u63d0\u8d77Flash\u6211\u4eec\u4e00\u5b9a\u8981\u5173\u6ce8\u6e29\u5ea6\uff0c\u6e29\u5ea6\u5176\u5b9e\u5c31\u662f\u529f\u8017\u3002\u6211\u4eec\u53ea\u8bf4Flash\u53ef\u4ee5\u5e26\u52a8\u4ec0\u4e48\uff0cFlash\u53ef\u4ee5\u5e26\u7ed9\u6211\u4eec\u6bd4\u8f83\u7a33\u5b9a\u7684\u8d85\u9ad8\u7684\u6027\u80fd\u548c\u8d85\u5927\u7684\u5bb9\u91cf\u3002\u8fd9\u4e2a\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u80fd\u770b\u5230\u8fd9\u4e9b\uff0c\u8fd9\u4e9b\u90fd\u662f\u5728\u5b9e\u9645\u4e1a\u52a1\u5f53\u4e2d\u8dd1\u7684\u3002\u5982\u679c\u6211\u4eec\u7528\u4e86\u539f\u751f\u7684PCIe Flash\uff0c\u6211\u4eec\u80fd\u62ff\u52303\u500d\u4e8eSATA SSD RAID Mysql\u7684\u6027\u80fd\u76843\u500d\u3002\u6bd4\u5982\u8bf4\u7eff\u8272\u7684\u662f\u67d0\u56fd\u9645\u54c1\u724c\u7684160G\u7684\u4ea7\u54c1\uff0c\u84dd\u8272\u7684\u4e5f\u662f\u67d0\u56fd\u9645\u54c1\u724c\u7684480G\u7684\u4ea7\u54c1\uff0c\u8fd9\u90fd\u662fRAID5\uff0c\u5728\u6570\u636e\u5e93\u65b9\u9762\uff0c\u5728Mysql\u6570\u636e\u5e93\u65b9\u9762\uff0c\u4ec5\u4ec5\u66f4\u6362Flash\u4f1a\u7ed9\u6211\u4eec\u5e26\u6765\u51e0\u5341\u500d\u7684\u6027\u80fd\u63d0\u5347\u3002\u6309\u4f20\u7edf\u7684SATA SSD\u4e5f\u4f1a\u6709\u51e0\u5341\u500d\u7684\u6027\u80fd\u63d0\u5347\u3002<\/p>\n

\u3000\u3000\u65e5\u5fd7\u5904\u7406\u65b9\u9762\uff0c\u540e\u9762\u6709\u67e5\u8be2\u65f6\u95f4\u5bf9\u6bd4\u8868\uff0c\u5e94\u7528\u4e86PCIe Flash\u4ee5\u540e\uff0cText\u67e5\u8be2\u662f\u6027\u80fd\u4f18\u5316\u7684\u8fd1\u767e\u500d\uff0c\u7236\u5b50\u67e5\u8be2\u6027\u80fd\u4f18\u53164\u500d\u3002\u8fd9\u662f\u67d0\u7701\u7a0e\u52a1\u5c40\u7684\u7cfb\u7edf\uff0c\u8fd9\u4e5f\u662f\u6570\u636e\u5e93\u7684\u5e94\u7528\uff0c\u8fd9\u662fMPP\u6570\u636e\u5e93\u3002\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u679c\u6211\u5728\u666e\u901a\u76d8\u4e0b\u662f\u8fd9\u4e2a\u6307\u6807\uff0c\u8fd9\u662f83\u79d2\u3002\u8fd9\u4e2a\u56fe\u7247\u663e\u793a\u6027\u80fd\u63d0\u9ad815\u500d\u3002<\/p>\n

\u3000\u3000\u6211\u4eec\u518d\u770b\u4e00\u4e0b\u8fd9\u4e2a\uff0cVMware\u865a\u62df\u673a\u542f\u52a8\u98ce\u66b4\uff0c\u6211\u4eec\u53ef\u4ee5\u7f29\u77ed4\u500d\u7684\u542f\u52a8\u65f6\u95f4\uff0c\u5f97\u523030\u500d\u7684\u6027\u80fd\u63d0\u5347\u3002<\/p>\n

