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\u5f53\u4f60\u81ea\u5b9a\u4e49 RAID \u78c1\u76d8\u9635\u5217\u65f6\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u65e5\u672c\u670d\u52a1\u5668\u7684\u8bfb\u5199\u6027\u80fd\u3002\u9009\u62e9\u5408\u9002\u7684 RAID \u914d\u7f6e\uff0c\u6709\u52a9\u4e8e\u5339\u914d\u4f60\u7684\u5de5\u4f5c\u8d1f\u8f7d\u9700\u6c42\u3002\u4f60\u53ef\u4ee5\u5bf9\u6bd4\u4e0d\u540c RAID \u7ea7\u522b\uff0c\u4e86\u89e3\u5b83\u4eec\u5728\u901f\u5ea6\u3001\u5197\u4f59\u548c\u6570\u636e\u5b89\u5168\u65b9\u9762\u7684\u5dee\u5f02\u3002<\/p>\n

\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n

RAID \u7c7b\u578b<\/th>\n \u8bfb\u53d6\u901f\u5ea6<\/th>\n \u5197\u4f59\u5ea6<\/th>\n<\/tr>\n

RAID 0<\/td>\n \u6700\u5feb<\/td>\n \u65e0<\/td>\n<\/tr>\n

RAID 1<\/td>\n \u4e2d\u7b49<\/td>\n \u9ad8<\/td>\n<\/tr>\n

RAID 5<\/td>\n \u968f\u78c1\u76d8\u6570\u91cf\u63d0\u5347<\/td>\n \u4e2d\u7b49<\/td>\n<\/tr>\n

RAID 6<\/td>\n \u9ad8<\/td>\n \u5f88\u9ad8<\/td>\n<\/tr>\n

RAID 10<\/td>\n \u4f18\u79c0<\/td>\n \u9ad8<\/td>\n<\/tr>\n

RAID 50<\/td>\n \u4f18\u4e8e RAID 5<\/td>\n \u4e2d\u7b49<\/td>\n<\/tr>\n

RAID 60<\/td>\n

\u4f18\u4e8e RAID 6<\/td>\n

\u5f88\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

RAID 0 \u7684\u901f\u5ea6\u4f18\u52bf<\/h3>\n
\u5982\u679c\u4f60\u60f3\u8981\u5c3d\u53ef\u80fd\u5feb\u7684\u8bfb\u5199\u901f\u5ea6\uff0c\u53ef\u4ee5\u9009\u62e9 RAID 0\u3002\u8fd9\u79cd RAID \u914d\u7f6e\u5c06\u6570\u636e\u6761\u5e26\u5316\u5206\u5e03\u5230\u591a\u4e2a\u78c1\u76d8\u4e0a\uff0c\u6bcf\u5757\u78c1\u76d8\u540c\u65f6\u5de5\u4f5c\uff0c\u4ece\u800c\u91ca\u653e\u6bcf\u4e2a\u78c1\u76d8\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u4f7f\u7528 8 \u5757\u78c1\u76d8\uff0c\u6bcf\u5757\u78c1\u76d8\u63d0\u4f9b 125 IOPS\uff0c\u603b\u8bfb\u5199 IOPS \u5c31\u80fd\u8fbe\u5230 1,000\u3002\u8fd9\u79cd\u7ed3\u6784\u5e26\u6765\u6781\u9ad8\u7684 I\/O \u6027\u80fd\u548c\u6700\u5927\u541e\u5410\u91cf\u3002<\/p>\n
\n
RAID 0 \u51e0\u4e4e\u6ca1\u6709\u989d\u5916\u5f00\u9500\uff0c\u6bcf\u4e2a\u78c1\u76d8\u8f6c\u8f74\u90fd\u7528\u4e8e\u8bfb\u5199\u3002<\/li>\n
\u78c1\u76d8\u6570\u91cf\u8d8a\u591a\uff0cIOPS \u8d8a\u9ad8\uff0c\u8bfb\u5199\u6027\u80fd\u8d8a\u597d\u3002<\/li>\n
\u8bfb\u5199 IOPS \u5927\u81f4\u76f8\u7b49\uff0c\u975e\u5e38\u9002\u5408\u9ad8\u8d1f\u8f7d\u573a\u666f\u3002<\/li>\n<\/ul>\n
\u26a0\ufe0f \u6ce8\u610f\uff1a<\/strong>RAID 0 \u4e0d\u63d0\u4f9b\u4efb\u4f55\u6570\u636e\u4fdd\u62a4\u3002\u5982\u679c\u4efb\u610f\u4e00\u5757\u78c1\u76d8\u6545\u969c\uff0c\u6240\u6709\u6570\u636e\u90fd\u4f1a\u4e22\u5931\u3002\u5728\u65e5\u672c\u6570\u636e\u4e2d\u5fc3\u4e2d\uff0c\u8fd9\u79cd\u98ce\u9669\u975e\u5e38\u9ad8\uff0c\u56e0\u4e3a\u8be5 RAID \u7ea7\u522b\u65e0\u6cd5\u6062\u590d\u6570\u636e\u3002<\/p><\/blockquote>\n
RAID 5 \u7684\u5747\u8861\u6027\u80fd<\/h3>\n
RAID 5 \u5728\u8bfb\u53d6\u6027\u80fd\u548c\u6570\u636e\u4fdd\u62a4\u4e4b\u95f4\u63d0\u4f9b\u4e86\u826f\u597d\u5e73\u8861\u3002\u8fd9\u79cd RAID \u914d\u7f6e\u4f1a\u5c06\u6570\u636e\u548c\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u5206\u5e03\u5230\u81f3\u5c11\u4e09\u5757\u78c1\u76d8\u4e0a\u3002\u5f53\u4e00\u5757\u78c1\u76d8\u6545\u969c\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u91cd\u5efa\u6570\u636e\u3002\u8bb8\u591a\u65e5\u672c\u670d\u52a1\u5668\u4f1a\u5728\u6587\u4ef6\u670d\u52a1\u5668\u3001\u5f52\u6863\u548c\u5907\u4efd\u573a\u666f\u4e2d\u4f7f\u7528 RAID 5\uff0c\u56e0\u4e3a\u5b83\u80fd\u5f88\u597d\u5730\u5e94\u5bf9\u8bfb\u53d6\u4e3a\u4e3b\u7684\u8d1f\u8f7d\u3002<\/p>\n
\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
\u7279\u6027<\/th>\n RAID 5 \u8bf4\u660e<\/th>\n<\/tr>\n
\u6570\u636e\u4fdd\u62a4<\/td>\n \u6570\u636e\u548c\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u5206\u5e03\u5728\u591a\u5757\u78c1\u76d8\u4e0a\uff08\u81f3\u5c11 3 \u5757\uff09\u3002\u5f53\u4e00\u5757\u78c1\u76d8\u6545\u969c\u65f6\uff0c\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7\u5947\u5076\u6821\u9a8c\u91cd\u5efa\u6570\u636e\u3002<\/td>\n<\/tr>\n
\u8bfb\u53d6\u6027\u80fd<\/td>\n \u826f\u597d\u7684\u8bfb\u53d6\u6027\u80fd\uff0c\u9002\u5408\u6587\u4ef6\u670d\u52a1\u5668\u3001\u5f52\u6863\u6216\u5907\u4efd\u7b49\u8bfb\u53d6\u4e3a\u4e3b\u7684\u8d1f\u8f7d\u3002<\/td>\n<\/tr>\n
\u5b58\u50a8\u6548\u7387<\/td>\n \u66f4\u9ad8\u7684\u5b58\u50a8\u7a7a\u95f4\u5229\u7528\u7387\u3002<\/td>\n<\/tr>\n
