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\u670d\u52a1\u5668\u901a\u5e38\u8fd0\u884c\u7684\u662f\u6df7\u5408\u578b\u5de5\u4f5c\u8d1f\u8f7d\u3002\u6570\u636e\u5e93\u4f1a\u5bf9\u67d0\u4e9b\u5757\u6301\u7eed\u9ad8\u9891\u5199\u5165\uff0c\u65e5\u5fd7\u6587\u4ef6\u53c8\u4f1a\u9891\u7e41\u8bbf\u95ee\u5176\u4ed6\u533a\u57df\u3002\u5168\u5c40\u78e8\u635f\u5747\u8861\u80fd\u591f\u786e\u4fdd\u201c\u78e8\u635f\u5747\u8861\u5982\u4f55\u63d0\u5347 SSD \u5bff\u547d\u201d\u8fd9\u4e00\u673a\u5236\u4f5c\u7528\u4e8e\u6574\u4e2a\u786c\u76d8\uff0c\u800c\u4e0d\u53ea\u662f\u5c40\u90e8\u70ed\u70b9\u533a\u57df\u3002\u63a7\u5236\u5668\u4f1a\u8ddf\u8e2a\u6bcf\u4e00\u4e2a\u5757\u7684 P\/E \u6b21\u6570\uff0c\u5e76\u901a\u8fc7\u8fc1\u79fb\u6570\u636e\u6765\u5e73\u8861\u78e8\u635f\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4f60\u7684\u8bbe\u5907\u7fa4\u5728\u5199\u5165\u8010\u4e45\u6027\u65b9\u9762\u5c31\u4f1a\u66f4\u53ef\u9884\u6d4b\u3002<\/p>\n
\u9759\u6001\u78e8\u635f\u5747\u8861\u5728\u8fd9\u91cc\u626e\u6f14\u7740\u5173\u952e\u89d2\u8272\u3002\u5426\u5219\uff0c\u4fdd\u5b58\u51b7\u6570\u636e\u7684\u5757\u4f1a\u4e00\u76f4\u95f2\u7f6e\uff0cP\/E \u6b21\u6570\u4fdd\u6301\u5f88\u4f4e\u3002\u9759\u6001\u78e8\u635f\u5747\u8861\u4f1a\u5f3a\u5236\u8fd9\u4e9b\u5757\u52a0\u5165\u8f6e\u6362\u3002\u63a7\u5236\u5668\u901a\u8fc7\u91cd\u65b0\u5b89\u7f6e\u9759\u6001\u6570\u636e\uff0c\u8ba9\u4f4e\u78e8\u635f\u5757\u91cd\u65b0\u91ca\u653e\u51fa\u6765\u4f9b\u65b0\u5199\u5165\u4f7f\u7528\u3002\u78e8\u635f\u5747\u8861\u4e4b\u6240\u4ee5\u80fd\u591f\u5ef6\u957f SSD \u5bff\u547d\uff0c\u5173\u952e\u5c31\u5728\u4e8e\u8fd9\u79cd\u6301\u7eed\u4e0d\u65ad\u7684\u91cd\u65b0\u5e73\u8861\u3002<\/p>\n
\u5168\u5c40\u78e8\u635f\u5747\u8861\u8fd8\u80fd\u591f\u9632\u6b62\u5de5\u4f5c\u8d1f\u8f7d\u503e\u659c\u5e26\u6765\u7684\u95ee\u9898\u3002\u5982\u679c\u67d0\u4e2a\u7e41\u5fd9\u5206\u533a\u8ba9\u4e00\u90e8\u5206\u82af\u7247\u627f\u53d7\u8fdc\u9ad8\u4e8e\u5176\u4ed6\u82af\u7247\u7684\u5199\u5165\u538b\u529b\uff0c\u8fd9\u4e9b\u82af\u7247\u5c31\u4f1a\u66f4\u65e9\u8017\u5c3d\u5bff\u547d\u3002\u5168\u5c40\u78e8\u635f\u5747\u8861\u5219\u4f1a\u5c06\u8fd9\u4e9b P\/E \u5faa\u73af\u6269\u6563\u5230\u6240\u6709\u82af\u7247\u4e0a\u3002\u8fd9\u6837\uff0cSSD \u7684\u5bff\u547d\u66f4\u957f\uff0c\u6574\u4e2a\u8bbe\u5907\u7fa4\u4e2d SSD \u7684\u5bff\u547d\u5206\u5e03\u4e5f\u4f1a\u66f4\u8d8b\u4e8e\u4e00\u81f4\u3002<\/p>\n
\u4f60\u65e0\u6cd5\u76f4\u63a5\u63a7\u5236\u63a7\u5236\u5668\u5185\u90e8\u7684\u7b97\u6cd5\uff0c\u56e0\u6b64\u5e94\u5f53\u4fe1\u4efb\u5168\u5c40\u78e8\u635f\u5747\u8861\u81ea\u884c\u53d1\u6325\u4f5c\u7528\u3002\u63a7\u5236\u5668\u4f1a\u81ea\u52a8\u5904\u7406 P\/E \u5206\u5e03\uff0c\u800c\u4f60\u9700\u8981\u505a\u7684\uff0c\u662f\u63d0\u4f9b\u8db3\u591f\u7684\u7a7a\u95f2\u7a7a\u95f4\u5e76\u76d1\u63a7\u78e8\u635f\u6307\u6807\u3002\u5168\u5c40\u78e8\u635f\u5747\u8861\u53ea\u6709\u5728\u786c\u76d8\u6709\u8db3\u591f\u817e\u632a\u7a7a\u95f4\u65f6\uff0c\u624d\u80fd\u53d1\u6325\u6700\u4f73\u6548\u679c\u3002\u6ca1\u6709\u5907\u7528\u5757\uff0c\u63a7\u5236\u5668\u5c31\u65e0\u6cd5\u9ad8\u6548\u8fc1\u79fb\u6570\u636e\u3002\u5168\u5c40\u78e8\u635f\u5747\u8861\u9700\u8981\u5145\u8db3\u4f59\u91cf\u6765\u5e73\u8861 P\/E \u5faa\u73af\u3002\u8bf7\u4fdd\u7559\u5145\u8db3\u7684\u9884\u7559\u5bb9\u91cf\uff0c\u4e3a\u5168\u5c40\u78e8\u635f\u5747\u8861\u63d0\u4f9b\u5fc5\u8981\u7a7a\u95f4\u3002\u6700\u7ec8\u6548\u679c\u5c31\u662f\u78e8\u635f\u66f4\u5747\u5300\u3001\u8010\u4e45\u6027\u66f4\u957f\uff0c\u4e5f\u80fd\u51cf\u5c11\u670d\u52a1\u5668\u4e2d\u7a81\u53d1\u6027\u7684\u786c\u76d8\u6545\u969c\u3002<\/p>\n

\u9884\u7559\u7a7a\u95f4\u5982\u4f55\u5ef6\u957f SSD \u5bff\u547d\uff1f<\/strong><\/h2>\n
