<\/p>\n
\u5982\u679c\u4f60\u8fd8\u6ca1\u542c\u8bf4\u8fc7TRIM\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u542c\u542c\u8fd9\u79cd\u6280\u672f\u7684\u53d1\u8d77\u8005\u600e\u4e48\u8bf4\u3002\u8fd9\u4e9b\u53d1\u8d77\u8005\u5305\u62ec\u56fa\u6001\u9a71\u52a8\u5668\uff08SSD\uff09\u5236\u9020\u5546\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5f00\u53d1\u5382\u5546\u548c\u6570\u636e\u5b58\u50a8\u5382\u5546\u3002<\/p>\n
\u8d8a\u6765\u8d8a\u591a\u7684\u516c\u53f8\u91c7\u7528TRIM\u6307\u4ee4\u3002\u8fd9\u662f\u4e00\u4e2a\u6570\u636e\u96c6\u7ba1\u7406\u529f\u80fd\u5b50\u96c6\uff0c\u5305\u542b\u5728\u6700\u65b0\u7684ATA\u89c4\u8303\u4e2d\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6539\u5584SSD\u9a71\u52a8\u5668\u7684\u901f\u5ea6\uff0c\u5e76\u6700\u7ec8\u63d0\u9ad8\u9a71\u52a8\u5668\u6574\u4f53\u7684\u8bfb\u53d6\u548c\u5199\u5165\u6027\u80fd\u3002<\/p>\n
Objective Analysis\u7684SSD\u5206\u6790\u5e08Jim Handy\u8868\u793a\uff0c\u7531\u4e8eTRIM\u5728SSD\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u5b9e\u65bd\u5f88\u7b80\u5355\uff0cTRIM\u5728\u975e\u5e38\u8fd1\u7684\u672a\u6765\u5e94\u8be5\u53ef\u4ee5\u83b7\u5f97\u5e7f\u6cdb\u5229\u7528\u3002Objective Analysis\u662f\u4e00\u5bb6\u534a\u5bfc\u4f53\u5e02\u573a\u7814\u7a76\u516c\u53f8\u3002<\/p>\n
\u4ed6\u8bf4\uff1a"\u6211\u9884\u8ba1TRIM\u5c06\u57282010\u5e74\u590f\u5b63\u4e4b\u524d\u666e\u53ca\u5230\u6240\u6709SSD\u3002"<\/p>\n
\u4e3b\u8981\u7684SSD\u5382\u5546\u5df2\u7ecf\u5f00\u59cb\u5728SSD\u4e0a\u652f\u6301TRIM\u3002\u82f1\u7279\u5c14\u901a\u8fc7\u73b0\u6709\u9a71\u52a8\u5668\u7684\u56fa\u4ef6\u5347\u7ea7\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002Micron\u65b0\u76846Gb\/\u79d2SATA\u9a71\u52a8\u5668\u652f\u6301TRIM\uff0c\u800cSTEC\u548cFusion-io\u4e5f\u652f\u6301\u8be5\u6307\u4ee4\u3002Linux\u548cWindows\u4e5f\u5728\u6dfb\u52a0TRIM\u652f\u6301\u3002<\/p>\n