\u5199\u5165\u901f\u5ea6<\/td>\n \u7531\u4e8e\u9700\u8981\u8fdb\u884c\u5947\u5076\u6821\u9a8c\u8ba1\u7b97\uff0c\u5199\u5165\u901f\u5ea6\u8f83\u6162\u3002<\/td>\n<\/tr>\n
\u91cd\u5efa\u98ce\u9669<\/td>\n \u91cd\u5efa\u98ce\u9669\u8f83\u9ad8\u2014\u2014\u5982\u679c\u5728\u91cd\u5efa\u8fc7\u7a0b\u4e2d\u518d\u6709\u4e00\u5757\u78c1\u76d8\u6545\u969c\uff0c\u6570\u636e\u5c06\u5168\u90e8\u4e22\u5931\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u4f60\u53ef\u4ee5\u901a\u8fc7 RAID 5 \u6765\u81ea\u5b9a\u4e49 RAID \u78c1\u76d8\u9635\u5217\uff0c\u968f\u7740\u78c1\u76d8\u6570\u91cf\u589e\u52a0\u83b7\u5f97\u66f4\u591a IOPS\u3002\u8fd9\u79cd\u7ed3\u6784\u80fd\u63d0\u5347\u8bfb\u5199\u6027\u80fd\uff0c\u4f46\u5199\u5165\u901f\u5ea6\u4f1a\u56e0\u4e3a\u5947\u5076\u6821\u9a8c\u8ba1\u7b97\u800c\u4e0b\u964d\u3002\u5728\u91cd\u5efa\u671f\u95f4\uff0c\u4f60\u5e94\u5bc6\u5207\u76d1\u63a7\u78c1\u76d8\u72b6\u6001\uff0c\u56e0\u4e3a\u5982\u679c\u6b64\u65f6\u518d\u635f\u574f\u4e00\u5757\u78c1\u76d8\uff0c\u6240\u6709\u6570\u636e\u90fd\u4f1a\u4e22\u5931\u3002<\/p>\n
RAID 10 \u7684\u901f\u5ea6\u4e0e\u5197\u4f59<\/h3>\n
RAID 10 \u5c06\u6761\u5e26\u5316\uff08striping\uff09\u7684\u901f\u5ea6\u4f18\u52bf\u4e0e\u955c\u50cf\uff08mirroring\uff09\u7684\u5197\u4f59\u80fd\u529b\u7ed3\u5408\u5728\u4e00\u8d77\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u79cd RAID \u914d\u7f6e\uff0c\u540c\u65f6\u83b7\u5f97\u51fa\u8272\u7684\u8bfb\u5199\u6027\u80fd\u548c\u8f83\u9ad8\u7684\u6570\u636e\u5b89\u5168\u6027\u3002RAID 10 \u4ee5\u78c1\u76d8\u5bf9\u4e3a\u5355\u4f4d\u5de5\u4f5c\uff0c\u56e0\u6b64\u81f3\u5c11\u9700\u8981 4 \u5757\u78c1\u76d8\u6765\u642d\u5efa\u9635\u5217\u3002<\/p>\n
\n
RAID 10 \u7684\u987a\u5e8f\u8bfb\u53d6\u541e\u5410\u91cf\u6700\u9ad8\u53ef\u8fbe 25 GiB\/s\u3002<\/li>\n
\u5199\u5165\u541e\u5410\u91cf\u6700\u9ad8\u53ef\u8fbe 10 GiB\/s\u3002<\/li>\n
\u603b\u4f53\u6027\u80fd\u53ef\u4e0e 10 \u5757 NVMe SSD \u7684\u541e\u5410\u91cf\u76f8\u5f53\u3002<\/li>\n<\/ul>\n
\u4f60\u53ef\u4ee5\u5728\u8bfb\u5199\u4efb\u52a1\u4e2d\u83b7\u5f97\u6781\u9ad8\u7684 IOPS\u3002RAID 10 \u901a\u8fc7\u78c1\u76d8\u955c\u50cf\u6765\u4fdd\u62a4\u6570\u636e\uff0c\u5982\u679c\u4e00\u5757\u78c1\u76d8\u6545\u969c\uff0c\u6570\u636e\u4e0d\u4f1a\u4e22\u5931\u3002\u5bf9\u4e8e\u65e2\u9700\u8981\u901f\u5ea6\u53c8\u9700\u8981\u5197\u4f59\u7684\u65e5\u672c\u4f01\u4e1a\u7ea7\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u4f60\u53ef\u4ee5\u5c06 RAID 10 \u7528\u4e8e\u81ea\u5b9a\u4e49 RAID \u78c1\u76d8\u9635\u5217\u3002\u8fd9\u79cd\u914d\u7f6e\u975e\u5e38\u9002\u5408\u6570\u636e\u5e93\u3001\u865a\u62df\u673a\u548c\u9ad8\u6d41\u91cf\u7f51\u7ad9\u670d\u52a1\u5668\u3002<\/p>\n
\ud83d\udca1 \u63d0\u793a\uff1a<\/strong>\u5728\u9009\u62e9 RAID \u7ea7\u522b\u65f6\uff0c\u52a1\u5fc5\u8003\u8651\u5de5\u4f5c\u8d1f\u8f7d\u7c7b\u578b\u3001\u78c1\u76d8\u6570\u91cf\u4ee5\u53ca\u5bf9\u6570\u636e\u4fdd\u62a4\u7684\u9700\u6c42\u3002RAID 0 \u8ffd\u6c42\u6781\u81f4\u901f\u5ea6\uff0cRAID 5 \u5728\u6027\u80fd\u4e0e\u5b89\u5168\u4e4b\u95f4\u6298\u4e2d\uff0c\u800c RAID 10 \u5219\u540c\u65f6\u517c\u987e\u901f\u5ea6\u4e0e\u5197\u4f59\u3002<\/p><\/blockquote>\n
\u901a\u8fc7\u7406\u89e3\u8fd9\u4e9b RAID \u914d\u7f6e\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u8bfb\u5199\u9700\u6c42\u81ea\u5b9a\u4e49 RAID \u78c1\u76d8\u9635\u5217\uff0c\u4ece\u800c\u63d0\u5347\u5b58\u50a8\u6027\u80fd\u3001\u4fdd\u62a4\u6570\u636e\uff0c\u5e76\u5728\u65e5\u672c\u670d\u52a1\u5668\u4e0a\u83b7\u5f97\u66f4\u4f73\u7684 I\/O \u8868\u73b0\u3002<\/p>\n
\u5f71\u54cd RAID \u6027\u80fd\u7684\u786c\u4ef6\u9009\u62e9<\/strong><\/h2>\n
SSD \u4e0e HDD \u7684\u8bfb\u53d6\u901f\u5ea6\u5bf9\u6bd4<\/h3>\n
\u4e3a\u65e5\u672c\u670d\u52a1\u5668\u6784\u5efa RAID \u9635\u5217\u65f6\uff0c\u4f60\u9700\u8981\u5728 SSD \u548c HDD \u4e4b\u95f4\u505a\u51fa\u9009\u62e9\u3002SSD \u63d0\u4f9b\u8fdc\u9ad8\u4e8e HDD \u7684\u8bfb\u5199\u901f\u5ea6\u3002\u56fa\u6001\u786c\u76d8\u4f7f\u7528\u95ea\u5b58\uff0c\u4e0d\u5b58\u5728\u673a\u68b0\u5ef6\u8fdf\uff1b\u800c HDD \u4f9d\u8d56\u65cb\u8f6c\u78c1\u76d8\uff0c\u8bfb\u5199\u64cd\u4f5c\u5bb9\u6613\u53d7\u5230\u673a\u68b0\u90e8\u4ef6\u7684\u9650\u5236\u3002\u7531\u4e8e\u6ca1\u6709\u673a\u68b0\u7ed3\u6784\uff0cSSD \u7684\u53ef\u9760\u6027\u901a\u5e38\u4e5f\u66f4\u9ad8\uff1bHDD \u5219\u66f4\u5bb9\u6613\u56e0\u673a\u68b0\u6545\u969c\u800c\u5931\u6548\u3002<\/p>\n