\u9884\u7559\u7a7a\u95f4\uff08Over-Provisioning\uff09\u662f\u6307\u9884\u5148\u4fdd\u7559\u4e00\u90e8\u5206 NAND \u5757\uff0c\u4f9b\u63a7\u5236\u5668\u7528\u4e8e\u78e8\u635f\u5747\u8861\u3001\u5783\u573e\u56de\u6536\u4ee5\u53ca\u574f\u5757\u66ff\u6362\u3002\u8fd9\u4e9b\u5907\u7528\u5757\u4e0d\u4f1a\u4fdd\u5b58\u4f60\u7684\u4e1a\u52a1\u6570\u636e\u3002\u5f53\u63a7\u5236\u5668\u9700\u8981\u8fc1\u79fb\u6570\u636e\u3001\u64e6\u9664\u5757\u6216\u8005\u66ff\u6362\u5931\u6548\u5355\u5143\u65f6\uff0c\u5c31\u4f1a\u8c03\u7528\u8fd9\u4e9b\u5757\u3002\u5907\u7528\u5757\u8d8a\u591a\uff0c\u63a7\u5236\u5668\u7ba1\u7406\u78e8\u635f\u7684\u7a7a\u95f4\u5c31\u8d8a\u5927\uff0c\u800c\u8fd9\u4f1a\u76f4\u63a5\u5ef6\u957f SSD \u7684\u5bff\u547d\u3002<\/p>\n
\u5982\u4f55\u8bbe\u5b9a\u5408\u9002\u7684\u9884\u7559\u7a7a\u95f4\u6bd4\u4f8b<\/h3>\n
\u5e94\u5f53\u4fdd\u7559\u4e00\u90e8\u5206\u7a7a\u95f2\u5bb9\u91cf\u3002\u8fd9\u4e9b\u7a7a\u95f2\u5bb9\u91cf\u4f1a\u7ed9\u63a7\u5236\u5668\u63d0\u4f9b\u8db3\u591f\u7684\u5907\u7528\u5757\uff0c\u7528\u4e8e\u63a7\u5236\u5199\u5165\u653e\u5927\u5e76\u5c3d\u91cf\u5747\u5300\u5730\u5206\u5e03\u78e8\u635f\u3002\u5bf9\u4e8e\u4ee5\u8bfb\u53d6\u4e3a\u4e3b\u3001\u5199\u5165\u8f83\u8f7b\u7684\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u8f83\u5c0f\u7684\u9884\u7559\u7a7a\u95f4\u5c31\u53ef\u4ee5\u6ee1\u8db3\u9700\u6c42\uff1b\u800c\u5199\u5165\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\u5219\u9700\u8981\u66f4\u5927\u7684\u9884\u7559\u6bd4\u4f8b\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u4e0d\u540c\u9884\u7559\u89c4\u6a21\u4e0b\u7684\u5178\u578b\u8868\u73b0\u3002<\/p>\n
\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n

\u9884\u7559\u7a7a\u95f4\u89c4\u6a21<\/th>\n \u5199\u5165\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d<\/th>\n \u8bfb\u53d6\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d<\/th>\n<\/tr>\n
\u8f83\u5c0f\u9884\u7559<\/td>\n \u8010\u4e45\u6027\u63d0\u5347\u6709\u9650\uff1b\u5199\u5165\u653e\u5927\u98ce\u9669\u8f83\u9ad8<\/td>\n \u5bf9\u4e8e\u8f7b\u91cf\u5199\u5165\u53ef\u4ee5\u63a5\u53d7<\/td>\n<\/tr>\n
\u4e2d\u7b49\u9884\u7559<\/td>\n \u8010\u4e45\u6027\u6709\u4e2d\u7b49\u5e45\u5ea6\u63d0\u5347<\/td>\n \u9002\u5408\u6df7\u5408\u578b\u4f7f\u7528\u573a\u666f\uff0c\u5e73\u8861\u8f83\u597d<\/td>\n<\/tr>\n
\u8f83\u5927\u9884\u7559<\/td>\n \u5728\u8010\u4e45\u6027\u548c\u78e8\u635f\u5206\u5e03\u65b9\u9762\u8868\u73b0\u66f4\u5f3a<\/td>\n \u5bf9\u4e8e\u8bfb\u591a\u5199\u5c11\u573a\u666f\u6765\u8bf4\u53ef\u80fd\u9884\u7559\u8fc7\u591a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u66f4\u5927\u7684\u9884\u7559\u7a7a\u95f4\u80fd\u591f\u964d\u4f4e\u5199\u5165\u653e\u5927\u3002\u63a7\u5236\u5668\u53ef\u4ee5\u66f4\u5feb\u627e\u5230\u7a7a\u95f2\u5757\uff0c\u5783\u573e\u56de\u6536\u4e5f\u4f1a\u66f4\u9ad8\u6548\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u786c\u76d8\u5728\u6301\u7eed\u5199\u5165\u573a\u666f\u4e0b\u5c31\u4e0d\u5bb9\u6613\u56e0\u8fc7\u65e9\u78e8\u635f\u800c\u7f29\u77ed\u5bff\u547d\u3002<\/p>\n
\u4e3b\u673a\u4fa7\u9884\u7559\u7a7a\u95f4\u4e0e\u7a7a\u95f2\u5bb9\u91cf\u7ba1\u7406<\/h3>\n
\u4f60\u8fd8\u53ef\u4ee5\u5728\u4e3b\u673a\u4fa7\u521b\u5efa\u9884\u7559\u7a7a\u95f4\u3002\u65b9\u6cd5\u662f\uff1a\u4e0d\u8981\u5bf9\u786c\u76d8\u5168\u90e8\u5bb9\u91cf\u90fd\u8fdb\u884c\u5206\u533a\uff0c\u800c\u662f\u53ea\u5212\u5206\u90e8\u5206\u5bb9\u91cf\uff0c\u5269\u4f59\u672a\u5206\u533a\u7a7a\u95f4\u4fdd\u6301\u95f2\u7f6e\u3002\u63a7\u5236\u5668\u4f1a\u5c06\u8fd9\u4e9b\u672a\u4f7f\u7528\u7a7a\u95f4\u89c6\u4e3a\u5907\u7528\u5757\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u4efb\u4f55\u54c1\u724c\u548c\u578b\u53f7\u3002<\/p>\n