\u56de\u6536\u95f2\u7f6e\u7684SSD<\/strong>\u6570\u636e\u5757<\/strong><\/p>\n TRIM\u6307\u4ee4\u8ba9\u64cd\u4f5c\u7cfb\u7edf\u53ef\u4ee5\u544a\u8bc9\u56fa\u6001\u9a71\u52a8\u5668\u54ea\u4e9b\u6570\u636e\u5757\u662f\u4e0d\u4f1a\u518d\u4f7f\u7528\u7684\uff1b\u5426\u5219SSD\u63a7\u5236\u5668\u4e0d\u77e5\u9053\u53ef\u4ee5\u56de\u6536\u8fd9\u4e9b\u95f2\u7f6e\u6570\u636e\u5757\u3002<\/p>\n Handy\u8868\u793a\uff1a"TRIM\u5bf9SSD\u662f\u4e2a\u798f\u97f3\u3002"<\/p>\n \u4ed6\u8ba4\u4e3aTRIM\u7684\u7b80\u7ea6\u6027\u5c06\u6781\u5927\u51cf\u5c11\u5199\u5165\u8d1f\u62c5\uff0c\u540c\u65f6\u5141\u8bb8SSD\u66f4\u597d\u5730\u5728\u540e\u53f0\u9884\u5220\u9664\u95f2\u7f6e\u7684\u6570\u636e\u5757\uff0c\u4ee5\u4fbf\u8ba9\u8fd9\u4e9b\u6570\u636e\u5757\u53ef\u4ee5\u66f4\u5feb\u5730\u9884\u5907\u65b0\u7684\u5199\u5165\u3002<\/p>\n SandForce<\/a>\u9996\u5e2d\u6280\u672f\u5b98Radoslav Danilak\u8868\u793a\uff0c\u503c\u5f97\u6ce8\u610f\u7684\u662fOS\uff08\u64cd\u4f5c\u7cfb\u7edf\uff09\u7684\u89d2\u8272\u3002<\/p>\n Danilak\u8868\u793a\uff1a"SSD\u77e5\u9053\u54ea\u4e9b\u8fc7\u671f\u6570\u636e\u53ef\u4ee5\u5220\u9664\u548c\u56de\u6536\uff0c\u4f46\u662f\u5b83\u4e0d\u77e5\u9053\u64cd\u4f5c\u7cfb\u7edf\u5df2\u7ecf\u51b3\u5b9a\u5220\u9664\u54ea\u4e9b\u6570\u636e\uff0c\u76f4\u5230\u64cd\u4f5c\u7cfb\u7edf\u4e3a\u4e86\u65b0\u7684\u4fe1\u606f\u800c\u91cd\u65b0\u4f7f\u7528\u903b\u8f91\u5757\u5730\u5740\uff08LBA\uff09\u3002"<\/p>\n Danilak\u8868\u793a\uff1a"TRIM\u8fd9\u79cd\u6307\u4ee4\u7684\u4f18\u70b9\u4fbf\u662f\u5b83\u53ef\u4ee5\u540c\u65f6\u900f\u8fc7\u8fc7\u671f\u6570\u636e\u548cOS\u5220\u9664\u7684\u6570\u636e\u6765\u8bbf\u95eeLBA\uff0c\u4ece\u800c\u63a8\u52a8\u6027\u80fd\u7684\u6539\u5584\u3002TRIM\u552f\u4e00\u7684\u7f3a\u70b9\u4fbf\u662f\u5982\u679c\u5b83\u5728SSD\u56fa\u4ef6\u4e2d\u6ca1\u6709\u5f97\u5230\u5f88\u597d\u7684\u5b9e\u65bd\uff0c\u90a3\u4e48\u5b83\u7684\u64cd\u4f5c\u6709\u53ef\u80fd\u4f1a\u963b\u788d\u6b63\u5e38\u7684\u9a71\u52a8\u5668\u64cd\u4f5c\u3002"<\/p>\n STEC\u8d1f\u8d23SSD\u6280\u672f\u8425\u9500\u7684\u9ad8\u7ea7\u7ecf\u7406Scott Shadley\u8ba4\u4e3a\uff0c\u5982\u679cTRIM\u53ef\u4ee5\u8ba9SSD\u5b8c\u5168\u5ffd\u7565\u4e00\u4e2aLBA\u8303\u56f4\u7684\u6570\u636e\uff0c\u90a3\u4e48\u8fd9\u662f\u4e00\u4ef6\u597d\u4e8b\uff0c\u4f46\u662f\u8fd9\u79cd\u7ed3\u679c\u4e5f\u6709\u53ef\u80fd\u6ca1\u6709\u4ec0\u4e48\u7528\u5904\u3002<\/p>\n \u5bf9Shadley\u6765\u8bf4\uff0c\u771f\u6b63\u7684\u95ee\u9898\u662f\uff0c\u5982\u679c\u635f\u8017\u5e73\u8861\u6280\u672f\uff08wear leveling \uff09\u5728\u8fd0\u4f5c\uff0c\u90a3\u4e48LBA\u8303\u56f4\u5e76\u4e0d\u4e00\u5b9a\u53cd\u6620SSD\u95ea\u5b58\u7684\u7269\u7406\u5730\u5740\u5e8f\u5217\u3002<\/p>\n Shadley\u8868\u793a\uff1a"\u8fd9\u610f\u5473\u7740SSD\u8fd8\u662f\u8981\u9762\u4e34\u5982\u4f55\u5c06\u6570\u636e\u8fc1\u79fb\u5230\u8bbe\u5907\u5185\u90e8\u771f\u6b63\u7a7a\u4f59\u7a7a\u95f4\u7684\u95ee\u9898\u3002"<\/p>\n Shadley\u8868\u793a\uff1a"\u5982\u679c\u90a3\u4e2aLBA\u8303\u56f4\u53cd\u6620\u7684\u662f\u6574\u4e2a\u4ecb\u8d28\u4e0a\u7684\u9875\u9762\uff0c\u90a3\u4e48\u5b9e\u9645\u4e0a\u5c31\u6ca1\u6709\u7a7a\u4f59\u7684\u5757\u6216\u6700\u5c0f\u7684\u53ef\u64e6\u5199\u7684\u5355\u4f4d\u3002\u8fd9\u4f1a\u5e26\u6765\u66f4\u52a0\u590d\u6742\u7684\u635f\u8017\u5e73\u8861\u8fc7\u7a0b\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u52a0\u91cd\u5199\u5165\u8d1f\u62c5\u3002TRIM\u53ea\u9002\u5408\u4e8e\u90a3\u4e9b\u635f\u8017\u5e73\u8861\u8fc7\u7a0b\u5b9e\u9645\u4e0a\u5e76\u672a\u6709\u6548\u8282\u7ea6\u6216\u5ef6\u957f\u9a71\u52a8\u5668\u6027\u80fd\u6216\u5bff\u547d\u7684SSD\u3002"<\/p>\n SSD<\/strong>\u5783\u573e\u56de\u6536<\/strong><\/p>\n Danilak\u8868\u793a\uff0c\u5728\u8003\u8651\u5982\u4f55\u6539\u5584SSD\u6574\u4f53\u7684\u8bfb\u53d6\/\u5199\u5165\u6027\u80fd\u7684\u65f6\u5019\uff0cTRIM\u6307\u4ee4\u53ea\u662f\u89e3\u51b3\u65b9\u6848\u7684\u4e00\u5c0f\u90e8\u5206\u3002<\/p>\n Danilak\u6307\u51fa\uff1a"SSD\u67b6\u6784\u4e2d\u6709\u5f88\u591a\u56e0\u7d20\u5f71\u54cd\u5230\u6574\u4f53\u6027\u80fd\u3002"<\/p>\n \u4ed6\u8868\u793a\uff1a"\u4f8b\u5982\uff0c\u6240\u8c13\u7684\u5783\u573e\u56de\u6536\u529f\u80fd\u3002\u5783\u573e\u56de\u6536\u529f\u80fd\u8fc1\u79fb\u6709\u6548\u7684\u6570\u636e\u5757\uff0c\u5220\u9664\u95ea\u5b58\u9875\u9762\u4ee5\u4fbf\u9884\u5907\u65b0\u7684\u5199\u5165\u3002"<\/p>\n \u5783\u573e\u56de\u6536\u662fSSD\u64cd\u4f5c\u4e2d\u7684\u91cd\u8981\u90e8\u5206\u3002\u62e5\u6709\u9ad8\u6548\u7684\u5783\u573e\u56de\u6536\u529f\u80fd\u53ef\u4ee5\u8ba9SSD\u5728\u9ad8\u901f\u64cd\u4f5c\u4e2d\u4fdd\u6301\u5747\u8861\u7684\u8bfb\u53d6\/\u5199\u5165\u6bd4\u7387\u3002<\/p>\n