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\u5e94\u7528\u5c42\u7684\u89d2\u8272<\/p>\n
\u8fd8\u6709\u4e9b\u5e94\u7528\u7a0b\u5e8f\uff0c\u50cfVMware ESX\u7684\u6570\u636e\u5377\uff0c\u5728\u521b\u5efa\u65b0\u7a7a\u95f4\u65f6\u5c31\u4f1a\u7528\u5168\u96f6\u4f4d\u586b\u5145\uff0c\u800cESX\u7684\u547d\u4ee4“eagerzeroedthick“\u751a\u81f3\u80fd\u591f\u5c06\u7a7a\u95f4\u6e05\u9664\u3002\u53e6\u5916\uff0c\u5c3d\u7ba1\u8fd8\u5b58\u5728\u4e00\u4e9b\u517c\u5bb9\u6027\u7684\u95ee\u9898\uff0c\u4f46\u5728VMotion\u5e94\u7528\u4e0a\uff0cESX\u663e\u7136\u6b63\u5728\u53d8\u5f97\u8d8a\u6765\u8d8a“\u7cbe\u7b80”\u3002ESX 4.1\u7248\u672c\u4e2d\u589e\u52a0\u7684VAAI(vStorage APIs for Array Intergration)\u5185\u5d4c\u4e86“block zeroing”\u529f\u80fd\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u6b3e\u6307\u5b9a\u7684\u5b58\u50a8\u4ea7\u54c1\u3002ESX\u4f7f\u7528\u652f\u6301T10 ”WRITE_SAME”\u547d\u4ee4\u7684\u63d2\u4ef6(plug-in\uff0c\u63d2\u4ef6\u65e2\u53ef\u4ee5\u662f\u5b9a\u5236\u7684\uff0c\u4ea6\u6216\u662f\u901a\u7528\u7684)\u7ed9\u540e\u7aef\u7684\u78c1\u76d8\u9635\u5217\u53d1\u4fe1\u53f7\uff0c\u544a\u77e5\u9635\u5217\u53bb\u91ca\u653e\u90a3\u4e9bVMFS\u4e0d\u518d\u5360\u7528\u7684\u7a7a\u95f4\u3002<\/p>\n
Symantec\u4e5f\u662f\u7387\u5148\u652f\u6301\u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e\u7684\u5382\u5546\u3002\u4ed6\u4eec\u6709Veritas Thin Reclamation API\uff0c\u8be5API\u96c6\u6210\u5728Veritas Storage Foundation\u4ea7\u54c1\u4e2d\uff0c\u53ef\u4ee5\u5e7f\u6cdb\u7684\u652f\u6301\u5927\u591a\u6570\u4e3b\u6d41\u7684\u5b58\u50a8\u9635\u5217\u3002\u5b83\u4f7f\u7528\u591a\u79cd\u901a\u4fe1\u673a\u5236\u53bb\u91ca\u653e\u4e0d\u9700\u8981\u7684\u7a7a\u95f4\uff0c\u5e76\u4e14\u4e0eVxFS\u6587\u4ef6\u7cfb\u7edf\u548cvolume manager\u4ea7\u54c1\u5b8c\u5168\u96c6\u6210\u5728\u4e00\u8d77\u3002Storage Foundation\u8fd8\u5305\u542b\u4e00\u4e2aSmartMove\u8fc1\u79fb\u5de5\u5177\uff0c\u8be5\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u7cbe\u7b80\u9635\u5217\u53ea\u8f6c\u79fb\u90a3\u4e9b\u5305\u542b\u5b9e\u9645\u6570\u636e\u7684\u5757\u3002<\/p>\n
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\u8d8a\u6765\u8d8a\u7cbe\u7b80<\/p>\n
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\u76f8\u5173\u94fe\u63a5\uff1a<\/p>\n
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• \u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e\u529f\u80fd\u662f\u5305\u542b\u5728\u78c1\u76d8\u9635\u5217\u7684\u57fa\u7840\u62a5\u4ef7\u4e2d\uff0c\u8fd8\u662f\u4e00\u4e2a\u9700\u8981\u5355\u72ec\u4ed8\u8d39\u7684option?<\/p>\n