\u4e3b\u673a\u4fa7\u9884\u7559\u7a7a\u95f4\u8fd8\u80fd\u5e2e\u52a9\u4f60\u5728\u670d\u52a1\u5668\u4e2d\u7684\u591a\u5757\u786c\u76d8\u4e4b\u95f4\u66f4\u5747\u5300\u5730\u5206\u914d\u5199\u5165\u3002\u5f53\u67d0\u4e00\u5757\u786c\u76d8\u627f\u62c5\u4e86\u66f4\u591a\u6d41\u91cf\u65f6\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5206\u533a\u7b56\u7565\u6765\u8f6c\u79fb\u8d1f\u8f7d\uff0c\u4ece\u800c\u4f7f\u6574\u4e2a\u8bbe\u5907\u7fa4\u7684\u78e8\u635f\u66f4\u52a0\u5747\u8861\u3002\u8bf7\u5b9a\u671f\u76d1\u63a7\u7a7a\u95f2\u7a7a\u95f4\u3002\u4e00\u65e6\u786c\u76d8\u88ab\u586b\u6ee1\uff0c\u5176\u9884\u7559\u7a7a\u95f4\u7684\u6548\u679c\u5c31\u4f1a\u6d88\u5931\u3002\u6ca1\u6709\u5907\u7528\u5757\uff0c\u63a7\u5236\u5668\u5c31\u65e0\u6cd5\u6709\u6548\u6267\u884c\u78e8\u635f\u5747\u8861\u3002\u8bf7\u5728\u6bcf\u4e00\u5757\u786c\u76d8\u4e0a\u90fd\u4fdd\u7559\u672a\u5206\u533a\u7684\u9884\u7559\u5bb9\u91cf\u3002\u8fd9\u4e2a\u7b80\u5355\u52a8\u4f5c\uff0c\u80fd\u591f\u4fdd\u62a4\u8010\u4e45\u6027\u5e76\u5ef6\u957f\u6574\u4e2a\u5b58\u50a8\u8bbe\u5907\u7fa4\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n
\u5de5\u4f5c\u8d1f\u8f7d\u4f18\u5316\u5982\u4f55\u9632\u6b62\u78e8\u635f\u4e0d\u5747\uff1f<\/strong><\/h2>\n
\u53ea\u6709\u5728\u62e5\u6709\u5e72\u51c0\u3001\u7a7a\u95f2\u5757\u53ef\u4f9b\u8c03\u5ea6\u65f6\uff0c\u63a7\u5236\u5668\u624d\u80fd\u771f\u6b63\u5e73\u8861\u78e8\u635f\u3002\u5de5\u4f5c\u8d1f\u8f7d\u4f18\u5316\u7684\u4ef7\u503c\uff0c\u5c31\u5728\u4e8e\u4e3a\u63a7\u5236\u5668\u521b\u9020\u8fd9\u79cd\u6761\u4ef6\u3002\u5408\u7406\u7684\u914d\u7f6e\u548c\u6d41\u91cf\u6a21\u5f0f\u53ef\u4ee5\u964d\u4f4e\u5199\u5165\u653e\u5927\u3001\u5747\u5300\u5206\u6563\u5199\u5165\uff0c\u5e76\u4fdd\u62a4\u670d\u52a1\u5668\u4e2d\u6bcf\u4e00\u5757\u786c\u76d8\u7684\u8010\u4e45\u6027\u3002<\/p>\n
TRIM \u4e0e\u5199\u5165\u653e\u5927<\/h3>\n
\u8bf7\u5728\u6bcf\u4e00\u4e2a\u5377\u4e0a\u90fd\u4fdd\u6301 TRIM \u5904\u4e8e\u542f\u7528\u72b6\u6001\u3002TRIM \u4f1a\u544a\u8bc9\u63a7\u5236\u5668\uff0c\u6587\u4ef6\u7cfb\u7edf\u4e2d\u54ea\u4e9b\u6570\u636e\u5757\u5df2\u7ecf\u4e0d\u518d\u9700\u8981\u3002\u63a7\u5236\u5668\u968f\u540e\u53ef\u4ee5\u5728\u7a7a\u95f2\u65f6\u64e6\u9664\u8fd9\u4e9b\u5757\uff0c\u800c\u4e0d\u662f\u5728\u5199\u5165\u9ad8\u5cf0\u671f\u4e34\u65f6\u5904\u7406\u3002\u8fd9\u6837\u5c31\u80fd\u6301\u7eed\u4e3a\u78e8\u635f\u5747\u8861\u63d0\u4f9b\u7a33\u5b9a\u7684\u7a7a\u95f2\u5757\u6765\u6e90\u3002\u5982\u679c\u6ca1\u6709 TRIM\uff0c\u63a7\u5236\u5668\u53ea\u80fd\u5728\u5199\u5165\u53d1\u751f\u65f6\u4e00\u8fb9\u6e05\u7406\u65e7\u6570\u636e\u4e00\u8fb9\u6267\u884c\u65b0\u5199\u5165\u3002\u8fd9\u79cd\u989d\u5916\u5de5\u4f5c\u4f1a\u63d0\u9ad8\u5199\u5165\u653e\u5927\uff0c\u5e76\u52a0\u901f\u78e8\u635f\u3002<\/p>\n
\u5199\u5165\u653e\u5927\u63cf\u8ff0\u7684\u662f\uff1a\u5b9e\u9645\u5199\u5165 NAND \u7684\u6570\u636e\u91cf\uff0c\u76f8\u5bf9\u4e8e\u4e3b\u673a\u8bf7\u6c42\u5199\u5165\u7684\u6570\u636e\u91cf\u4e4b\u95f4\u7684\u6bd4\u503c\u3002\u5199\u5165\u653e\u5927\u8d8a\u9ad8\uff0c\u610f\u5473\u7740\u540c\u6837\u7684\u4e1a\u52a1\u8d1f\u8f7d\u4f1a\u6d88\u8017\u66f4\u591a\u7a0b\u5e8f\/\u64e6\u9664\u5faa\u73af\uff0c\u800c\u8fd9\u4f1a\u76f4\u63a5\u7f29\u77ed SSD \u5bff\u547d\u3002<\/p>\n