Danilak\u8868\u793a\uff1a"TRIM\u5c06\u6539\u5584SSD\u7684\u5783\u573e\u56de\u6536\u80fd\u529b\uff0c\u4f46\u662f\u5982\u679c\u4f60\u8fde\u8fd9\u4e2a\u57fa\u672c\u7684\u529f\u80fd\u90fd\u6ca1\u6709\uff0c\u90a3\u5c31\u662f\u5bf9\u725b\u5f39\u7434\u4e86\u3002"<\/p>\n \u6570\u636e\u5e93\u3001\u6587\u4ef6\u7cfb\u7edf\u548cRAID<\/strong>\u8fd8\u672a\u505a\u597dTRIM<\/strong>\u51c6\u5907<\/strong><\/p>\n Fusion-io\u9996\u5e2d\u6280\u672f\u5b98David Flynn \u8868\u793a\uff0cTRIM\u7684\u53e6\u4e00\u4e2a\u9650\u5236\u5c31\u662f\u6587\u4ef6\u7cfb\u7edf\u8fd8\u4e0d\u80fd\u611f\u77e5\u6587\u4ef6\u4e2d\u7684\u54ea\u4e9b\u5757\u53ef\u80fd\u662f\u4e0d\u518d\u6709\u7528\u7684\u3002Fusion-io\u4ece\u7b2c\u4e00\u6b3e\u4ea7\u54c1ioDrive\u5f00\u59cb\u4fbf\u652f\u6301TRIM\u3002<\/p>\n Flynn\u8868\u793a\uff1a"\u4f8b\u5982\uff0c\u4e00\u4e2a\u6570\u636e\u5e93\u6587\u4ef6\u7684\u4e00\u90e8\u5206\u53ef\u80fd\u8fc7\u53bb\u66fe\u627f\u8f7d\u76f8\u5173\u6570\u636e\uff0c\u4f46\u662f\u73b0\u5728\u5df2\u7ecf\u6beb\u65e0\u7528\u5904\u4e86\u7684\u3002\u9664\u975e\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u4ee5\u53d1\u5e03TRIM\u901a\u77e5\uff0c\u5426\u5219\u5728\u7ebf\u7684\u788e\u7247\u6574\u7406\u8fc7\u7a0b\u8fd8\u662f\u65e0\u6cd5\u77e5\u9053\u8fd9\u4e9b\u5757\u662f\u65e0\u7528\u7684\u3002"<\/p>\n Flynn\u8868\u793a\uff0c\u66f4\u7cdf\u7684\u662f\uff0c\u5728RAID\u4e2d\uff08\u5728\u8fd9\u4e2a\u8bbe\u7f6e\u4e2d\uff0c\u4e00\u4e2aSSD\u88ab\u955c\u50cf\u5230\u53e6\u4e00\u4e2aSSD\uff09\uff0c\u91cd\u5efa\u6d41\u7a0b\u5c06\u4e0d\u77e5\u9053\u54ea\u4e9b\u5757\u662f\u65e0\u7528\u7684\u3002<\/p>\n Flynn\u8865\u5145\u9053\uff1a"RAID\u7cfb\u7edf\u56e0\u6b64\u5c06\u628a\u65e0\u7528\u7684\u5757\u590d\u5236\u5230\u955c\u50cf\u9a71\u52a8\u5668\u3002\u8fd9\u6837\uff0c\u5373\u4f7f\u9a71\u52a8\u5668\u539f\u6765\u62e5\u6709\u63a2\u77e5\u6570\u636e\u5757\u76f8\u5173\u6027\u7684\u529f\u80fd\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4e5f\u53d1\u6325\u4e0d\u51fa\u4f18\u52bf\u3002"<\/p>\n Flynn\u8865\u5145\u9053Windows\u548cLinux\u4e0a\u7684\u6587\u4ef6\u7cfb\u7edf\u6700\u8fd1\u624d\u5347\u7ea7\u5230\u53ef\u4ee5\u53d1\u5e03TRIM\u901a\u77e5\uff0c\u4f46\u662f\u6570\u636e\u5e93\u548c\u5176\u4ed6\u4e3b\u8981\u5e94\u7528\u7a0b\u5e8f\u4ecd\u7136\u8fd8\u4e0d\u80fd\u53d1\u5e03TRIM\u6307\u5bfc\uff0c\u540c\u65f6RAID\uff08\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217\uff09\u7cfb\u7edf\u8fd8\u672a\u5177\u5907\u8db3\u591f\u7684TRIM\u611f\u77e5\u529f\u80fd\u6765\u9632\u6b62\u91cd\u5efa\u8fc7\u7a0b\u4e2d\u7684\u4fe1\u606f\u4e22\u5931\u3002<\/p>\n