\u70ba\u8b80\u53d6\u6548\u7387\u81ea\u8a02 RAID \u78c1\u789f\u9663\u5217<\/strong><\/h2>\n

\u7576\u4f60\u81ea\u8a02 RAID \u78c1\u789f\u9663\u5217\u6642\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u65e5\u672c\u4f3a\u670d\u5668\u7684\u8b80\u5beb\u6548\u80fd\u3002\u9078\u64c7\u5408\u9069\u7684 RAID \u8a2d\u5b9a\uff0c\u6709\u52a9\u65bc\u7b26\u5408\u4f60\u7684\u5de5\u4f5c\u8ca0\u8f09\u9700\u6c42\u3002\u4f60\u53ef\u4ee5\u6bd4\u8f03\u4e0d\u540c RAID \u7b49\u7d1a\uff0c\u4e86\u89e3\u5b83\u5011\u5728\u901f\u5ea6\u3001\u5197\u9918\u8207\u8cc7\u6599\u5b89\u5168\u65b9\u9762\u7684\u5dee\u7570\u3002<\/p>\n

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

RAID \u985e\u578b<\/th>\n	\u8b80\u53d6\u901f\u5ea6<\/th>\n	\u5197\u9918\u5ea6<\/th>\n<\/tr>\n
RAID 0<\/td>\n	\u6700\u5feb<\/td>\n	\u7121<\/td>\n<\/tr>\n
RAID 1<\/td>\n	\u4e2d\u7b49<\/td>\n	\u9ad8<\/td>\n<\/tr>\n
RAID 5<\/td>\n	\u96a8\u78c1\u789f\u6578\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	\u512a\u79c0<\/td>\n	\u9ad8<\/td>\n<\/tr>\n
RAID 50<\/td>\n	\u512a\u65bc RAID 5<\/td>\n	\u4e2d\u7b49<\/td>\n<\/tr>\n
RAID 60<\/td>\n	\u512a\u65bc RAID 6<\/td>\n	\u5f88\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n RAID 0 \u7684\u901f\u5ea6\u512a\u52e2<\/h3>\n \u5982\u679c\u4f60\u60f3\u8981\u76e1\u53ef\u80fd\u5feb\u7684\u8b80\u5beb\u901f\u5ea6\uff0c\u53ef\u4ee5\u9078\u64c7 RAID 0\u3002\u9019\u7a2e RAID \u8a2d\u5b9a\u6703\u5c07\u8cc7\u6599\u4ee5\u689d\u5e36\u5316\u65b9\u5f0f\u5206\u4f48\u5230\u591a\u500b\u78c1\u789f\u4e0a\uff0c\u6bcf\u4e00\u9846\u78c1\u789f\u540c\u6642\u904b\u4f5c\uff0c\u5f9e\u800c\u91cb\u653e\u6bcf\u9846\u78c1\u789f\u7684\u6548\u80fd\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5982\u679c\u4f60\u4f7f\u7528 8 \u9846\u78c1\u789f\uff0c\u6bcf\u9846\u78c1\u789f\u63d0\u4f9b 125 IOPS\uff0c\u8b80\u5beb IOPS \u7e3d\u548c\u5c31\u80fd\u9054\u5230 1,000\u3002\u9019\u7a2e\u67b6\u69cb\u5e36\u4f86\u6975\u9ad8\u7684 I\/O \u6548\u80fd\u8207\u6700\u5927\u541e\u5410\u91cf\u3002<\/p>\n \n RAID 0 \u5e7e\u4e4e\u6c92\u6709\u984d\u5916\u958b\u92b7\uff0c\u6bcf\u500b\u78c1\u789f\u8f49\u8ef8\u90fd\u88ab\u7528\u65bc\u8b80\u5beb\u3002<\/li>\n \u78c1\u789f\u6578\u91cf\u8d8a\u591a\uff0cIOPS \u8d8a\u9ad8\uff0c\u8b80\u5beb\u6548\u80fd\u8d8a\u597d\u3002<\/li>\n \u8b80\u5beb IOPS \u5927\u81f4\u76f8\u7b49\uff0c\u975e\u5e38\u9069\u5408\u9ad8\u8ca0\u8f09\u60c5\u5883\u3002<\/li>\n<\/ul>\n \n \u26a0\ufe0f \u6ce8\u610f\uff1a<\/strong>RAID 0 \u4e0d\u63d0\u4f9b\u4efb\u4f55\u8cc7\u6599\u4fdd\u8b77\u3002\u5982\u679c\u4efb\u4e00\u78c1\u789f\u6545\u969c\uff0c\u6240\u6709\u8cc7\u6599\u90fd\u6703\u907a\u5931\u3002\u5728\u65e5\u672c\u8cc7\u6599\u4e2d\u5fc3\u4e2d\uff0c\u9019\u7a2e\u98a8\u96aa\u975e\u5e38\u9ad8\uff0c\u56e0\u70ba\u6b64 RAID \u7b49\u7d1a\u7121\u6cd5\u9032\u884c\u8cc7\u6599\u5fa9\u539f\u3002<\/p>\n<\/blockquote>\n RAID 5 \u7684\u5747\u8861\u6548\u80fd<\/h3>\n RAID 5 \u5728\u8b80\u53d6\u6548\u80fd\u8207\u8cc7\u6599\u4fdd\u8b77\u4e4b\u9593\u63d0\u4f9b\u4e86\u826f\u597d\u5e73\u8861\u3002\u9019\u7a2e RAID \u8a2d\u5b9a\u6703\u5c07\u8cc7\u6599\u8207\u540c\u4f4d\u6aa2\u67e5\uff08Parity\uff09\u8cc7\u8a0a\u5206\u4f48\u5728\u81f3\u5c11\u4e09\u9846\u78c1\u789f\u4e0a\u3002\u7576\u5176\u4e2d\u4e00\u9846\u78c1\u789f\u6545\u969c\u6642\uff0c\u53ef\u4ee5\u900f\u904e\u540c\u4f4d\u6aa2\u67e5\u8cc7\u8a0a\u91cd\u5efa\u8cc7\u6599\u3002\u8a31\u591a\u65e5\u672c\u4f3a\u670d\u5668\u6703\u5728\u6a94\u6848\u4f3a\u670d\u5668\u3001\u5c01\u5b58\u8207\u5099\u4efd\u60c5\u5883\u4e2d\u63a1\u7528 RAID 5\uff0c\u56e0\u70ba\u5b83\u80fd\u5f88\u597d\u5730\u61c9\u4ed8\u4ee5\u8b80\u53d6\u70ba\u4e3b\u7684\u8ca0\u8f09\u3002<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n \u7279\u6027<\/th>\n RAID 5 \u8aaa\u660e<\/th>\n<\/tr>\n \u8cc7\u6599\u4fdd\u8b77<\/td>\n \u8cc7\u6599\u8207\u540c\u4f4d\u6aa2\u67e5\u8cc7\u8a0a\u5206\u4f48\u5728\u591a\u9846\u78c1\u789f\u4e0a\uff08\u81f3\u5c11 3 \u9846\uff09\u3002\u7576\u4e00\u9846\u78c1\u789f\u6545\u969c\u6642\uff0c\u7cfb\u7d71\u53ef\u900f\u904e\u540c\u4f4d\u6aa2\u67e5\u91cd\u5efa\u8cc7\u6599\u3002<\/td>\n<\/tr>\n \u8b80\u53d6\u6548\u80fd<\/td>\n \u826f\u597d\u7684\u8b80\u53d6\u6548\u80fd\uff0c\u9069\u5408\u6a94\u6848\u4f3a\u670d\u5668\u3001\u5c01\u5b58\u6216\u5099\u4efd\u7b49\u4ee5\u8b80\u53d6\u70ba\u4e3b\u7684\u8ca0\u8f09\u3002<\/td>\n<\/tr>\n \u5132\u5b58\u6548\u7387<\/td>\n \u8f03\u9ad8\u7684\u5132\u5b58\u7a7a\u9593\u5229\u7528\u7387\u3002<\/td>\n<\/tr>\n \u5beb\u5165\u901f\u5ea6<\/td>\n \u7531\u65bc\u9700\u8981\u9032\u884c\u540c\u4f4d\u6aa2\u67e5\u8a08\u7b97\uff0c\u5beb\u5165\u901f\u5ea6\u8f03\u6162\u3002<\/td>\n<\/tr>\n \u91cd\u5efa\u98a8\u96aa<\/td>\n \u91cd\u5efa\u98a8\u96aa\u8f03\u9ad8\u2014\u2014\u82e5\u5728\u91cd\u5efa\u904e\u7a0b\u4e2d\u518d\u6709\u4e00\u9846\u78c1\u789f\u6545\u969c\uff0c\u8cc7\u6599\u5c07\u5168\u90e8\u907a\u5931\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u4f60\u53ef\u4ee5\u900f\u904e RAID 5 \u4f86\u81ea\u8a02 RAID \u78c1\u789f\u9663\u5217\uff0c\u96a8\u8457\u78c1\u789f\u6578\u91cf\u589e\u52a0\u7372\u5f97\u66f4\u591a