\u987a\u5e8f\u5199\u5165\u6709\u52a9\u4e8e\u4fdd\u6301\u8f83\u4f4e\u7684\u5199\u5165\u653e\u5927\u3002\u63a7\u5236\u5668\u53ef\u4ee5\u6309\u987a\u5e8f\u586b\u6ee1\u6574\u4e2a\u5757\uff0c\u56e0\u6b64\u6bcf\u6b21\u5199\u5165\u6240\u9700\u64e6\u9664\u7684\u5757\u66f4\u5c11\u3002\u5c0f\u89c4\u6a21\u968f\u673a\u5199\u5165\u5219\u6070\u6070\u76f8\u53cd\u3002\u6bcf\u4e00\u6b21\u5c0f\u968f\u673a\u5199\u5165\uff0c\u90fd\u53ef\u80fd\u89e6\u53d1\u5bf9\u6574\u4e2a\u5757\u7684\u8bfb\u53d6\u2014\u4fee\u6539\u2014\u64e6\u9664\u2014\u5199\u5165\u5faa\u73af\u3002\u7531\u5927\u91cf\u5c0f\u968f\u673a\u5199\u5165\u6784\u6210\u7684\u9ad8\u5199\u5165\u653e\u5927\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u53ef\u80fd\u4f7f NAND \u5185\u90e8\u6d41\u91cf\u653e\u5927\u6570\u500d\u3002\u5982\u679c\u6761\u4ef6\u5141\u8bb8\uff0c\u8bf7\u5c3d\u91cf\u5c06\u5199\u5165\u8fdb\u884c\u6279\u5904\u7406\u3002\u65e5\u5fd7\u805a\u5408\u3001\u6570\u636e\u5e93\u68c0\u67e5\u70b9\u4ee5\u53ca\u5907\u4efd\u4efb\u52a1\uff0c\u90fd\u66f4\u9002\u5408\u91c7\u7528\u987a\u5e8f\u5199\u5165\u6a21\u5f0f\u3002<\/p>\n
\u5207\u52ff\u5bf9 SSD \u8fdb\u884c\u788e\u7247\u6574\u7406\u3002\u788e\u7247\u6574\u7406\u662f\u4e3a\u673a\u68b0\u786c\u76d8\u8bbe\u8ba1\u7684\uff0c\u56e0\u4e3a\u673a\u68b0\u786c\u76d8\u7684\u6027\u80fd\u4f1a\u53d7\u5230\u7269\u7406\u6570\u636e\u4f4d\u7f6e\u7684\u5f71\u54cd\u3002<\/p><\/blockquote>\n
\u800c\u5728 SSD \u4e0a\uff0c\u788e\u7247\u6574\u7406\u4e0d\u4f1a\u5e26\u6765\u6027\u80fd\u6536\u76ca\uff0c\u53cd\u800c\u4f1a\u56e0\u4e3a\u4e0d\u5fc5\u8981\u5730\u79fb\u52a8\u6570\u636e\u800c\u6d88\u8017\u6709\u9650\u7684\u5199\u5165\u5bff\u547d\u3002\u7531\u4e8e SSD \u7684\u5bff\u547d\u4e0e\u5199\u5165\u8010\u4e45\u6027\u76f4\u63a5\u76f8\u5173\uff0c\u8fd9\u7c7b\u989d\u5916\u5199\u5165\u4f1a\u7f29\u77ed\u786c\u76d8\u7684\u53ef\u7528\u5bff\u547d\u3002\u8bf7\u4e3a SSD \u5377\u7981\u7528\u81ea\u52a8\u788e\u7247\u6574\u7406\uff0c\u5e76\u5728\u64cd\u4f5c\u7cfb\u7edf\u7684\u78c1\u76d8\u4f18\u5316\u8bbe\u7f6e\u4e2d\u786e\u8ba4\u8fd9\u4e00\u70b9\u3002\u4f4e\u7ea7\u683c\u5f0f\u5316\u4e5f\u5b58\u5728\u7c7b\u4f3c\u98ce\u9669\uff0c\u5e94\u5f53\u907f\u514d\u5728 SSD \u4e0a\u6267\u884c\u3002<\/p>\n
\u5206\u6563\u5199\u5165\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d<\/h3>\n
\u5373\u4f7f TRIM \u8bbe\u7f6e\u5b8c\u7f8e\uff0c\u4e5f\u65e0\u6cd5\u89e3\u51b3\u4e25\u91cd\u503e\u659c\u7684\u5de5\u4f5c\u8d1f\u8f7d\u3002\u5982\u679c\u6240\u6709\u65e5\u5fd7\u5199\u5165\u90fd\u843d\u5728\u540c\u4e00\u5757\u786c\u76d8\u4e0a\uff0c\u90a3\u4e48\u6700\u5148\u78e8\u635f\u5230\u6781\u9650\u7684\u5c31\u4e00\u5b9a\u662f\u90a3\u5757\u76d8\u3002\u5e94\u5c06\u5199\u5165\u5bc6\u96c6\u578b\u4efb\u52a1\u5206\u6563\u5230\u591a\u5757\u786c\u76d8\u4e0a\u3002\u4f8b\u5982\uff0c\u53ef\u5c06\u6570\u636e\u5e93 redo \u65e5\u5fd7\u4e0e\u6570\u636e\u6587\u4ef6\u5206\u5f00\u653e\u7f6e\uff0c\u5c06\u5e94\u7528\u65e5\u5fd7\u8def\u7531\u5230\u4e13\u7528\u5377\u4e2d\u3002\u8fd9\u6837\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\/\u64e6\u9664\u5faa\u73af\u5206\u6563\u5230\u66f4\u591a NAND \u4e0a\uff0c\u4ece\u800c\u5728\u8bbe\u5907\u7fa4\u5c42\u9762\u964d\u4f4e\u78e8\u635f\u4e0d\u5747\u3002<\/p>\n
RAID \u5728\u8fd9\u65b9\u9762\u4e5f\u6709\u5e2e\u52a9\uff0c\u4f46\u524d\u63d0\u662f\u6761\u5e26\u5927\u5c0f\u8bbe\u7f6e\u5408\u7406\u3002\u6761\u5e26\u592a\u5c0f\uff0c\u4f1a\u628a\u5199\u5165\u5207\u5272\u6210\u66f4\u591a\u5c0f\u968f\u673a\u5199\u5165\uff0c\u4ece\u800c\u63d0\u9ad8\u5199\u5165\u653e\u5927\u3002\u5e94\u8ba9\u6761\u5e26\u5927\u5c0f\u4e0e\u5178\u578b I\/O \u5927\u5c0f\u76f8\u5339\u914d\uff0c\u4f7f\u4e00\u6b21\u5199\u5165\u5c3d\u53ef\u80fd\u843d\u5728\u5355\u5757\u786c\u76d8\u4e0a\u3002\u6bcf\u6b21\u8c03\u6574\u540e\uff0c\u90fd\u5e94\u76d1\u63a7\u6bcf\u5757\u786c\u76d8\u7684\u78e8\u635f\u60c5\u51b5\u3002\u5982\u679c\u67d0\u4e2a RAID \u6210\u5458\u7684\u78e8\u635f\u901f\u5ea6\u660e\u663e\u5feb\u4e8e\u5176\u4ed6\u6210\u5458\uff0c\u5c31\u5e94\u5728\u5dee\u8ddd\u6269\u5927\u4e4b\u524d\u5c3d\u5feb\u91cd\u65b0\u5e73\u8861\u5de5\u4f5c\u8d1f\u8f7d\u3002<\/p>\n
\u5982\u4f55\u76d1\u63a7 SSD \u78e8\u635f\u548c S.M.A.R.T. \u5c5e\u6027\uff1f<\/strong><\/h2>\n