\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n
\u7279\u6027<\/th>\n SSD<\/th>\n HDD<\/th>\n<\/tr>\n
\u8bfb\u53d6\u901f\u5ea6<\/td>\n \u8bfb\u5199\u6027\u80fd\u6781\u4f73<\/td>\n \u6574\u4f53\u6027\u80fd\u8f83\u6162<\/td>\n<\/tr>\n
\u53ef\u9760\u6027<\/td>\n \u4e0d\u6613\u53d1\u751f\u673a\u68b0\u6545\u969c<\/td>\n \u66f4\u5bb9\u6613\u53d1\u751f\u673a\u68b0\u6545\u969c<\/td>\n<\/tr>\n
\u6210\u672c<\/td>\n \u5355\u4f4d GB \u6210\u672c\u66f4\u9ad8<\/td>\n \u5355\u4f4d GB \u6210\u672c\u66f4\u4f4e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n
\u5728 RAID \u9635\u5217\u4e2d\uff0cSSD \u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u8bfb\u5199\u6027\u80fd\u3002<\/li>\n
HDD \u56e0\u4e3a\u673a\u68b0\u7ed3\u6784\u7684\u9650\u5236\uff0c\u66f4\u5bb9\u6613\u5f62\u6210\u6027\u80fd\u74f6\u9888\u3002<\/li>\n
\u4e24\u79cd\u78c1\u76d8\u90fd\u53ef\u80fd\u6545\u969c\uff0c\u4f46 SSD \u7684\u5bff\u547d\u901a\u5e38\u66f4\u957f\u3002<\/li>\n<\/ul>\n
\u4f60\u8fd8\u9700\u8981\u8003\u8651\u6210\u672c\u548c\u80fd\u8017\u3002SSD \u529f\u8017\u548c\u5360\u7528\u7a7a\u95f4\u66f4\u5c11\u3002\u4f8b\u5982\uff0cSSD \u541e\u5410\u91cf\u53ef\u8fbe 7000 MB\/s\uff0c\u800c\u6df7\u5408 HDD \u7cfb\u7edf\u901a\u5e38\u53ea\u6709\u7ea6 500 MB\/s\u3002\u4f7f\u7528 SSD \u53ef\u4ee5\u51cf\u5c11\u6240\u9700\u78c1\u76d8\u6570\u91cf\uff0c\u4ece\u800c\u8282\u7701\u673a\u67b6\u7a7a\u95f4\u5e76\u964d\u4f4e\u80fd\u6e90\u6210\u672c\u3002<\/p>\n
\u65e5\u672c\u6570\u636e\u4e2d\u5fc3\u517c\u5bb9\u6027<\/h3>\n
\u4f60\u5fc5\u987b\u786e\u8ba4\u786c\u4ef6\u662f\u5426\u7b26\u5408\u65e5\u672c\u6570\u636e\u4e2d\u5fc3\u7684\u8981\u6c42\u3002\u65e5\u672c\u6570\u636e\u91cf\u7684\u7206\u70b8\u5f0f\u589e\u957f\uff0c\u63a8\u52a8\u4e86\u5bf9\u9ad8\u6027\u80fd RAID \u63a7\u5236\u5668\u548c\u9ad8\u6027\u80fd\u78c1\u76d8\u7684\u9700\u6c42\u3002\u8bb8\u591a\u6570\u636e\u4e2d\u5fc3\u5bf9\u541e\u5410\u91cf\u548c\u5197\u4f59\u6027\u90fd\u6709\u8f83\u9ad8\u8981\u6c42\u3002\u4f60\u5e94\u9009\u62e9\u652f\u6301\u9ad8\u5bc6\u5ea6\u670d\u52a1\u5668\u914d\u7f6e\u7684\u78c1\u76d8\u548c RAID \u63a7\u5236\u5668\uff0c\u4ee5\u4fbf\u5728\u5355\u673a\u7bb1\u5185\u7ba1\u7406\u66f4\u591a\u78c1\u76d8\u3002\u540c\u65f6\uff0c\u8fd8\u8981\u786e\u4fdd RAID \u7ea7\u522b\u80fd\u591f\u6ee1\u8db3\u672c\u5730\u5bf9\u6570\u636e\u4fdd\u62a4\u548c\u4e1a\u52a1\u8fde\u7eed\u6027\u7684\u8981\u6c42\u3002<\/p>\n
\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
\u5173\u952e\u56e0\u7d20<\/th>\n \u8bf4\u660e<\/th>\n<\/tr>\n
\u6570\u636e\u7206\u70b8\u5f0f\u589e\u957f<\/td>\n \u6570\u636e\u751f\u6210\u91cf\u7684\u5feb\u901f\u589e\u957f\u9700\u8981\u66f4\u52a0\u7a33\u5065\u7684\u5b58\u50a8\u65b9\u6848\uff0c\u4f7f RAID \u63a7\u5236\u5668\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002<\/td>\n<\/tr>\n
\u9ad8\u6027\u80fd\u9700\u6c42<\/td>\n AI \u548c\u5927\u6570\u636e\u7b49\u5e94\u7528\u9700\u8981\u66f4\u5feb\u7684\u6570\u636e\u8bbf\u95ee\uff0c\u4ece\u800c\u63a8\u52a8\u5bf9\u9ad8\u6027\u80fd RAID \u63a7\u5236\u5668\uff08\u5c24\u5176\u642d\u914d NVMe SSD\uff09\u7684\u9700\u6c42\u3002<\/td>\n<\/tr>\n
\u589e\u5f3a\u7684\u6570\u636e\u5197\u4f59\u4e0e\u4fdd\u62a4<\/td>\n \u9632\u6b62\u6570\u636e\u4e22\u5931\u3001\u786e\u4fdd\u4e1a\u52a1\u8fde\u7eed\u6027\u7684\u9700\u6c42\u4e0d\u65ad\u63d0\u5347\uff0c\u589e\u52a0\u4e86\u5bf9 RAID \u6570\u636e\u4fdd\u62a4\u80fd\u529b\u7684\u4f9d\u8d56\u3002<\/td>\n<\/tr>\n
\u670d\u52a1\u5668\u6574\u5408\u4e0e\u9ad8\u5bc6\u5ea6<\/td>\n \u5411\u9ad8\u5bc6\u5ea6\u670d\u52a1\u5668\u914d\u7f6e\u53d1\u5c55\u7684\u8d8b\u52bf\uff0c\u9700\u8981 RAID \u63a7\u5236\u5668\u80fd\u591f\u5728\u5355\u673a\u7bb1\u5185\u7ba1\u7406\u66f4\u591a\u786c\u76d8\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\ud83d\udca1 \u63d0\u793a\uff1a<\/strong>\u5728\u5b89\u88c5\u78c1\u76d8\u6216 RAID \u63a7\u5236\u5668\u4e4b\u524d\uff0c\u4e00\u5b9a\u8981\u68c0\u67e5\u5176\u662f\u5426\u7b26\u5408\u5f53\u5730\u6cd5\u89c4\u548c\u7535\u529b\u6807\u51c6\u3002<\/p><\/blockquote>\n
\u9ad8\u7ea7 RAID \u63a7\u5236\u5668<\/h3>\n