\u3000\u3000\u6211\u4eec\u6709\u51e0\u5341\u500d\u7684\u6027\u80fd\u63d0\u5347\uff0c\u8fd9\u51e0\u5341\u500d\u7684\u6027\u80fd\u63d0\u5347\uff0c\u5e26\u6765\u7684\u662f\u4ec0\u4e48\uff1f\u8fd9\u51e0\u5341\u500d\u6027\u80fd\u63d0\u5347\uff0c\u5982\u679c\u6211\u4eec\u613f\u610f\u7528\u5f97\u5f53\u7684\u8fd0\u7ef4\u624b\u6bb5\u7684\u8bdd\uff0c\u6211\u4eec\u5c06\u670d\u52a1\u5668\u7684\u6570\u91cf\u51cf\u6210\u539f\u6765\u7684\u4e00\u534a\uff0c\u662f\u7edd\u5bf9\u6ca1\u6709\u95ee\u9898\u7684\uff0c\u6211\u4eec\u4f1a\u5c06\u670d\u52a1\u5668\u7684\u6570\u91cf\u51cf\u5230\u539f\u6765\u7684\u4e00\u534a\u3002\u6211\u4eec\u62ff\u523075%\uff0c\u6211\u4eec\u8282\u770125%\u7684TCO\u7edd\u5bf9\u6ca1\u6709\u95ee\u9898\uff0c\u56e0\u4e3a\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u786c\u4ef6\uff0c\u4f18\u5316\u5b58\u50a8\u7684\u6027\u80fd\u6765\u5c06\u670d\u52a1\u5668\u6570\u91cf\u51cf\u534a\uff0c\u8fdb\u800c\u62ff\u523025%TCO\u7684\u4f18\u5316\u3002\u6211\u4eec\u91c7\u7528\u539f\u751fPCIe Flash\u964d\u4f4eTCO25-50%\uff0c\u6211\u4eec\u603b\u662f\u8981\u8ffd\u6c42\u66f4\u52a0\u6781\u81f4\u7684\u4e1c\u897f\u3002\u8fd9\u65f6\u5019\u6211\u4eec\u4f1a\u95ee\uff0c\u6211\u4eec\u80fd\u4e0d\u80fd\u518d\u505a\u70b9\u4ec0\u4e48\uff0c\u5176\u5b9e\u628a\u670d\u52a1\u5668\u6570\u91cf\u964d\u4e3a\u539f\u6765\u7684\u4e00\u534a\uff0c\u5176\u5b9e\u5728\u589e\u9ad8\u4f60\u7684\u4e1a\u52a1\u5bc6\u5ea6\uff0c\u4f60\u53ef\u4e0d\u53ef\u4ee5\u6709\u66f4\u9ad8\u7684\u5bc6\u5ea6\uff0c\u9ad8\u5bc6\u5ea6\u5c31\u610f\u5473\u7740\u4e00\u53f0\u4e3b\u673a\u9700\u8981\u66f4\u5927\u5bb9\u91cf\u7684\u5b58\u50a8\u3002\u5982\u679c\u66f4\u5927\u5bb9\u91cf\u7684\u5b58\u50a8\uff0c\u6211\u4eec\u7528\u7684\u8bdd\uff0c\u6211\u4eec\u8981\u4e0d\u8981\u62c5\u5fc3\u5355\u70b9\u5931\u6548\u7684\u95ee\u9898\uff0c\u8fd9\u4e9b\u95ee\u9898\u5b9d\u5b58\u90fd\u8003\u8651\u8fc7\u3002\u6211\u4eec\u4eca\u5e74\u53d1\u5e03\u4e86\u4e00\u4e2a\u4e16\u754c\u4e0a\u76ee\u524d\u4e3a\u6b62\u552f\u4e00\u7684\u72ec\u5bb6\u6280\u672f\u6211\u4eec\u53ebPCIe-RAID\u3002<\/p>\n

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