\u65e0\u6cd5\u5ea6\u91cf\uff0c\u5c31\u65e0\u6cd5\u7ba1\u7406\u3002S.M.A.R.T. \u6570\u636e\u4e3a\u4f60\u63d0\u4f9b\u4e86\u8ddf\u8e2a\u670d\u52a1\u5668\u4e2d\u6bcf\u4e00\u5757\u786c\u76d8\u78e8\u635f\u60c5\u51b5\u7684\u539f\u59cb\u4f9d\u636e\u3002\u5b9a\u671f\u68c0\u67e5\u8fd9\u4e9b\u5c5e\u6027\uff0c\u624d\u80fd\u5728\u78e8\u635f\u4e0d\u5747\u6f14\u53d8\u4e3a\u6545\u969c\u4e4b\u524d\u53ca\u65f6\u53d1\u73b0\u95ee\u9898\u3002<\/p>\n
\u4e0e\u78e8\u635f\u76f8\u5173\u7684\u5173\u952e S.M.A.R.T. \u5c5e\u6027<\/h3>\n
\u5728\u8ddf\u8e2a\u8010\u4e45\u6027\u65f6\uff0c\u6709\u56db\u9879\u5c5e\u6027\u6700\u503c\u5f97\u91cd\u70b9\u5173\u6ce8\u3002Percentage Used \u8868\u793a\u786c\u76d8\u989d\u5b9a\u5bff\u547d\u5df2\u7ecf\u6d88\u8017\u4e86\u591a\u5c11\uff1bData Units Written \u7edf\u8ba1\u7d2f\u8ba1\u5199\u5165\u5230 NAND \u7684\u6570\u636e\u91cf\uff1bAvailable Spare \u8868\u793a\u63a7\u5236\u5668\u4ecd\u53ef\u4f7f\u7528\u7684\u5907\u7528\u5757\u6570\u91cf\uff1bMedia and Data Integrity Errors \u8bb0\u5f55\u65e0\u6cd5\u6821\u6b63\u7684\u9519\u8bef\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u4e00\u5757\u5065\u5eb7 NVMe \u786c\u76d8\u4e2d\u8fd9\u4e9b\u6307\u6807\u7684\u5178\u578b\u542b\u4e49\u3002<\/p>\n
\u5728\u89c4\u5212\u6574\u4e2a\u8bbe\u5907\u7fa4\u65f6\uff0c\u5e94\u56f4\u7ed5 TBW\uff08Terabytes Written\uff09\u548c DWPD\uff08Drive Writes Per Day\uff09\u8fdb\u884c\u8bbe\u8ba1\u3002TBW \u8868\u793a\u786c\u76d8\u5728\u5176\u751f\u547d\u5468\u671f\u5185\u603b\u5171\u53ef\u627f\u53d7\u7684\u5199\u5165\u91cf\uff1bDWPD \u5219\u8868\u793a\u5728\u4fdd\u4fee\u671f\u5185\uff0c\u786c\u76d8\u6bcf\u5929\u652f\u6301\u591a\u5c11\u6b21\u6574\u76d8\u5199\u5165\u3002\u8fd9\u4e24\u4e2a\u6307\u6807\u80fd\u5e2e\u52a9\u4f60\u6839\u636e\u5de5\u4f5c\u8d1f\u8f7d\u9009\u62e9\u5408\u9002\u7b49\u7ea7\u7684\u786c\u76d8\u3002TBW \u8f83\u4f4e\u7684\u786c\u76d8\u9002\u5408\u8bfb\u591a\u5199\u5c11\u4efb\u52a1\uff1b\u5199\u5165\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\u5219\u9700\u8981\u66f4\u9ad8\u8010\u4e45\u7b49\u7ea7\u7684\u578b\u53f7\u3002\u8fd8\u5e94\u8c28\u614e\u9009\u62e9 NAND \u7c7b\u578b\u3002TLC \u95ea\u5b58\u7684\u8010\u4e45\u6027\u901a\u5e38\u9ad8\u4e8e QLC\uff0cQLC \u66f4\u9002\u5408\u8bfb\u591a\u5199\u5c11\u7684\u573a\u666f\u3002\u5c06 NAND \u7c7b\u578b\u4e0e\u5de5\u4f5c\u8d1f\u8f7d\u5339\u914d\uff0c\u624d\u80fd\u8ba9\u8010\u4e45\u6027\u66f4\u53ef\u9884\u6d4b\u3002<\/p>\n
\u9762\u5411\u6574\u4e2a\u8bbe\u5907\u7fa4\u7684\u76d1\u63a7\u5de5\u5177<\/h3>\n
\u5f53\u670d\u52a1\u5668\u6570\u91cf\u8fbe\u5230\u6570\u767e\u53f0\u65f6\uff0c\u624b\u5de5\u68c0\u67e5\u663e\u7136\u65e0\u6cd5\u6269\u5c55\u3002\u5efa\u8bae\u901a\u8fc7 cron \u4f5c\u4e1a\u6216 systemd \u5b9a\u65f6\u5668\uff0c\u6bcf 15 \u5206\u949f\u81ea\u52a8\u91c7\u96c6\u4e00\u6b21\u6570\u636e\uff0c\u518d\u7531\u4e2d\u5fc3\u5316\u4eea\u8868\u76d8\u7edf\u4e00\u6c47\u603b\u3002\u4e0b\u9762\u662f\u6784\u5efa\u8bbe\u5907\u7fa4\u7ea7\u76d1\u63a7\u7684\u65b9\u5f0f\uff1a<\/p>\n
\n
\u5c06\u91c7\u96c6\u5668\u914d\u7f6e\u4e3a\u4e00\u6b21\u6027 systemd \u670d\u52a1\uff0c\u5e76\u8bbe\u7f6e `OnCalendar=:0\/15<\/code>\uff0c\u6216\u4f7f\u7528 cron \u8ba1\u5212\u4efb\u52a1\uff0c\u4f8b\u5982 \/15 * * * *<\/code>\u3002<\/li>\n`
`\u4e3a\u6bcf\u53f0\u670d\u52a1\u5668\u5206\u914d\u552f\u4e00\u7684\u4e3b\u673a ID\uff0c\u5e76\u5c06\u6570\u636e\u53d1\u9001\u5230\u4e2d\u592e\u6c47\u805a\u8282\u70b9\u3002<\/li>\n`
`\u6309\u670d\u52a1\u5668\u89d2\u8272\u6253\u6807\u7b7e\uff0c\u4f8b\u5982 production\u3001nvme\u3001raid\uff0c\u4ee5\u4fbf\u5206\u7ec4\u7ba1\u7406\u3002<\/li>\n`
`\u5728\u90e8\u7f72\u524d\uff0c\u5148\u901a\u8fc7 sudo smartctl -i \/dev\/nvme0n1<\/code> \u9a8c\u8bc1 NVMe \u8bbf\u95ee\u662f\u5426\u6b63\u5e38\u3002<\/li>\n`