\u4f7f\u7528\u9ad8\u7ea7 RAID \u63a7\u5236\u5668\uff0c\u53ef\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u8bfb\u5199\u6027\u80fd\u3002\u73b0\u4ee3\u63a7\u5236\u5668\u666e\u904d\u91c7\u7528 PCIe Gen5 \u7b49\u9ad8\u901f\u63a5\u53e3\uff0c\u663e\u8457\u63d0\u5347\u6570\u636e\u4f20\u8f93\u901f\u7387\u5e76\u6539\u5584\u8bfb\u53d6\u6548\u7387\u3002\u8fd9\u5bf9\u4e8e\u65e5\u672c\u7684\u6570\u636e\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\uff08\u5982\u5b9e\u65f6\u5206\u6790\u548c\u5927\u578b\u6570\u636e\u5e93\uff09\u5c24\u4e3a\u91cd\u8981\u3002\u914d\u5408 NVMe \u6280\u672f\u7684 RAID \u63a7\u5236\u5668\u53ef\u4ee5\u63d0\u4f9b\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u541e\u5410\u91cf\uff0c\u540c\u65f6\u4fdd\u62a4\u6570\u636e\u5e76\u4fdd\u6301\u670d\u52a1\u5668\u7a33\u5b9a\u8fd0\u884c\u3002\u4f60\u5e94\u5b9a\u671f\u66f4\u65b0\u63a7\u5236\u5668\u56fa\u4ef6\uff0c\u4ee5\u7ef4\u6301\u5cf0\u503c\u6027\u80fd\u3002<\/p>\n
\ud83d\ude80 \u9ad8\u7ea7 RAID \u63a7\u5236\u5668\u6709\u52a9\u4e8e\u7ba1\u7406\u66f4\u591a\u78c1\u76d8\uff0c\u5e76\u4e3a\u9ad8\u8981\u6c42\u7684\u5e94\u7528\u63d0\u4f9b\u66f4\u5feb\u7684\u8bfb\u5199\u901f\u5ea6\u3002<\/p>\n
RAID \u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n
\u6761\u5e26\u5927\u5c0f\u4e0e\u7f13\u5b58\u8bbe\u7f6e<\/h3>\n
\u901a\u8fc7\u8c03\u6574\u6761\u5e26\uff08stripe\uff09\u5927\u5c0f\u548c\u7f13\u5b58\u8bbe\u7f6e\uff0c\u4f60\u53ef\u4ee5\u663e\u8457\u63d0\u5347 RAID \u6027\u80fd\u3002\u6761\u5e26\u5927\u5c0f\u51b3\u5b9a\u4e86\u6570\u636e\u5728 RAID \u914d\u7f6e\u4e2d\u5982\u4f55\u5206\u5e03\u5230\u5404\u5757\u78c1\u76d8\u3002\u5f53\u6761\u5e26\u5927\u5c0f\u4e0e\u4f60\u7684\u5178\u578b\u6570\u636e\u5de5\u4f5c\u8d1f\u8f7d\u5339\u914d\u65f6\uff0c\u8bfb\u5199\u6027\u80fd\u4f1a\u66f4\u597d\u3002\u4f8b\u5982\uff0c\u5f53\u6587\u4ef6\u8f83\u5927\u65f6\uff0c\u4f7f\u7528\u66f4\u5927\u7684\u6761\u5e26\u53ef\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684 IOPS \u548c\u66f4\u5feb\u7684\u901f\u5ea6\uff1b\u5f53\u6587\u4ef6\u8f83\u5c0f\u65f6\uff0c\u8f83\u5c0f\u7684\u6761\u5e26\u5927\u5c0f\u5219\u6709\u52a9\u4e8e\u63d0\u5347 IOPS \u548c\u6574\u4f53\u5b58\u50a8\u6027\u80fd\u3002<\/p>\n
\n
\u5bf9\u4e0d\u540c\u6761\u5e26\u5927\u5c0f\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\uff0c\u4ee5\u627e\u5230\u6700\u9002\u5408\u4f60 RAID \u9635\u5217\u7684\u914d\u7f6e\u3002<\/li>\n
\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u4f7f\u7528 `-o noatime<\/code> \u9009\u9879\uff0c\u4ee5\u51cf\u5c11\u78c1\u76d8\u5bfb\u9053\u5e76\u63d0\u5347 I\/O \u6027\u80fd\u3002<\/li>\n`
`\u5c1d\u8bd5\u4f7f\u7528 -o async<\/code> \u9009\u9879\uff0c\u4ee5\u63d0\u5347\u5199\u5165\u901f\u5ea6\u548c\u8bfb\u53d6\u6027\u80fd\u3002<\/li>\n`
\u6839\u636e\u6570\u636e\u91cd\u8981\u6027\u9009\u62e9 RAID \u914d\u7f6e\uff1a\u4e0d\u592a\u91cd\u8981\u7684\u6570\u636e\u53ef\u4ee5\u4f7f\u7528 RAID 0\uff0c\u800c\u5173\u952e\u5de5\u4f5c\u8d1f\u8f7d\u5219\u5e94\u9009\u62e9 RAID 5 \u6216 RAID 10\u3002<\/li>\n<\/ul>\n\u7f13\u5b58\u8bbe\u7f6e\u540c\u6837\u5bf9 RAID \u6027\u80fd\u6709\u91cd\u8981\u5f71\u54cd\u3002\u542f\u7528\u5199\u56de\u7f13\u5b58\uff08write-back cache\uff09\u53ef\u4ee5\u52a0\u5feb\u5199\u5165\u901f\u5ea6\uff1b\u8bfb\u524d\u7f13\u5b58\uff08read-ahead cache\uff09\u5219\u80fd\u63d0\u5347\u8bfb\u53d6\u901f\u5ea6\u548c IOPS\u3002\u4f60\u5e94\u76d1\u63a7\u7f13\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u907f\u514d\u74f6\u9888\u5e76\u8ba9\u78c1\u76d8\u4fdd\u6301\u987a\u7545\u8fd0\u884c\u3002<\/p>\n \ud83d\udca1 \u63d0\u793a\uff1a\u52a1\u5fc5\u4f7f\u7528\u771f\u5b9e\u5de5\u4f5c\u8d1f\u8f7d\u6d4b\u8bd5 RAID \u914d\u7f6e\u3002\u6839\u636e\u6d4b\u8bd5\u7ed3\u679c\u8c03\u6574\u6761\u5e26\u5927\u5c0f\u548c\u7f13\u5b58\u8bbe\u7f6e\uff0c\u76f4\u5230\u4f60\u7684\u65e5\u672c\u670d\u52a1\u5668\u5728\u8bfb\u5199\u6027\u80fd\u4e0a\u8fbe\u5230\u6700\u4f73\u72b6\u6001\u3002<\/p><\/blockquote>\n \u56fa\u4ef6\u4e0e\u63a7\u5236\u5668\u66f4\u65b0<\/h3>\n\u8981\u4fdd\u6301 RAID \u9ad8\u6027\u80fd\u8fd0\u884c\uff0c\u4f60\u9700\u8981\u5b9a\u671f\u66f4\u65b0 RAID \u63a7\u5236\u5668\u56fa\u4ef6\u3002\u56fa\u4ef6\u66f4\u65b0\u901a\u5e38\u4f1a\u4fee\u590d Bug\uff0c\u5e76\u4f18\u5316\u8bfb\u5199\u6027\u80fd\u3002\u5f53\u4f60\u4e3a RAID \u9635\u5217\u4e2d\u7684\u6240\u6709\u78c1\u76d8\u66f4\u65b0\u56fa\u4ef6\u540e\uff0c\u7cfb\u7edf\u7a33\u5b9a\u6027\u548c IOPS \u5f80\u5f80\u90fd\u4f1a\u63d0\u5347\u3002\u5f88\u591a\u7528\u6237\u5728\u5347\u7ea7\u63a7\u5236\u5668\u56fa\u4ef6\u540e\uff0c\u90fd\u80fd\u89c2\u5bdf\u5230\u8bfb\u53d6\u6027\u80fd\u7684\u6539\u5584\u3002<\/p>\n \nRAID \u5c06 I\/O \u5206\u5e03\u5230\u591a\u5757\u78c1\u76d8\u4e0a\uff0c\u5b9e\u73b0\u5e76\u884c\u5904\u7406\uff0c\u4ece\u800c\u63d0\u5347\u901f\u5ea6\u3002<\/li>\n \u66f4\u65b0\u56fa\u4ef6\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\uff0c\u5e76\u8ba9 RAID \u914d\u7f6e\u66f4\u52a0\u7a33\u5b9a\u3002<\/li>\n \u5b9a\u671f\u66f4\u65b0\u63a7\u5236\u5668\uff0c\u6709\u52a9\u4e8e\u627f\u8f7d\u9ad8\u4e8b\u52a1\u6d41\u91cf\uff0c\u5e76\u7ef4\u6301\u8f83\u9ad8\u7684\u8bfb\u5199\u6027\u80fd\u3002<\/li>\n<\/ul>\n\u4f60\u5e94\u5c06\u56fa\u4ef6\u548c\u63a7\u5236\u5668\u66f4\u65b0\u5b89\u6392\u5728\u4e1a\u52a1\u4f4e\u5cf0\u65f6\u6bb5\uff0c\u4ee5\u964d\u4f4e\u505c\u673a\u98ce\u9669\u5e76\u4fdd\u62a4\u6570\u636e\u5b89\u5168\u3002\u66f4\u65b0\u524d\u4e00\u5b9a\u8981\u68c0\u67e5\u517c\u5bb9\u6027\uff0c\u907f\u514d\u5bf9\u73b0\u6709 RAID \u914d\u7f6e\u9020\u6210\u5f71\u54cd\u3002<\/p>\n \ud83d\ude80 \u6301\u7eed\u4fdd\u6301 RAID \u63a7\u5236\u5668\u548c\u56fa\u4ef6\u4e3a\u6700\u65b0\u7248\u672c\uff0c\u80fd\u786e\u4fdd\u78c1\u76d8\u83b7\u5f97\u6700\u4f73\u8bfb\u5199\u6027\u80fd\u548c\u6700\u5927 IOPS\u3002<\/p>\n \u9488\u5bf9\u65e5\u672c\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u8d1f\u8f7d\u5b9a\u5236<\/strong><\/h2>\n\u65e5\u672c\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/h3>\n\u5728\u65e5\u672c\uff0c\u4f60\u4f1a\u7ecf\u5e38\u770b\u5230\u670d\u52a1\u5668\u8fd0\u884c\u5bf9\u53ef\u9760\u6027\u548c\u5feb\u901f\u4fe1\u606f\u8bbf\u95ee\u8981\u6c42\u5f88\u9ad8\u7684\u5e94\u7528\u3002\u8bb8\u591a\u4f01\u4e1a\u4f7f\u7528\u6570\u636e\u5e93\u3001\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u548c\u7535\u5546\u5e73\u53f0\u3002\u8fd9\u4e9b\u5de5\u4f5c\u8d1f\u8f7d\u8981\u6c42\u4f60\u5728 RAID \u9635\u5217\u4e2d\u540c\u65f6\u4f18\u5316\u901f\u5ea6\u4e0e\u5197\u4f59\u3002\u4f60\u5e94\u9009\u62e9\u4e0e\u5e94\u7528\u9700\u6c42\u76f8\u5339\u914d\u7684\u78c1\u76d8\u3002\u4f8b\u5982\uff0c\u6570\u636e\u5e93\u901a\u5e38\u9002\u5408\u4f7f\u7528 RAID 10\uff0c\u56e0\u4e3a\u5b83\u517c\u5177\u5feb\u901f\u8bfb\u5199\u6027\u80fd\u548c\u5f3a\u6570\u636e\u4fdd\u62a4\uff1b\u800c\u7f51\u7ad9\u670d\u52a1\u5668\u548c\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf\u5219\u5e38\u7528 RAID 5 \u6216 RAID 6\uff0c\u4ee5\u5e73\u8861\u6027\u80fd\u4e0e\u5197\u4f59\u3002\u901a\u8fc7\u5c06 RAID \u7ea7\u522b\u4e0e\u5e94\u7528\u9700\u6c42\u5339\u914d\uff0c\u4f60\u53ef\u4ee5\u53d6\u5f97\u66f4\u597d\u7684\u6574\u4f53\u6548\u679c\u3002<\/p>\n \n\u6570\u636e\u5e93\uff1a\u5efa\u8bae\u4f7f\u7528 RAID 10\uff0c\u4ee5\u83b7\u5f97\u9ad8\u8bfb\u5199\u6027\u80fd\u3002<\/li>\n \u6587\u4ef6\u670d\u52a1\u5668\uff1a\u9009\u62e9 RAID 5 \u6216 RAID 6\uff0c\u4ee5\u5728\u6027\u80fd\u548c\u6570\u636e\u5b89\u5168\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/li>\n \u7535\u5546\u5e73\u53f0\uff1a\u9009\u7528\u9ad8\u901f\u78c1\u76d8\uff0c\u5e76\u642d\u914d\u80fd\u4fdd\u62a4\u5ba2\u6237\u6570\u636e\u7684 RAID \u7ea7\u522b\u3002<\/li>\n<\/ul>\n\ud83d\udee0\ufe0f \u63d0\u793a\uff1a\u52a1\u5fc5\u4f7f\u7528\u771f\u5b9e\u5de5\u4f5c\u8d1f\u8f7d\u6d4b\u8bd5\u4f60\u7684 RAID \u914d\u7f6e\uff0c\u4ee5\u786e\u4fdd\u78c1\u76d8\u6027\u80fd\u53d1\u6325\u5230\u6700\u4f73\u3002<\/p><\/blockquote>\n \u5408\u89c4\u4e0e\u672c\u5730\u5316<\/h3>\n\u5728\u65e5\u672c\u5b58\u50a8\u6570\u636e\u65f6\uff0c\u4f60\u5fc5\u987b\u9075\u5b88\u4e25\u683c\u7684\u5408\u89c4\u8981\u6c42\u3002\u300a\u4e2a\u4eba\u4fe1\u606f\u4fdd\u62a4\u6cd5\u300b\uff08APPI\uff09\u8981\u6c42\u4f60\u8c28\u614e\u5904\u7406\u6570\u636e\uff0c\u5e76\u9009\u62e9\u7b26\u5408\u6cd5\u5f8b\u6807\u51c6\u7684\u5b58\u50a8\u65b9\u6848\u30022022 \u5e74\u5bf9 APPI \u7684\u4fee\u8ba2\u4f7f\u5176\u4e0e GDPR \u63a5\u8f68\uff0c\u56e0\u6b64\u5916\u56fd\u4f01\u4e1a\u9700\u8981\u6307\u5b9a\u4ee3\u8868\u5e76\u8fdb\u884c\u6570\u636e\u672c\u5730\u5316\u3002\u8fd9\u4e9b\u89c4\u5b9a\u4f1a\u5f71\u54cd RAID \u914d\u7f6e\u9009\u62e9\uff0c\u4f60\u9700\u8981\u9009\u62e9\u65e2\u80fd\u5b89\u5168\u5b58\u50a8\u6570\u636e\uff0c\u53c8\u4fbf\u4e8e\u5b9e\u73b0\u672c\u5730\u5316\u7684\u78c1\u76d8\u548c RAID \u7ea7\u522b\u3002<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n\u5408\u89c4\u8981\u6c42<\/th>\n \u5bf9 RAID \u914d\u7f6e\u9009\u62e9\u7684\u5f71\u54cd<\/th>\n<\/tr>\n \u300a\u4e2a\u4eba\u4fe1\u606f\u4fdd\u62a4\u6cd5\u300b\uff08APPI\uff09<\/td>\n \u9700\u8981\u66f4\u52a0\u8c28\u614e\u5730\u8003\u8651\u6570\u636e\u5904\u7406\u4e0e\u5b58\u50a8\u65b9\u6848\uff0c\u4ee5\u517c\u987e\u5408\u6cd5\u5408\u89c4\u548c\u6027\u80fd\u8868\u73b0\u3002<\/td>\n<\/tr>\n 