Flynn\u8868\u793a\u91cd\u8981\u7684\u662f\u6211\u4eec\u8981\u8ba4\u8bc6\u5230TRIM\u7684\u4f18\u52bf\u53d7\u5236\u4e8e\u6587\u4ef6\u7cfb\u7edf\u4e2d\u5269\u4f59\u95f2\u7f6e\u7a7a\u95f4\u5927\u5c0f\u3002<\/p>\n Flynn\u8868\u793a\uff1a"\u5982\u679c\u6587\u4ef6\u7cfb\u7edf\u51e0\u4e4e\u6ee1\u4e86\uff0cTRIM\u5c31\u4e0d\u80fd\u53d1\u6325\u4f18\u52bf\u4e86\u3002\u4e0d\u8fc7\uff0c\u5982\u679c\u6709\u4eba\u613f\u610f\u7559\u4e0b\u4e00\u5b9a\u7684\u95f2\u7f6e\u7a7a\u95f4\u6765\u83b7\u5f97\u66f4\u597d\u7684\u5199\u5165\u6027\u80fd\uff0c\u90a3\u4e48\u53ea\u8981\u7b80\u5355\u5730\u683c\u5f0f\u5316SSD\uff0c\u53ea\u662f\u53ef\u7528\u5bb9\u91cf\u66f4\u5c0f\u3002"<\/p>\n \u867d\u7136Flynn\u4e5f\u8ba4\u53efTRIM\u662f\u5f88\u597d\u7684\u529f\u80fd\uff0c\u4f46\u662f\u4ed6\u5e76\u4e0d\u662f\u5f88\u70ed\u8877\u3002\u4ed6\u8868\u793a\uff1a"\u5b9e\u9645\u4e0a\uff0cTRIM\u5c31\u662f\u5141\u8bb8\u95f2\u7f6e\u5757\u6539\u5584\u5199\u5165\u6027\u80fd\uff0c\u8fd9\u548c\u5728\u6587\u4ef6\u7cfb\u7edf\u5916\u66f4\u591a\u5730\u8fc7\u91cf\u914d\u7f6e\u7a7a\u95f4\u7684\u6548\u679c\u662f\u4e00\u6837\u7684\u3002"<\/p>\n \u4e0d\u8fc7\uff0cTRIM\u4ecd\u7136\u6709\u52a9\u4e8e\u6539\u5584SSD\u901f\u5ea6\u3002<\/p>\n Handy\u8868\u793a\uff1a"\u66f4\u5feb\u7684SSD\u53ef\u4ee5\u5438\u5f15\u90a3\u4e9b\u613f\u610f\u4e3a\u66f4\u5feb\u7684\u7a0b\u5e8f\u52a0\u8f7d\u901f\u5ea6\u800c\u652f\u4ed8\u8d39\u7528\u7684\u5ba2\u6237\u3002"<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u5982\u679c\u4f60\u8fd8\u6ca1\u542c\u8bf4\u8fc7TRIM\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u542c\u542c\u8fd9\u79cd\u6280\u672f\u7684\u53d1\u8d77\u8005\u600e\u4e48\u8bf4\u3002\u8fd9\u4e9b\u53d1\u8d77\u8005\u5305\u62ec\u56fa\u6001\u9a71\u52a8\u5668\uff08SSD\uff09\u5236\u9020\u5546\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5f00\u53d1\u5382\u5546\u548c\u6570\u636e\u5b58\u50a8\u5382\u5546\u3002 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