\u8bbe\u7f6e\u544a\u8b66\u9608\u503c\uff0c\u4ee5\u4fbf\u5728\u8010\u4e45\u6027\u8017\u5c3d\u4e4b\u524d\u91c7\u53d6\u884c\u52a8\u3002<\/li>\n<\/ul>\n\u8fd9\u4e9b\u6b65\u9aa4\u80fd\u591f\u8ba9\u6574\u4e2a\u670d\u52a1\u5668\u96c6\u7fa4\u4e2d\u7684 P\/E \u5faa\u73af\u6570\u636e\u6301\u7eed\u53ef\u89c1\u3002\u4e00\u65e6\u67d0\u5757\u786c\u76d8\u7684\u78e8\u635f\u901f\u5ea6\u9ad8\u4e8e\u5176\u4ed6\u8bbe\u5907\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728\u5dee\u8ddd\u8fdb\u4e00\u6b65\u6269\u5927\u4e4b\u524d\u91cd\u65b0\u5e73\u8861\u5199\u5165\u3002\u4e3b\u52a8\u76d1\u63a7\u80fd\u591f\u4fdd\u62a4 SSD \u5bff\u547d\uff0c\u5e76\u9632\u6b62\u7a81\u53d1\u6545\u969c\u3002<\/p>\n \n<\/div>\n<\/div>\n\u81f3\u6b64\uff0c\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86\u5b9e\u73b0\u5747\u5300\u78e8\u635f\u7684\u56db\u5927\u652f\u67f1\u3002\u7b2c\u4e00\uff0c\u4fe1\u4efb\u5168\u5c40\u78e8\u635f\u5747\u8861\uff0c\u8ba9\u5faa\u73af\u5206\u5e03\u5230\u6bcf\u4e00\u9897\u82af\u7247\uff1b\u7b2c\u4e8c\uff0c\u9884\u7559\u8db3\u591f\u7a7a\u95f4\uff0c\u8ba9\u63a7\u5236\u5668\u59cb\u7ec8\u62e5\u6709\u5907\u7528\u5757\uff1b\u7b2c\u4e09\uff0c\u901a\u8fc7\u542f\u7528 TRIM \u548c\u987a\u5e8f\u5199\u5165\u6765\u4f18\u5316\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5e76\u907f\u514d\u788e\u7247\u6574\u7406\u6216\u4f4e\u7ea7\u683c\u5f0f\u5316\uff1b\u7b2c\u56db\uff0c\u4f9d\u636e TBW \u548c DWPD \u89c4\u5212\uff0c\u6301\u7eed\u8ddf\u8e2a S.M.A.R.T. \u6570\u636e\u3002\u5982\u4f55\u5e73\u8861\u5b83\u4eec\u7684\u5bff\u547d\uff1f\u5173\u952e\u5728\u4e8e\u628a\u8fd9\u4ef6\u4e8b\u89c6\u4e3a\u6301\u7eed\u6027\u5de5\u4f5c\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u4fee\u590d\u3002\u8bf7\u5b9a\u671f\u590d\u67e5\u78e8\u635f\u60c5\u51b5\uff0c\u91cd\u65b0\u5e73\u8861\u70ed\u70b9\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5e76\u5728\u8010\u4e45\u6027\u8017\u5c3d\u4e4b\u524d\u66f4\u6362\u786c\u76d8\u3002\u8fd9\u6837\u7684\u4e60\u60ef\u80fd\u591f\u4fdd\u62a4\u670d\u52a1\u5668\u4e2d SSD \u7684\u957f\u671f\u5bff\u547d\u3002\u4e3b\u52a8\u7ef4\u62a4\uff0c\u624d\u80fd\u907f\u514d\u8fc7\u65e9\u6545\u969c\uff0c\u5e76\u5ef6\u957f\u8bbe\u5907\u7fa4\u4e2d\u6bcf\u4e00\u5757\u786c\u76d8\u7684\u4f7f\u7528\u5468\u671f\u3002<\/p>\n \u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n\u78e8\u635f\u4e0d\u5747\u662f\u5426\u610f\u5473\u7740\u6211\u7684\u786c\u76d8\u4e00\u5b9a\u4f1a\u63d0\u524d\u5931\u6548\uff1f<\/h3>\n\u4e0d\u4e00\u5b9a\u3002\u63a7\u5236\u5668\u4f1a\u5c06\u7a0b\u5e8f\/\u64e6\u9664\u5faa\u73af\u5206\u6563\u5230\u6240\u6709 NAND \u82af\u7247\u4e0a\u3002\u53ea\u6709\u5f53\u5907\u7528\u5757\u8017\u5c3d\u65f6\uff0c\u78e8\u635f\u4e0d\u5747\u624d\u4f1a\u53d8\u5f97\u5371\u9669\u3002\u53ea\u8981\u4fdd\u6301\u8db3\u591f\u7a7a\u95f2\u7a7a\u95f4\uff0c\u786c\u76d8\u901a\u5e38\u53ef\u4ee5\u81ea\u884c\u7ba1\u7406\u8fd9\u79cd\u4e0d\u5e73\u8861\u3002<\/p>\n \u78e8\u635f\u4e0d\u5747\u5df2\u7ecf\u5f00\u59cb\u540e\uff0c\u8fd8\u80fd\u4fee\u590d\u5417\uff1f<\/h3>\n\u4f60\u53ef\u4ee5\u51cf\u7f13\u5b83\uff0c\u4f46\u65e0\u6cd5\u9006\u8f6c\u5df2\u7ecf\u6d88\u8017\u6389\u7684\u5faa\u73af\u5bff\u547d\u3002\u5e94\u5c06\u5199\u5165\u5bc6\u96c6\u578b\u4efb\u52a1\u91cd\u65b0\u5206\u914d\u5230\u5176\u4ed6\u786c\u76d8\uff0c\u589e\u52a0\u8fd9\u5757\u78e8\u635f\u8f83\u9ad8\u786c\u76d8\u4e0a\u7684\u7a7a\u95f2\u7a7a\u95f4\uff0c\u5e76\u5728 Percentage Used \u8d85\u8fc7\u4f60\u7684\u544a\u8b66\u9608\u503c\u540e\u53ca\u65f6\u66f4\u6362\u3002<\/p>\n \u6211\u5e94\u8be5\u591a\u4e45\u68c0\u67e5\u4e00\u6b21 S.M.A.R.T. \u6570\u636e\uff1f<\/h3>\n\u5efa\u8bae\u6bcf 15 \u5206\u949f\u8fd0\u884c\u4e00\u6b21\u91c7\u96c6\u5668\uff0c\u5e76\u6309\u7167\u56fa\u5b9a\u5468\u671f\u67e5\u770b\u8d8b\u52bf\u3002\u8fd8\u5e94\u914d\u7f6e\u544a\u8b66\uff0c\u4ee5\u4fbf\u5728\u8010\u4e45\u6027\u8017\u5c3d\u4e4b\u524d\u91c7\u53d6\u63aa\u65bd\u3002<\/p>\n