2022 \u5e74 APPI \u4fee\u8ba2<\/td>\n \u4e0e GDPR \u63a5\u8f68\uff0c\u8981\u6c42\u5916\u56fd\u4f01\u4e1a\u6307\u5b9a\u4ee3\u8868\uff0c\u8fdb\u800c\u5f71\u54cd\u4e3a\u6570\u636e\u672c\u5730\u5316\u9009\u62e9\u5408\u9002\u7684 RAID \u65b9\u6848\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\u4f60\u5e94\u4f18\u5148\u9009\u62e9\u5177\u5907\u9ad8\u5197\u4f59\u548c\u5b89\u5168\u5b58\u50a8\u80fd\u529b\u7684 RAID \u7ea7\u522b\u3002\u901a\u8fc7\u4f7f\u7528\u955c\u50cf\u78c1\u76d8\u7b49\u65b9\u5f0f\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u5408\u89c4\u9700\u6c42\u5e76\u4fdd\u62a4\u654f\u611f\u4fe1\u606f\u3002<\/p>\n \u9488\u5bf9\u672c\u5730\u6d41\u91cf\u8fdb\u884c\u8c03\u4f18<\/h3>\n\u4f60\u53ef\u4ee5\u6839\u636e\u65e5\u672c\u672c\u5730\u7684\u7f51\u7edc\u6d41\u91cf\u7279\u5f81\uff0c\u5bf9 RAID \u9635\u5217\u8fdb\u884c\u8c03\u4f18\uff0c\u4ee5\u63d0\u5347\u6574\u4f53\u6027\u80fd\u3002\u7f51\u7edc\u5e26\u5bbd\u4f1a\u5f71\u54cd\u6700\u9002\u5408\u4f60\u670d\u52a1\u5668\u7684 RAID \u914d\u7f6e\u3002\u4f60\u5e94\u8c03\u6574\u8bf8\u5982 TXG \u8d85\u65f6\u65f6\u95f4\u7b49\u53c2\u6570\uff0c\u4ee5\u5339\u914d\u672c\u5730\u6d41\u91cf\u9700\u6c42\u3002\u4e0b\u8868\u7ed9\u51fa\u4e86\u4e0d\u540c\u7f51\u7edc\u901f\u5ea6\u4e0b\u63a8\u8350\u7684 RAID \u914d\u7f6e\u3002<\/p>\n \n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\u7f51\u7edc\u901f\u5ea6<\/th>\n \u63a8\u8350 RAID \u914d\u7f6e<\/th>\n TXG \u8d85\u65f6\u65f6\u95f4<\/th>\n<\/tr>\n 1 Gbps<\/td>\n RAID-Z2 \u6216 RAID-Z3<\/td>\n 30 \u79d2<\/td>\n<\/tr>\n 10 Gbps<\/td>\n \u955c\u50cf\u6216 RAID-Z1<\/td>\n 5 \u79d2<\/td>\n<\/tr>\n 40+ Gbps<\/td>\n \u4ec5\u955c\u50cf<\/td>\n 1 \u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\u4f60\u9700\u8981\u6839\u636e\u670d\u52a1\u5668\u7684\u7f51\u7edc\u901f\u5ea6\u9009\u62e9\u5339\u914d\u7684\u78c1\u76d8\u548c RAID \u7ea7\u522b\u3002\u8f83\u77ed\u7684 TXG \u8d85\u65f6\u65f6\u95f4\u6709\u52a9\u4e8e\u5e94\u5bf9\u9ad8\u6d41\u91cf\uff0c\u5e76\u63d0\u5347\u8bfb\u5199\u6027\u80fd\u3002\u901a\u8fc7\u6301\u7eed\u76d1\u63a7\u6d41\u91cf\u5e76\u8c03\u6574\u76f8\u5173\u53c2\u6570\uff0c\u4f60\u53ef\u4ee5\u5c06 RAID \u914d\u7f6e\u4f18\u5316\u5230\u66f4\u4f73\u72b6\u6001\u3002<\/p>\n \ud83d\udca1 \u6ce8\u610f\uff1a\u5b9a\u671f\u5ba1\u67e5 RAID \u914d\u7f6e\u4e0e\u78c1\u76d8\u6027\u80fd\uff0c\u65e2\u80fd\u4fdd\u8bc1\u670d\u52a1\u5668\u7a33\u5b9a\u8fd0\u884c\uff0c\u4e5f\u6709\u52a9\u4e8e\u6ee1\u8db3\u672c\u5730\u4e1a\u52a1\u9700\u6c42\u3002<\/p><\/blockquote>\n RAID \u6027\u80fd\u76d1\u63a7<\/strong><\/h2>\n\u76d1\u63a7\u5de5\u5177<\/h3>\n\u8981\u8ba9\u670d\u52a1\u5668\u59cb\u7ec8\u4fdd\u6301\u5e73\u7a33\u8fd0\u884c\uff0c\u4f60\u9700\u8981\u5408\u9002\u7684\u5de5\u5177\u6765\u8ffd\u8e2a RAID \u6027\u80fd\u3002\u8bb8\u591a\u7ba1\u7406\u5458\u4f7f\u7528 MegaRAID Storage Manager\u3001HP Array Configuration Utility\uff0c\u6216 mdadm\u3001smartmontools \u7b49\u5f00\u6e90\u5de5\u5177\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7 IOPS\u3001\u5ef6\u8fdf\u548c\u541e\u5410\u91cf\u3002\u4f60\u53ef\u4ee5\u4e3a IOPS \u7a81\u7136\u4e0b\u964d\u6216\u5ef6\u8fdf\u98d9\u5347\u8bbe\u7f6e\u544a\u8b66\uff0c\u4ee5\u4fbf\u5728\u5f71\u54cd\u6570\u636e\u6216\u670d\u52a1\u5668\u524d\u53ca\u65f6\u53d1\u73b0\u95ee\u9898\u3002\u6709\u4e9b\u5de5\u5177\u8fd8\u80fd\u663e\u793a\u78c1\u76d8\u5065\u5eb7\u72b6\u6001\u548c RAID \u9635\u5217\u72b6\u6001\u3002\u4f60\u5e94\u6bcf\u5929\u67e5\u770b\u8fd9\u4e9b\u76d1\u63a7\u9762\u677f\uff0c\u786e\u4fdd RAID \u914d\u7f6e\u59cb\u7ec8\u4fdd\u6301\u6700\u4f73\u6027\u80fd\u3002<\/p>\n \u7ef4\u62a4\u5b9e\u8df5<\/h3>\n\u5b9a\u671f\u7ef4\u62a4\u53ef\u4ee5\u4fdd\u8bc1 RAID \u7cfb\u7edf\u7684\u53ef\u9760\u6027\uff0c\u5e76\u4fdd\u62a4\u6570\u636e\u5b8c\u6574\u6027\u3002\u4f60\u5e94\u5b9a\u671f\u68c0\u67e5\u78c1\u76d8\u5065\u5eb7\u548c\u63a7\u5236\u5668\u72b6\u6001\u3002\u6e05\u7406\u670d\u52a1\u5668\u4e2d\u7684\u7070\u5c18\uff0c\u9632\u6b62\u8fc7\u70ed\u5bfc\u81f4 IOPS \u4e0b\u964d\u6216\u78c1\u76d8\u635f\u574f\u3002\u5bf9\u4e8e\u51fa\u73b0\u6545\u969c\u8ff9\u8c61\u7684\u78c1\u76d8\uff0c\u8981\u53ca\u65f6\u66f4\u6362\u3002\u66f4\u65b0 RAID \u63a7\u5236\u5668\u56fa\u4ef6\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\u5e76\u4fee\u590d\u6f5c\u5728\u95ee\u9898\u3002\u5b9a\u671f\u6d4b\u8bd5\u5907\u4efd\uff0c\u786e\u4fdd\u5728\u51fa\u73b0\u6545\u969c\u65f6\u53ef\u4ee5\u6062\u590d\u6570\u636e\u3002\u4fdd\u7559\u7ef4\u62a4\u64cd\u4f5c\u8bb0\u5f55\uff0c\u6709\u52a9\u4e8e\u4f60\u8ddf\u8e2a\u53d8\u66f4\u5e76\u53d1\u73b0 