• \u78c1\u76d8\u9635\u5217\u662f\u5426\u652f\u6301\u5168\u96f6\u9875\u56de\u6536?\u4ee5\u53ca\u56de\u6536\u8fdb\u7a0b\u8fd0\u884c\u7684\u9891\u7387?<\/p>\n
• \u9875\u9762\u7684\u5927\u5c0f\u6216\u7cbe\u7b80\u914d\u7f6e\u589e\u91cf\u5206\u914d\u7684\u5927\u5c0f\u662f\u591a\u5c11?<\/p>\n
• \u5feb\u7167\u3001\u955c\u50cf\u548c\u590d\u5236\u64cd\u4f5c\u662f\u5426\u652f\u6301\u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e?\u662f\u5426\u652f\u6301\u4ece\u975e\u7cbe\u7b80\u914d\u7f6e\u590d\u5236\u5230\u7cbe\u7b80\u914d\u7f6e?<\/p>\n
• \u5f53\u78c1\u76d8\u9635\u5217\u7a7a\u95f4\u5199\u6ee1\u4e4b\u540e\u4f1a\u51fa\u73b0\u4ec0\u4e48\u60c5\u51b5?\u62a5\u8b66\u3001\u91ca\u653e\u7a7a\u95f4\u4ee5\u53ca\u6302\u8d77\u5199\u64cd\u4f5c\u7684\u6d41\u7a0b\u662f\u4ec0\u4e48?<\/p>\n
• \u78c1\u76d8\u9635\u5217\u662f\u5426\u652f\u6301WRITE_SAME\u547d\u4ee4?\u662f\u5426\u652f\u6301SCSI UNMAP\u6216ATA TRIM\u547d\u4ee4?<\/p>\n
• \u662f\u5426\u6709\u53ef\u4e0e\u8be5\u78c1\u76d8\u9635\u5217\u96c6\u6210\u7684\u652f\u6301“block zeroing”\u7684VAAI\u63d2\u4ef6?\u662f\u5426\u662f\u57fa\u4e8eT10\u7684\u63d2\u4ef6\uff0c\u8fd8\u662f\u4e3a\u8be5\u4ea7\u54c1\u7cfb\u5217\u5b9a\u5236\u7684\u63d2\u4ef6?<\/p>\n
\u7a7a\u95f4\u6d6a\u8d39\u7684\u6839\u6e90<\/p>\n
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• \u5e74\u5ea6\u548c\u9879\u76ee\u9884\u7b97\u5468\u671f\u5236\u5ea6\u5bfc\u81f4\u4e86\u8d85\u4e70\u60c5\u51b5\u7684\u53d1\u751f\uff0c\u6709\u4e9b\u8d85\u4e70\u7684\u5b58\u50a8\u7a7a\u95f4\u4e5f\u8bb8\u6c38\u8fdc\u4e0d\u4f1a\u7528\u5230\u3002<\/p>\n
• \u65e0\u6548\u7684\u8d44\u6e90\u76d1\u6d4b\u548c\u5bb9\u91cf\u8ba1\u5212\u8fc7\u7a0b\u5e76\u4e0d\u80fd\u641e\u6e05\u695a\u771f\u5b9e\u7684\u7a7a\u95f4\u9700\u6c42\u3002<\/p>\n
• \u5b58\u50a8\u7f51\u7edc\u4e0d\u591f\u5b8c\u5584\uff0c\u5bfc\u81f4\u90e8\u5206\u7a7a\u95f4\u8d44\u6e90\u65e0\u6cd5\u5206\u914d\u7ed9\u9700\u8981\u7a7a\u95f4\u7684\u670d\u52a1\u5668\u3002<\/p>\n
• \u4e0d\u8fde\u7eed\u7684\u7a7a\u95f4\u5212\u62e8\u8fc7\u7a0b\u5bfc\u81f4\u6709\u4e9b\u7a7a\u95f4\u867d\u7136\u88ab\u5206\u914d\uff0c\u4f46\u53ef\u80fd\u6c38\u8fdc\u4e5f\u65e0\u6cd5\u88ab\u7528\u5230\u3002<\/p>\n
• \u64cd\u4f5c\u7cfb\u7edf\u548c\u6587\u4ef6\u7cfb\u7edf\u7f3a\u4e4f\u7075\u6d3b\u6027\uff0c\u5f53\u5b58\u50a8\u9700\u6c42\u6539\u53d8\u65f6\uff0c\u96be\u4ee5\u6269\u5c55\u6216\u6536\u7f29\u3002<\/p>\n
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