RAID \u80fd\u9632\u6b62\u78e8\u635f\u4e0d\u5747\u5417\uff1f<\/h3>\n\u4e0d\u80fd\u3002RAID \u63d0\u4f9b\u7684\u662f\u5197\u4f59\uff0c\u800c\u4e0d\u662f\u8010\u4e45\u6027\u5e73\u8861\u3002\u6bcf\u4e2a\u6210\u5458\u76d8\u4ecd\u4f1a\u6309\u7167\u5404\u81ea\u7684\u901f\u7387\u78e8\u635f\u3002\u5e94\u8ba9\u6761\u5e26\u5927\u5c0f\u5339\u914d\u4f60\u7684 I\/O \u6a21\u5f0f\uff0c\u5e76\u5206\u6563\u70ed\u70b9\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u907f\u514d\u67d0\u4e2a\u6210\u5458\u76d8\u6bd4\u5176\u4ed6\u76d8\u78e8\u635f\u66f4\u5feb\u3002<\/p>\n QLC \u9002\u5408\u5199\u5165\u5bc6\u96c6\u578b\u670d\u52a1\u5668\u5417\uff1f<\/h3>\n\u901a\u5e38\u5e76\u4e0d\u9002\u5408\u3002QLC \u95ea\u5b58\u53ef\u627f\u53d7\u7684\u5199\u5165\u6b21\u6570\u5c11\u4e8e TLC\u3002QLC \u66f4\u9002\u5408\u5185\u5bb9\u5206\u53d1\u6216\u5f52\u6863\u7b49\u8bfb\u591a\u5199\u5c11\u7684\u89d2\u8272\u3002\u5e94\u8ba9 NAND \u7c7b\u578b\u4e0e\u5de5\u4f5c\u8d1f\u8f7d\u76f8\u5339\u914d\uff0c\u8fd9\u6837 TBW \u548c DWPD \u89c4\u5212\u624d\u4f1a\u66f4\u53ef\u9884\u6d4b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u5982\u4f55\u5e73\u8861\u5b83\u4eec\u7684\u5bff\u547d\uff1f\u5bf9\u4e8e\u5b58\u5728\u78e8\u635f\u4e0d\u5747\u7684\u4f01\u4e1a\u7ea7 NVMe SSD\uff0c\u53ef\u4ee5\u5148\u4ece\u56db\u9879\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u63aa\u65bd\u5165\u624b\u3002\u9996\u5148\uff0c\u4fe1\u4efb\u63a7\u5236\u5668\u7684\u5168\u5c40\u78e8\u635f\u5747\u8861\u80fd\u529b\uff0c\u8ba9\u5199\u5165\u5206\u5e03\u5230\u6bcf\u4e00\u9897 NAND \u82af\u7247\u3002\u5176\u6b21\uff0c\u5c06\u4e00\u90e8\u5206\u53ef\u7528\u5bb9\u91cf\u9884\u7559\u4e3a\u7a7a\u95f2\u7a7a\u95f4\uff1b\u9884\u7559\u7a7a\u95f4\u80fd\u591f\u4e3a\u63a7\u5236\u5668\u63d0\u4f9b\u989d\u5916\u7684\u5907\u7528\u5757\uff0c\u4ece\u800c\u63d0\u5347\u8010\u4e45\u6027\u3002\u518d\u6b21\uff0c\u4fdd\u6301 TRIM \u5904\u4e8e\u542f\u7528\u72b6\u6001\uff0c\u5e76\u5c3d\u91cf\u91c7\u7528\u987a\u5e8f\u5199\u5165\uff0c\u56e0\u4e3a\u4e24\u8005\u90fd\u80fd\u964d\u4f4e\u5199\u5165\u653e\u5927\u3002\u5207\u52ff\u5bf9\u8fd9\u4e9b\u786c\u76d8\u8fdb\u884c\u788e\u7247\u6574\u7406\u3002\u6700\u540e\uff0c\u76d1\u63a7 S.M.A.R.T. \u78e8\u635f\u6307\u6807\uff0c\u5e76\u4f9d\u636e\u89c4\u5212\u7684 TBW \u8ddf\u8e2a\u8010\u4e45\u5ea6\u3002\u4e3a\u78e8\u635f\u8bbe\u7f6e\u544a\u8b66\u9608\u503c\u3002\u4ee5\u4e0a\u505a\u6cd5\u80fd\u591f\u5ef6\u957f SSD \u5bff\u547d\u3001\u63a7\u5236\u78e8\u635f\u5e76\u4fdd\u6301\u670d\u52a1\u5668\u7a33\u5b9a\u53ef\u9760\u3002\u53ea\u8981\u6301\u7eed\u6267\u884c\uff0c\u4f60\u7684\u5b58\u50a8\u8bbe\u5907\u7fa4\u5c31\u80fd\u591a\u5e74\u7a33\u5b9a\u8fd0\u884c\u3002 \u5982\u4f55\u901a\u8fc7 SSD \u78e8\u635f\u5747\u8861\u6765\u5e73\u8861\u5b83\u4eec\u7684\u5bff\u547d\uff1f \u78e8\u635f\u5747\u8861\u4f1a\u5c06\u7a0b\u5e8f\/\u64e6\u9664\uff08P\/E\uff09\u5faa\u73af\u5c3d\u53ef\u80fd\u5747\u5300\u5730\u5206\u5e03\u5230\u6240\u6709 NAND \u5757\u4e0a\uff0c\u4ece\u800c\u9632\u6b62\u67d0\u4e9b\u5757\u8fc7\u65e9\u5931\u6548\u3002SSD \u4e2d\u7684\u6bcf\u4e00\u4e2a\u5757\u90fd\u53ea\u80fd\u627f\u53d7\u6709\u9650\u6b21\u6570\u7684 P\/E \u5faa\u73af\u3002\u5982\u679c\u5c11\u6570\u51e0\u4e2a\u5757\u5148\u8017\u5c3d\u5bff\u547d\uff0c\u6574\u5757\u786c\u76d8\u90fd\u53ef\u80fd\u56e0\u6b64\u5931\u6548\u3002\u78e8\u635f\u5747\u8861\u6b63\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5b83\u901a\u8fc7\u5206\u6563\u5de5\u4f5c\u8d1f\u8f7d\u6765\u5ef6\u7f13\u5c40\u90e8\u8fc7\u5ea6\u635f\u8017\u3002 \u52a8\u6001\u3001\u9759\u6001\u4e0e\u5168\u5c40\u78e8\u635f\u5747\u8861 \u52a8\u6001\u78e8\u635f\u5747\u8861\u53ea\u7ba1\u7406\u7a7a\u95f2\u5757\u3002\u63a7\u5236\u5668\u4f1a\u5c06\u65b0\u6570\u636e\u5199\u5165 P\/E \u6b21\u6570\u6700\u4f4e\u7684\u5757\u4e2d\u3002\u800c\u4fdd\u5b58\u5f88\u5c11\u88ab\u8bbf\u95ee\u6570\u636e\u7684\u51b7\u5757\uff0c\u5219\u4e0d\u4f1a\u53c2\u4e0e\u8fd9\u4e00\u8f6e\u8f6c\u3002\u56e0\u6b64\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5b9e\u9645\u53c2\u4e0e\u78e8\u635f\u5747\u8861\u7684\u5757\u6570\u91cf\u662f\u6709\u9650\u7684\u3002 \u9759\u6001\u78e8\u635f\u5747\u8861\u5219\u91c7\u53d6\u4e0d\u540c\u7b56\u7565\u3002\u5b83\u4e0d\u4ec5\u5305\u62ec\u7a7a\u95f2\u5757\uff0c\u4e5f\u5305\u62ec\u4fdd\u5b58\u7528\u6237\u6570\u636e\u7684\u5757\u3002\u63a7\u5236\u5668\u4f1a\u5b9a\u671f\u5c06\u51b7\u6570\u636e\u4ece\u4f4e\u78e8\u635f\u5757\u4e2d\u8fc1\u79fb\u51fa\u6765\uff0c\u4ece\u800c\u91ca\u653e\u8fd9\u4e9b\u4f4e\u78e8\u635f\u5757\u7528\u4e8e\u65b0\u7684\u5199\u5165\u3002\u9759\u6001\u78e8\u635f\u5747\u8861\u56e0\u6b64\u80fd\u591f\u8986\u76d6\u6574\u4e2a die\u3002\u5176\u4ee3\u4ef7\u5219\u662f\u4f1a\u4ea7\u751f\u989d\u5916\u7684\u540e\u53f0\u6570\u636e\u642c\u79fb\u3002 \u5bf9\u6bd4\u9879 \u52a8\u6001\u78e8\u635f\u5747\u8861 \u9759\u6001\u78e8\u635f\u5747\u8861 \u5305\u542b\u7684\u5757 \u4ec5\u7a7a\u95f2\u5757 \u7a7a\u95f2\u5757\u52a0\u4e0a\u4fdd\u5b58\u7528\u6237\u6570\u636e\u7684\u5757 \u5bf9\u51b7\u6570\u636e\u7684\u5904\u7406 \u51b7\u5757\u4e0d\u53c2\u4e0e\u78e8\u635f\u5747\u8861 \u51b7\u5757\u4e5f\u53c2\u4e0e\uff1b\u5f88\u5c11\u6539\u52a8\u7684\u6570\u636e\u4f1a\u88ab\u5b9a\u671f\u8fc1\u79fb \u8010\u4e45\u6027\u6536\u76ca \u8f83\u4f4e\uff1b\u78e8\u635f\u5747\u8861\u4ec5\u9650\u4e8e\u70ed\u70b9\u533a\u57df \u66f4\u9ad8\uff1b\u9759\u6001\u6570\u636e\u4f1a\u88ab\u91cd\u65b0\u5206\u914d\uff0c\u51b7\u5757\u4e5f\u4f1a\u53c2\u4e0e\u8f6e\u6362 \u5168\u5c40\u78e8\u635f\u5747\u8861\u4f1a\u5728 SSD \u5185\u90e8\u6240\u6709 NAND \u82af\u7247\u4e4b\u95f4\u7edf\u4e00\u7ba1\u7406\u78e8\u635f\u3002\u4f60\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u7ed9\u6c7d\u8f66\u8f6e\u80ce\u5b9a\u671f\u6362\u4f4d\u3002\u901a\u8fc7\u4e0d\u65ad\u4ea4\u6362\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u8ba9\u56db\u6761\u8f6e\u80ce\u7684\u80ce\u7eb9\u78e8\u635f\u66f4\u5747\u5300\u3002\u5168\u5c40\u78e8\u635f\u5747\u8861\u5bf9\u4f01\u4e1a\u7ea7 NVMe \u786c\u76d8\u4e2d\u7684\u6bcf\u4e00\u9897 NAND \u82af\u7247\u505a\u7684\uff0c\u6b63\u662f\u540c\u6837\u7684\u4e8b\u60c5\u3002\u5982\u679c\u6ca1\u6709\u8fd9\u4e00\u673a\u5236\uff0c\u78e8\u635f\u4e0d\u5747\u4f1a\u5bfc\u81f4\u5c11\u6570\u70ed\u70b9\u5757\u66f4\u5feb\u8017\u5c3d\u5bff\u547d\uff0c\u6700\u7ec8\u62d6\u7d2f\u6574\u5757\u8bbe\u5907\u5931\u6548\u3002 \u4e3a\u4ec0\u4e48\u5168\u5c40\u78e8\u635f\u5747\u8861\u5bf9\u670d\u52a1\u5668\u96c6\u7fa4\u81f3\u5173\u91cd\u8981 \u670d\u52a1\u5668\u901a\u5e38\u8fd0\u884c\u7684\u662f\u6df7\u5408\u578b\u5de5\u4f5c\u8d1f\u8f7d\u3002\u6570\u636e\u5e93\u4f1a\u5bf9\u67d0\u4e9b\u5757\u6301\u7eed\u9ad8\u9891\u5199\u5165\uff0c\u65e5\u5fd7\u6587\u4ef6\u53c8\u4f1a\u9891\u7e41\u8bbf\u95ee\u5176\u4ed6\u533a\u57df\u3002\u5168\u5c40\u78e8\u635f\u5747\u8861\u80fd\u591f\u786e\u4fdd\u201c\u78e8\u635f\u5747\u8861\u5982\u4f55\u63d0\u5347 SSD \u5bff\u547d\u201d\u8fd9\u4e00\u673a\u5236\u4f5c\u7528\u4e8e\u6574\u4e2a\u786c\u76d8\uff0c\u800c\u4e0d\u53ea\u662f\u5c40\u90e8\u70ed\u70b9\u533a\u57df\u3002\u63a7\u5236\u5668\u4f1a\u8ddf\u8e2a\u6bcf\u4e00\u4e2a\u5757\u7684 P\/E \u6b21\u6570\uff0c\u5e76\u901a\u8fc7\u8fc1\u79fb\u6570\u636e\u6765\u5e73\u8861\u78e8\u635f\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4f60\u7684\u8bbe\u5907\u7fa4\u5728\u5199\u5165\u8010\u4e45\u6027\u65b9\u9762\u5c31\u4f1a\u66f4\u53ef\u9884\u6d4b\u3002 […]<\/p>\n Read 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