IOPS \u6216\u6027\u80fd\u8d8b\u52bf\u3002<\/p>\n \ud83d\udee0\ufe0f \u63d0\u793a\uff1a\u4e3a IOPS \u548c\u6027\u80fd\u6307\u6807\u8bbe\u7f6e\u81ea\u52a8\u62a5\u8868\uff0c\u53ef\u4ee5\u8282\u7701\u65f6\u95f4\uff0c\u5e76\u5e2e\u52a9\u4f60\u5feb\u901f\u54cd\u5e94\u6f5c\u5728\u95ee\u9898\u3002<\/p><\/blockquote>\n \u95ee\u9898\u6392\u67e5<\/h3>\n\u5f53\u4f60\u53d1\u73b0 RAID \u6027\u80fd\u4e0b\u964d\u65f6\uff0c\u9700\u8981\u4e00\u5957\u6e05\u6670\u7684\u6392\u67e5\u6d41\u7a0b\u6765\u5b9a\u4f4d\u539f\u56e0\u3002\u9996\u5148\u68c0\u67e5 RAID \u63a7\u5236\u5668\u65e5\u5fd7\u4e2d\u662f\u5426\u5b58\u5728\u9519\u8bef\u4fe1\u606f\uff0c\u7136\u540e\u68c0\u67e5\u7269\u7406\u8fde\u63a5\u4ee5\u53ca\u6240\u6709\u78c1\u76d8\u72b6\u6001\uff0c\u786e\u4fdd RAID \u63a7\u5236\u5668\u56fa\u4ef6\u4e3a\u6700\u65b0\u7248\u672c\u3002\u901a\u8fc7\u76d1\u63a7\u6027\u80fd\u6307\u6807\uff0c\u53ef\u4ee5\u627e\u51fa IOPS \u6216\u541e\u5410\u91cf\u7684\u74f6\u9888\u3002\u5982\u679c\u53d1\u73b0\u67d0\u5757\u78c1\u76d8\u660e\u663e\u53d8\u6162\uff0c\u5e94\u5728\u5f71\u54cd\u6574\u53f0\u670d\u52a1\u5668\u4e4b\u524d\u5c3d\u5feb\u66f4\u6362\u3002\u5229\u7528\u76d1\u63a7\u5de5\u5177\u5c06\u5f53\u524d IOPS \u4e0e\u5386\u53f2\u6570\u636e\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u4f60\u8bc6\u522b\u5f02\u5e38\u6a21\u5f0f\u5e76\u5feb\u901f\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n \u26a1 \u5feb\u901f\u884c\u52a8\uff1a\u4e00\u65e6\u53d1\u73b0 IOPS \u660e\u663e\u4e0b\u964d\uff0c\u8981\u7acb\u5373\u6392\u67e5\u3002\u53ca\u65e9\u5904\u7406\u53ef\u4ee5\u4fdd\u62a4\u6570\u636e\u5e76\u4fdd\u6301\u670d\u52a1\u5668\u5728\u7ebf\u8fd0\u884c\u3002<\/p><\/blockquote>\n \u4f60\u53ef\u4ee5\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684 RAID \u7ea7\u522b\u3001\u6269\u5c55\u78c1\u76d8\u7ec4\u4ee5\u53ca\u914d\u7f6e\u70ed\u5907\u76d8\uff08hot-spare\uff09\uff0c\u6765\u81ea\u5b9a\u4e49\u9002\u5408\u65e5\u672c\u670d\u52a1\u5668\u7684 RAID \u78c1\u76d8\u9635\u5217\u3002\u540c\u65f6\u8c03\u6574 RAID \u91cd\u540c\u6b65\u4f18\u5148\u7ea7\uff0c\u5e76\u4f7f\u7528 RAID \u6821\u9a8c\uff08RAID scrubbing\uff09\u6765\u9a8c\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u3002\u6bcf\u5929\u76d1\u63a7 IOPS \u548c\u6027\u80fd\u8868\u73b0\uff0c\u6839\u636e\u5de5\u4f5c\u8d1f\u8f7d\u548c\u5408\u89c4\u9700\u6c42\u5b9a\u5236 RAID \u65b9\u6848\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u4e0d\u540c RAID \u7ea7\u522b\u5bf9\u8bfb\u53d6\u901f\u5ea6\u3001\u5197\u4f59\u548c\u5b58\u50a8\u6548\u7387\u7684\u5f71\u54cd\u3002<\/p>\n \n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\nRAID \u7ea7\u522b<\/th>\n \u6027\u80fd<\/th>\n \u5197\u4f59<\/th>\n \u5b58\u50a8\u6548\u7387<\/th>\n<\/tr>\n RAID 0<\/td>\n \u9ad8<\/td>\n \u65e0<\/td>\n 100%<\/td>\n<\/tr>\n RAID 1<\/td>\n \u8bfb\u53d6\u66f4\u5feb<\/td>\n \u9ad8<\/td>\n \u8f83\u4f4e<\/td>\n<\/tr>\n RAID 5<\/td>\n \u826f\u597d<\/td>\n \u4e2d\u7b49<\/td>\n \u9700\u8981 3 \u5757\u4ee5\u4e0a\u78c1\u76d8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\ud83d\ude80 \u57fa\u4e8e NVMe \u7684 RAID \u63a7\u5236\u5668\u4ee5\u53ca\u4e0e\u4e91\u5e73\u53f0\u7684\u6df1\u5ea6\u96c6\u6210\uff0c\u5c06\u4e3a\u672a\u6765\u7684\u5de5\u4f5c\u8d1f\u8f7d\u5e26\u6765\u66f4\u9ad8\u7684 IOPS \u548c\u66f4\u5f3a\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n \u5e38\u89c1\u95ee\u9898\uff08FAQ\uff09<\/strong><\/h2>\n\u54ea\u79cd RAID \u7ea7\u522b\u53ef\u4ee5\u83b7\u5f97\u6700\u5feb\u7684\u6570\u636e\u8bfb\u53d6\u901f\u5ea6\uff1f<\/h3>\nRAID 0 \u80fd\u63d0\u4f9b\u6700\u5feb\u7684\u6570\u636e\u8bfb\u53d6\u901f\u5ea6\u3002\u5b83\u5c06\u6570\u636e\u6761\u5e26\u5316\u5206\u5e03\u5230\u591a\u5757\u78c1\u76d8\u4e0a\uff0c\u4ece\u800c\u83b7\u5f97\u6781\u9ad8\u7684\u6027\u80fd\uff0c\u4f46\u4e0d\u63d0\u4f9b\u4efb\u4f55\u6570\u636e\u4fdd\u62a4\u3002\u5982\u679c\u4f60\u65e2\u60f3\u8981\u901f\u5ea6\u4e5f\u60f3\u8981\u5197\u4f59\uff0c\u53ef\u4ee5\u9009\u62e9 RAID 10\u3002<\/p>\n \u5982\u4f55\u5728\u65e5\u672c\u670d\u52a1\u5668\u4e0a\u76d1\u63a7 RAID \u6027\u80fd\uff1f<\/h3>\n\u53ef\u4ee5\u4f7f\u7528 MegaRAID Storage Manager \u6216 mdadm \u7b49\u5de5\u5177\u6765\u76d1\u63a7 RAID \u6027\u80fd\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u8ffd\u8e2a\u78c1\u76d8\u5065\u5eb7\u72b6\u51b5\u3001IOPS \u548c\u541e\u5410\u91cf\u3002\u4e3a\u6027\u80fd\u7a81\u7136\u4e0b\u964d\u8bbe\u7f6e\u544a\u8b66\uff0c\u5e76\u6bcf\u5929\u67e5\u770b\u76d1\u63a7\u9762\u677f\uff0c\u4ee5\u786e\u4fdd RAID \u9635\u5217\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n \u80fd\u5426\u5728\u540c\u4e00\u4e2a RAID \u9635\u5217\u4e2d\u6df7\u7528 SSD \u548c HDD\uff1f<\/h3>\n\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a RAID \u9635\u5217\u4e2d\u6df7\u7528 SSD \u548c HDD\uff0c\u4f46\u6574\u4f53\u6027\u80fd\u4f1a\u964d\u5230\u6700\u6162\u90a3\u5757\u78c1\u76d8\u7684\u6c34\u5e73\u3002\u4e3a\u4e86\u83b7\u5f97\u6700\u4f73\u6548\u679c\uff0c\u5efa\u8bae\u4f7f\u7528\u901f\u5ea6\u548c\u5bb9\u91cf\u76f8\u8fd1\u7684\u78c1\u76d8\uff0c\u4ee5\u4fdd\u6301 RAID \u914d\u7f6e\u7684\u6548\u7387\u3002<\/p>\n RAID \u63a7\u5236\u5668\u56fa\u4ef6\u5e94\u591a\u4e45\u66f4\u65b0\u4e00\u6b21\uff1f<\/h3>\n\u901a\u5e38\u5efa\u8bae\u6bcf 3 \u5230 6 \u4e2a\u6708\u66f4\u65b0\u4e00\u6b21 RAID \u63a7\u5236\u5668\u56fa\u4ef6\u3002\u56fa\u4ef6\u66f4\u65b0\u53ef\u4ee5\u4fee\u590d Bug\u3001\u63d0\u5347\u6027\u80fd\u3002\u8bf7\u5728\u4e1a\u52a1\u4f4e\u5cf0\u671f\u5b89\u6392\u66f4\u65b0\uff0c\u5e76\u5728\u64cd\u4f5c\u524d\u786e\u8ba4\u517c\u5bb9\u6027\u3002<\/p>\n \u5982\u679c RAID 5 \u4e2d\u6709\u4e00\u5757\u78c1\u76d8\u6545\u969c\u4f1a\u600e\u6837\uff1f<\/h3>\n\u5f53 RAID 5 \u4e2d\u6709\u4e00\u5757\u78c1\u76d8\u6545\u969c\u65f6\uff0c\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u91cd\u5efa\u6570\u636e\u3002\u4f60\u5fc5\u987b\u5c3d\u5feb\u66f4\u6362\u6545\u969c\u78c1\u76d8\uff0c\u5982\u679c\u5728\u91cd\u5efa\u8fc7\u7a0b\u4e2d\u53c8\u6709\u53e6\u4e00\u5757\u78c1\u76d8\u6545\u969c\uff0c\u6240\u6709\u6570\u636e\u90fd\u4f1a\u4e22\u5931\u3002\u56e0\u6b64\u9700\u8981\u5bc6\u5207\u76d1\u63a7 RAID \u9635\u5217\uff0c\u9884\u9632\u6570\u636e\u4e22\u5931\u3002[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":" [vc_row][vc_column][vc_column_text css=””]\u4f60\u5e0c\u671b\u81ea\u5b9a\u4e49RAID \u78c1\u76d8\u9635\u5217\uff0c\u4ee5\u63d0\u5347\u4f60\u7684\u65e5\u672c\u670d\u52a1\u5668\u6027\u80fd\u3002RAID \u914d\u7f6e\u4f1a\u6539\u53d8\u6570\u636e\u8bbf\u95ee\u901f\u5ea6\uff0c\u4ee5\u53ca\u670d\u52a1\u5668\u5904\u7406\u8bfb\u5199\u4efb\u52a1\u7684\u80fd\u529b\u3002\u9009\u62e9\u5408\u9002\u7684 RAID \u7ea7\u522b\uff0c\u53ef\u4ee5\u5728\u63d0\u5347\u6027\u80fd\u7684\u540c\u65f6\u4fdd\u62a4\u6570\u636e\u5b89\u5168\u3002\u786c\u4ef6\u9009\u62e9\u540c\u6837\u91cd\u8981\uff0cSSD \u548c HDD \u5728 RAID \u4e2d\u5404\u6709\u4f18\u52bf\u3002\u63a7\u5236\u5668\u7684\u53c2\u6570\u8bbe\u7f6e\u4e5f\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u901a\u8fc7\u7cbe\u7ec6\u8c03\u4f18\uff0c\u4f60\u53ef\u4ee5\u6700\u5927\u5316\u53d1\u6325\u670d\u52a1\u5668\u6027\u80fd\u3002 \u5173\u952e\u8981\u70b9 \u9009\u62e9\u5408\u9002\u7684 RAID \u7ea7\u522b\uff0c\u5728\u901f\u5ea6\u4e0e\u6570\u636e\u5b89\u5168\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002 \u5728 RAID \u9635\u5217\u4e2d\u4f7f\u7528 SSD\uff0c\u53ef\u83b7\u5f97\u66f4\u5feb\u7684\u8bfb\u5199\u901f\u5ea6\u3002 \u5b9a\u671f\u66f4\u65b0 RAID \u63a7\u5236\u5668\u56fa\u4ef6\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002 \u4f7f\u7528\u5de5\u5177\u76d1\u63a7 RAID \u6027\u80fd\uff0c\u9884\u9632\u6570\u636e\u4e22\u5931\u3002 \u7528\u771f\u5b9e\u5de5\u4f5c\u8d1f\u8f7d\u6d4b\u8bd5 RAID \u914d\u7f6e\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u7ed3\u679c\u3002 \u4e3a\u8bfb\u53d6\u6548\u7387\u81ea\u5b9a\u4e49 RAID \u78c1\u76d8\u9635\u5217 \u5f53\u4f60\u81ea\u5b9a\u4e49 RAID \u78c1\u76d8\u9635\u5217\u65f6\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u65e5\u672c\u670d\u52a1\u5668\u7684\u8bfb\u5199\u6027\u80fd\u3002\u9009\u62e9\u5408\u9002\u7684 RAID \u914d\u7f6e\uff0c\u6709\u52a9\u4e8e\u5339\u914d\u4f60\u7684\u5de5\u4f5c\u8d1f\u8f7d\u9700\u6c42\u3002\u4f60\u53ef\u4ee5\u5bf9\u6bd4\u4e0d\u540c RAID \u7ea7\u522b\uff0c\u4e86\u89e3\u5b83\u4eec\u5728\u901f\u5ea6\u3001\u5197\u4f59\u548c\u6570\u636e\u5b89\u5168\u65b9\u9762\u7684\u5dee\u5f02\u3002 RAID \u7c7b\u578b \u8bfb\u53d6\u901f\u5ea6 \u5197\u4f59\u5ea6 RAID 0 \u6700\u5feb \u65e0 RAID 1 \u4e2d\u7b49 \u9ad8 RAID 5 \u968f\u78c1\u76d8\u6570\u91cf\u63d0\u5347 \u4e2d\u7b49 RAID […]<\/p>\n Read 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