IOPS\u3002\u6b64\u67b6\u69cb\u80fd\u63d0\u5347\u8b80\u5beb\u6548\u80fd\uff0c\u4f46\u5beb\u5165\u901f\u5ea6\u6703\u56e0\u540c\u4f4d\u6aa2\u67e5\u8a08\u7b97\u800c\u4e0b\u964d\u3002\u5728\u91cd\u5efa\u671f\u9593\uff0c\u4f60\u61c9\u5bc6\u5207\u76e3\u63a7\u78c1\u789f\u72c0\u614b\uff0c\u56e0\u70ba\u82e5\u6b64\u6642\u518d\u640d\u58de\u4e00\u9846\u78c1\u789f\uff0c\u6240\u6709\u8cc7\u6599\u90fd\u6703\u907a\u5931\u3002<\/p>\n RAID 10 \u7684\u901f\u5ea6\u8207\u5197\u9918<\/h3>\n RAID 10 \u5c07\u689d\u5e36\u5316\uff08striping\uff09\u7684\u901f\u5ea6\u512a\u52e2\u8207\u93e1\u50cf\uff08mirroring\uff09\u7684\u5197\u9918\u80fd\u529b\u7d50\u5408\u5728\u4e00\u8d77\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u9019\u7a2e RAID \u8a2d\u5b9a\uff0c\u540c\u6642\u7372\u5f97\u512a\u7570\u7684\u8b80\u5beb\u6548\u80fd\u8207\u8f03\u9ad8\u7684\u8cc7\u6599\u5b89\u5168\u6027\u3002RAID 10 \u4ee5\u78c1\u789f\u5c0d\u70ba\u55ae\u4f4d\u904b\u4f5c\uff0c\u56e0\u6b64\u81f3\u5c11\u9700\u8981 4 \u9846\u78c1\u789f\u4f86\u5efa\u7f6e\u9663\u5217\u3002<\/p>\n \n RAID 10 \u7684\u5faa\u5e8f\u8b80\u53d6\u541e\u5410\u91cf\u6700\u9ad8\u53ef\u9054 25 GiB\/s\u3002<\/li>\n \u5beb\u5165\u541e\u5410\u91cf\u6700\u9ad8\u53ef\u9054 10 GiB\/s\u3002<\/li>\n \u6574\u9ad4\u6548\u80fd\u53ef\u8207 10 \u9846 NVMe SSD \u7684\u541e\u5410\u91cf\u76f8\u7576\u3002<\/li>\n<\/ul>\n \u4f60\u53ef\u4ee5\u5728\u8b80\u5beb\u5de5\u4f5c\u4e2d\u7372\u5f97\u6975\u9ad8\u7684 IOPS\u3002RAID 10 \u900f\u904e\u78c1\u789f\u93e1\u50cf\u4f86\u4fdd\u8b77\u8cc7\u6599\uff0c\u82e5\u6709\u4e00\u9846\u78c1\u789f\u6545\u969c\uff0c\u8cc7\u6599\u4e0d\u6703\u907a\u5931\u3002\u5c0d\u65bc\u65e2\u9700\u8981\u901f\u5ea6\u53c8\u9700\u8981\u5197\u9918\u7684\u65e5\u672c\u4f01\u696d\u7d1a\u5de5\u4f5c\u8ca0\u8f09\uff0c\u4f60\u53ef\u4ee5\u5c07 RAID 10 \u7528\u65bc\u81ea\u8a02 RAID \u78c1\u789f\u9663\u5217\u3002\u6b64\u8a2d\u5b9a\u975e\u5e38\u9069\u5408\u8cc7\u6599\u5eab\u3001\u865b\u64ec\u6a5f\u8207\u9ad8\u6d41\u91cf\u7db2\u7ad9\u4f3a\u670d\u5668\u3002<\/p>\n \n \ud83d\udca1 \u63d0\u793a\uff1a<\/strong>\u5728\u9078\u64c7 RAID \u7b49\u7d1a\u6642\uff0c\u52d9\u5fc5\u8003\u91cf\u5de5\u4f5c\u8ca0\u8f09\u985e\u578b\u3001\u78c1\u789f\u6578\u91cf\u4ee5\u53ca\u5c0d\u8cc7\u6599\u4fdd\u8b77\u7684\u9700\u6c42\u3002RAID 0 \u8ffd\u6c42\u6975\u81f4\u901f\u5ea6\uff0cRAID 5 \u5728\u6548\u80fd\u8207\u5b89\u5168\u4e4b\u9593\u6298\u8877\uff0c\u800c RAID 10 \u5247\u540c\u6642\u517c\u9867\u901f\u5ea6\u8207\u5197\u9918\u3002<\/p>\n<\/blockquote>\n \u900f\u904e\u7406\u89e3\u9019\u4e9b RAID \u8a2d\u5b9a\uff0c\u4f60\u53ef\u4ee5\u4f9d\u64da\u8b80\u5beb\u9700\u6c42\u81ea\u8a02 RAID \u78c1\u789f\u9663\u5217\uff0c\u5f9e\u800c\u63d0\u5347\u5132\u5b58\u6548\u80fd\u3001\u4fdd\u8b77\u8cc7\u6599\uff0c\u4e26\u5728\u65e5\u672c\u4f3a\u670d\u5668\u4e0a\u7372\u5f97\u66f4\u4f73\u7684 I\/O \u8868\u73fe\u3002<\/p>\n \u5f71\u97ff RAID \u6548\u80fd\u7684\u786c\u9ad4\u9078\u64c7<\/strong><\/h2>\n SSD \u8207 HDD \u7684\u8b80\u53d6\u901f\u5ea6\u6bd4\u8f03<\/h3>\n \u70ba\u65e5\u672c\u4f3a\u670d\u5668\u5efa\u7f6e RAID \u9663\u5217\u6642\uff0c\u4f60\u9700\u8981\u5728 SSD \u548c HDD \u4e4b\u9593\u505a\u51fa\u9078\u64c7\u3002SSD \u63d0\u4f9b\u9060\u9ad8\u65bc HDD \u7684\u8b80\u5beb\u901f\u5ea6\u3002\u56fa\u614b\u786c\u789f\u4f7f\u7528\u5feb\u9583\u8a18\u61b6\u9ad4\uff0c\u4e0d\u5b58\u5728\u6a5f\u68b0\u5ef6\u9072\uff1b\u800c HDD \u4ef0\u8cf4\u65cb\u8f49\u789f\u7247\uff0c\u8b80\u5beb\u64cd\u4f5c\u5bb9\u6613\u53d7\u5230\u6a5f\u68b0\u5143\u4ef6\u9650\u5236\u3002\u7531\u65bc\u6c92\u6709\u6a5f\u68b0\u7d50\u69cb\uff0cSSD \u7684\u53ef\u9760\u6027\u901a\u5e38\u4e5f\u66f4\u9ad8\uff1bHDD \u5247\u66f4\u5bb9\u6613\u56e0\u6a5f\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 \u8b80\u53d6\u901f\u5ea6<\/td>\n \u8b80\u5beb\u6548\u80fd\u6975\u4f73<\/td>\n \u6574\u9ad4\u6548\u80fd\u8f03\u6162<\/td>\n<\/tr>\n \u53ef\u9760\u6027<\/td>\n \u4e0d\u6613\u767c\u751f\u6a5f\u68b0\u6545\u969c<\/td>\n \u8f03\u5bb9\u6613\u767c\u751f\u6a5f\u68b0\u6545\u969c<\/td>\n<\/tr>\n \u6210\u672c<\/td>\n \u55ae\u4f4d GB \u6210\u672c\u8f03\u9ad8<\/td>\n \u55ae\u4f4d GB \u6210\u672c\u8f03\u4f4e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n \u5728 RAID \u9663\u5217\u4e2d\uff0cSSD \u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u8b80\u5beb\u6548\u80fd\u3002<\/li>\n HDD \u56e0\u6a5f\u68b0\u7d50\u69cb\u9650\u5236\uff0c\u66f4\u5bb9\u6613\u5f62\u6210\u6548\u80fd\u74f6\u9838\u3002<\/li>\n \u5169\u7a2e\u78c1\u789f\u90fd\u53ef\u80fd\u6545\u969c\uff0c\u4f46 SSD \u7684\u58fd\u547d\u901a\u5e38\u66f4\u9577\u3002<\/li>\n<\/ul>\n \u4f60\u9084\u9700\u8981\u8003\u91cf\u6210\u672c\u8207\u8017\u80fd\u3002SSD \u7684\u8017\u96fb\u8207\u7a7a\u9593\u5360\u7528\u66f4\u5c11\u3002\u4f8b\u5982\uff0cSSD \u541e\u5410\u91cf\u53ef\u9054 7000 MB\/s\uff0c\u800c\u6df7\u5408 HDD \u7cfb\u7d71\u901a\u5e38\u53ea\u6709\u7d04 500 MB\/s\u3002\u4f7f\u7528 SSD \u53ef\u4ee5\u6e1b\u5c11\u6240\u9700\u78c1\u789f\u6578\u91cf\uff0c\u9032\u800c\u7bc0\u7701\u6a5f\u67b6\u7a7a\u9593\u4e26\u964d\u4f4e\u80fd\u6e90\u6210\u672c\u3002<\/p>\n \u65e5\u672c\u8cc7\u6599\u4e2d\u5fc3\u76f8\u5bb9\u6027<\/h3>\n \u4f60\u5fc5\u9808\u78ba\u8a8d\u786c\u9ad4\u662f\u5426\u7b26\u5408\u65e5\u672c\u8cc7\u6599\u4e2d\u5fc3\u7684\u8981\u6c42\u3002\u65e5\u672c\u8cc7\u6599\u91cf\u7684\u7206\u70b8\u5f0f\u6210\u9577\uff0c\u63a8\u52d5\u4e86\u5c0d\u9ad8\u6548\u80fd RAID \u63a7\u5236\u5668\u8207\u9ad8\u6548\u80fd\u78c1\u789f\u7684\u9700\u6c42\u3002\u8a31\u591a\u8cc7\u6599\u4e2d\u5fc3\u5c0d\u541e\u5410\u91cf\u8207\u5197\u9918\u6027\u90fd\u6709\u8f03\u9ad8\u8981\u6c42\u3002\u4f60\u61c9\u9078\u64c7\u652f\u63f4\u9ad8\u5bc6\u5ea6\u4f3a\u670d\u5668\u914d\u7f6e\u7684\u78c1\u789f\u8207 RAID \u63a7\u5236\u5668\uff0c\u4ee5\u4fbf\u5728\u55ae\u4e00\u6a5f\u6bbc\u5167\u7ba1\u7406\u66f4\u591a\u78c1\u789f\u3002\u540c\u6642\uff0c\u4e5f\u8981\u78ba\u4fdd RAID \u7b49\u7d1a\u80fd\u6eff\u8db3\u5728\u5730\u5c0d\u8cc7\u6599\u4fdd\u8b77\u8207\u696d\u52d9\u9023\u7e8c\u6027\u7684\u8981\u6c42\u3002<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n \u95dc\u9375\u56e0\u7d20<\/th>\n \u8aaa\u660e<\/th>\n<\/tr>\n \u8cc7\u6599\u7206\u70b8\u5f0f\u6210\u9577<\/td>\n \u8cc7\u6599\u7522\u751f\u91cf\u5feb\u901f\u6210\u9577\uff0c\u9700\u8981\u66f4\u7a69\u5065\u7684\u5132\u5b58\u65b9\u6848\uff0c\u4f7f RAID \u63a7\u5236\u5668\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/td>\n<\/tr>\n \u9ad8\u6548\u80fd\u9700\u6c42<\/td>\n AI \u8207\u5927\u6578\u64da\u7b49\u61c9\u7528\u9700\u8981\u66f4\u5feb\u7684\u8cc7\u6599\u5b58\u53d6\uff0c\u9032\u4e00\u6b65\u63a8\u5347\u5c0d\u9ad8\u6548\u80fd RAID \u63a7\u5236\u5668\uff08\u7279\u5225\u662f\u642d\u914d NVMe SSD\uff09\u7684\u9700\u6c42\u3002<\/td>\n<\/tr>\n \u52a0\u5f37\u8cc7\u6599\u5197\u9918\u8207\u9632\u8b77<\/td>\n \u9632\u6b62\u8cc7\u6599\u907a\u5931\u8207\u78ba\u4fdd\u696d\u52d9\u9023\u7e8c\u6027\u7684\u9700\u6c42\u6301\u7e8c\u63d0\u5347\uff0c\u589e\u52a0\u4e86\u5c0d RAID \u8cc7\u6599\u4fdd\u8b77\u80fd\u529b\u7684\u4f9d\u8cf4\u3002<\/td>\n<\/tr>\n \u4f3a\u670d\u5668\u6574\u5408\u8207\u9ad8\u5bc6\u5ea6<\/td>\n \u671d\u9ad8\u5bc6\u5ea6\u4f3a\u670d\u5668\u914d\u7f6e\u767c\u5c55\u7684\u8da8\u52e2\uff0c\u9700\u8981 RAID \u63a7\u5236\u5668\u80fd\u5728\u55ae\u4e00\u6a5f\u6bbc\u5167\u7ba1\u7406\u66f4\u591a\u786c\u789f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n \ud83d\udca1 \u63d0\u793a\uff1a<\/strong>\u5728\u5b89\u88dd\u78c1\u789f\u6216 RAID \u63a7\u5236\u5668\u4e4b\u524d\uff0c\u4e00\u5b9a\u8981\u78ba\u8a8d\u5176\u662f\u5426\u7b26\u5408\u7576\u5730\u6cd5\u898f\u8207\u96fb\u529b\u6a19\u6e96\u3002<\/p>\n<\/blockquote>\n \u9032\u968e RAID \u63a7\u5236\u5668<\/h3>\n \u4f7f\u7528\u9032\u968e RAID \u63a7\u5236\u5668\uff0c\u53ef\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u8b80\u5beb\u6548\u80fd\u3002\u73fe\u4ee3\u63a7\u5236\u5668\u666e\u904d\u63a1\u7528 PCIe Gen5 \u7b49\u9ad8\u901f\u4ecb\u9762\uff0c\u5927\u5e45\u63d0\u5347\u8cc7\u6599\u50b3\u8f38\u901f\u7387\u4e26\u6539\u5584\u8b80\u53d6\u6548\u7387\u3002\u9019\u5c0d\u65e5\u672c\u7684\u8cc7\u6599\u5bc6\u96c6\u578b\u5de5\u4f5c\u8ca0\u8f09\uff08\u5982\u5373\u6642\u5206\u6790\u8207\u5927\u578b\u8cc7\u6599\u5eab\uff09\u7279\u5225\u91cd\u8981\u3002\u642d\u914d NVMe \u6280\u8853\u7684 RAID \u63a7\u5236\u5668\u53ef\u4ee5\u63d0\u4f9b\u4f4e\u5ef6\u9072\u8207\u9ad8\u541e\u5410\u91cf\uff0c\u540c\u6642\u4fdd\u8b77\u8cc7\u6599\u4e26\u7dad\u6301\u4f3a\u670d\u5668\u7a69\u5b9a\u904b\u4f5c\u3002\u4f60\u61c9\u5b9a\u671f\u66f4\u65b0\u63a7\u5236\u5668\u97cc\u9ad4\uff0c\u4ee5\u7dad\u6301\u5cf0\u503c\u6548\u80fd\u3002<\/p>\n \ud83d\ude80 \u9032\u968e RAID \u63a7\u5236\u5668\u6709\u52a9\u65bc\u7ba1\u7406\u66f4\u591a\u78c1\u789f\uff0c\u4e26\u70ba\u9ad8\u9700\u6c42\u7684\u61c9\u7528\u63d0\u4f9b\u66f4\u5feb\u7684\u8b80\u5beb\u901f\u5ea6\u3002<\/p>\n RAID \u6548\u80fd\u6700\u4f73\u5316<\/strong><\/h2>\n \u689d\u5e36\u5927\u5c0f\u8207\u5feb\u53d6\u8a2d\u5b9a<\/h3>\n \u900f\u904e\u8abf\u6574\u689d\u5e36\uff08stripe\uff09\u5927\u5c0f\u8207\u5feb\u53d6\u8a2d\u5b9a\uff0c\u4f60\u53ef\u4ee5\u986f\u8457\u63d0\u5347 RAID \u6548\u80fd\u3002\u689d\u5e36\u5927\u5c0f\u6c7a\u5b9a\u8cc7\u6599\u5728 RAID \u8a2d\u5b9a\u4e2d\u5982\u4f55\u5206\u6563\u5230\u5404\u9846\u78c1\u789f\u4e0a\u3002\u7576\u689d\u5e36\u5927\u5c0f\u8207\u4f60\u7684\u5178\u578b\u8cc7\u6599\u5de5\u4f5c\u8ca0\u8f09\u5339\u914d\u6642\uff0c\u8b80\u5beb\u6548\u80fd\u6703\u66f4\u4f73\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u7576\u6a94\u6848\u8f03\u5927\u6642\uff0c\u4f7f\u7528\u8f03\u5927\u7684\u689d\u5e36\u53ef\u4ee5\u7372\u5f97\u66f4\u9ad8\u7684 IOPS \u8207\u66f4\u5feb\u7684\u901f\u5ea6\uff1b\u7576\u6a94\u6848\u8f03\u5c0f\u6642\uff0c\u8f03\u5c0f\u7684\u689d\u5e36\u5927\u5c0f\u5247\u6709\u52a9\u65bc\u63d0\u5347 IOPS \u8207\u6574\u9ad4\u5132\u5b58\u6548\u80fd\u3002<\/p>\n \n \u5c0d\u4e0d\u540c\u689d\u5e36\u5927\u5c0f\u9032\u884c\u6548\u80fd\u57fa\u6e96\u6e2c\u8a66\uff0c\u4ee5\u627e\u51fa\u6700\u9069\u5408\u4f60 RAID \u9663\u5217\u7684\u8a2d\u5b9a\u3002<\/li>\n \u5728\u6a94\u6848\u7cfb\u7d71\u4e2d\u4f7f\u7528 -o noatime<\/code> \u9078\u9805\uff0c\u4ee5\u6e1b\u5c11\u78c1\u789f\u5c0b\u9053\u4e26\u63d0\u5347 I\/O \u6548\u80fd\u3002<\/li>\n \u5617\u8a66\u4f7f\u7528 -o async<\/code> \u9078\u9805\uff0c\u4ee5\u63d0\u5347\u5beb\u5165\u901f\u5ea6\u8207\u8b80\u53d6\u6548\u80fd\u3002<\/li>\n \u4f9d\u64da\u8cc7\u6599\u91cd\u8981\u6027\u9078\u64c7 RAID \u8a2d\u5b9a\uff1a\u4e0d\u90a3\u9ebc\u91cd\u8981\u7684\u8cc7\u6599\u53ef\u4ee5\u4f7f\u7528 RAID 0\uff0c\u800c\u95dc\u9375\u5de5\u4f5c\u8ca0\u8f09\u5247\u5efa\u8b70\u9078\u64c7 RAID 5 \u6216 RAID 10\u3002<\/li>\n<\/ul>\n \u5feb\u53d6\u8a2d\u5b9a\u540c\u6a23\u5c0d RAID \u6548\u80fd\u6709\u91cd\u8981\u5f71\u97ff\u3002\u555f\u7528\u5beb\u56de\u5feb\u53d6\uff08write-back cache\uff09\u53ef\u4ee5\u52a0\u5feb\u5beb\u5165\u901f\u5ea6\uff1b\u8b80\u524d\u5feb\u53d6\uff08read-ahead cache\uff09\u5247\u80fd\u63d0\u5347\u8b80\u53d6\u901f\u5ea6\u8207 IOPS\u3002\u4f60\u61c9\u76e3\u63a7\u5feb\u53d6\u4f7f\u7528\u60c5\u6cc1\uff0c\u4ee5\u907f\u514d\u74f6\u9838\u4e26\u8b93\u78c1\u789f\u7dad\u6301\u9806\u66a2\u904b\u4f5c\u3002<\/p>\n \n \ud83d\udca1 \u63d0\u793a\uff1a\u52d9\u5fc5\u4ee5\u771f\u5be6\u5de5\u4f5c\u8ca0\u8f09\u6e2c\u8a66 RAID \u8a2d\u5b9a\u3002\u6839\u64da\u6e2c\u8a66\u7d50\u679c\u8abf\u6574\u689d\u5e36\u5927\u5c0f\u8207\u5feb\u53d6\u8a2d\u5b9a\uff0c\u76f4\u5230\u4f60\u7684\u65e5\u672c\u4f3a\u670d\u5668\u5728\u8b80\u5beb\u6548\u80fd\u4e0a\u9054\u5230\u6700\u4f73\u72c0\u614b\u3002<\/p>\n<\/blockquote>\n \u97cc\u9ad4\u8207\u63a7\u5236\u5668\u66f4\u65b0<\/h3>\n \u8981\u8b93 RAID \u9577\u671f\u7dad\u6301\u9ad8\u6548\u80fd\u904b\u4f5c\uff0c\u4f60\u9700\u8981\u5b9a\u671f\u66f4\u65b0 RAID \u63a7\u5236\u5668\u97cc\u9ad4\u3002\u97cc\u9ad4\u66f4\u65b0\u901a\u5e38\u6703\u4fee\u6b63 Bug\uff0c\u4e26\u512a\u5316\u8b80\u5beb\u6548\u80fd\u3002\u7576\u4f60\u70ba RAID \u9663\u5217\u4e2d\u7684\u6240\u6709\u78c1\u789f\u66f4\u65b0\u97cc\u9ad4\u5f8c\uff0c\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207 IOPS \u5f80\u5f80\u90fd\u6703\u63d0\u5347\u3002\u8a31\u591a\u4f7f\u7528\u8005\u5728\u5347\u7d1a\u63a7\u5236\u5668\u97cc\u9ad4\u5f8c\uff0c\u90fd\u80fd\u660e\u986f\u611f\u53d7\u5230\u8b80\u53d6\u6548\u80fd\u7684\u6539\u5584\u3002<\/p>\n \n RAID \u6703\u5c07 I\/O \u5206\u6563\u5230\u591a\u9846\u78c1\u789f\u4e0a\uff0c\u5be6\u73fe\u5e73\u884c\u8655\u7406\uff0c\u5f9e\u800c\u63d0\u5347\u901f\u5ea6\u3002<\/li>\n \u66f4\u65b0\u97cc\u9ad4\u53ef\u4ee5\u63d0\u5347\u6548\u80fd\uff0c\u4e26\u8b93 RAID \u8a2d\u5b9a\u66f4\u52a0\u7a69\u5b9a\u3002<\/li>\n \u5b9a\u671f\u66f4\u65b0\u63a7\u5236\u5668\uff0c\u6709\u52a9\u65bc\u627f\u8f09\u9ad8\u4ea4\u6613\u91cf\u6d41\u91cf\uff0c\u4e26\u7dad\u6301\u8f03\u9ad8\u7684\u8b80\u5beb\u6548\u80fd\u3002<\/li>\n<\/ul>\n \u4f60\u61c9\u5c07\u97cc\u9ad4\u8207\u63a7\u5236\u5668\u66f4\u65b0\u5b89\u6392\u5728\u696d\u52d9\u96e2\u5cf0\u6642\u6bb5\uff0c\u4ee5\u964d\u4f4e\u505c\u6a5f\u98a8\u96aa\u4e26\u4fdd\u8b77\u8cc7\u6599\u5b89\u5168\u3002\u66f4\u65b0\u524d\u4e00\u5b9a\u8981\u6aa2\u67e5\u76f8\u5bb9\u6027\uff0c\u907f\u514d\u5c0d\u73fe\u6709 RAID \u8a2d\u5b9a\u9020\u6210\u5f71\u97ff\u3002<\/p>\n \ud83d\ude80 \u6301\u7e8c\u7dad\u6301 RAID \u63a7\u5236\u5668\u8207\u97cc\u9ad4\u70ba\u6700\u65b0\u7248\u672c\uff0c\u80fd\u78ba\u4fdd\u78c1\u789f\u7372\u5f97\u6700\u4f73\u8b80\u5beb\u6548\u80fd\u8207\u6700\u5927 IOPS\u3002<\/p>\n \u91dd\u5c0d\u65e5\u672c\u4f3a\u670d\u5668\u7684\u5de5\u4f5c\u8ca0\u8f09\u5ba2\u88fd\u5316<\/strong><\/h2>\n \u65e5\u672c\u5e38\u898b\u61c9\u7528\u60c5\u5883<\/h3>\n \u5728\u65e5\u672c\uff0c\u4f60\u5e38\u6703\u770b\u5230\u4f3a\u670d\u5668\u904b\u884c\u5c0d\u53ef\u9760\u6027\u8207\u5feb\u901f\u8cc7\u8a0a\u5b58\u53d6\u8981\u6c42\u5f88\u9ad8\u7684\u61c9\u7528\u3002\u8a31\u591a\u4f01\u696d\u4f7f\u7528\u8cc7\u6599\u5eab\u3001\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u8207\u96fb\u5546\u5e73\u53f0\u3002\u9019\u4e9b\u5de5\u4f5c\u8ca0\u8f09\u8981\u6c42\u4f60\u5728 RAID \u9663\u5217\u4e2d\u540c\u6642\u6700\u4f73\u5316\u901f\u5ea6\u8207\u5197\u9918\u3002\u4f60\u61c9\u9078\u64c7\u8207\u61c9\u7528\u9700\u6c42\u76f8\u5339\u914d\u7684\u78c1\u789f\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u8cc7\u6599\u5eab\u901a\u5e38\u9069\u5408\u4f7f\u7528 RAID 10\uff0c\u56e0\u70ba\u5b83\u517c\u5177\u5feb\u901f\u8b80\u5beb\u6548\u80fd\u8207\u5f37\u5927\u7684\u8cc7\u6599\u4fdd\u8b77\uff1b\u800c\u7db2\u7ad9\u4f3a\u670d\u5668\u8207\u6a94\u6848\u5132\u5b58\u7cfb\u7d71\u5247\u5e38\u63a1\u7528 RAID 5 \u6216 RAID 6\uff0c\u4ee5\u5e73\u8861\u6548\u80fd\u8207\u5197\u9918\u3002\u900f\u904e\u5c07 RAID \u7b49\u7d1a\u8207\u61c9\u7528\u9700\u6c42\u5c0d\u61c9\uff0c\u4f60\u53ef\u4ee5\u53d6\u5f97\u66f4\u597d\u7684\u6574\u9ad4\u8868\u73fe\u3002<\/p>\n \n \u8cc7\u6599\u5eab\uff1a\u5efa\u8b70\u4f7f\u7528 RAID 10\uff0c\u4ee5\u7372\u5f97\u9ad8\u8b80\u5beb\u6548\u80fd\u3002<\/li>\n \u6a94\u6848\u4f3a\u670d\u5668\uff1a\u9078\u64c7 RAID 5 \u6216 RAID 6\uff0c\u4ee5\u5728\u6548\u80fd\u8207\u8cc7\u6599\u5b89\u5168\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002<\/li>\n \u96fb\u5546\u5e73\u53f0\uff1a\u9078\u7528\u9ad8\u901f\u78c1\u789f\uff0c\u4e26\u642d\u914d\u80fd\u4fdd\u8b77\u5ba2\u6236\u8cc7\u6599\u7684 RAID \u7b49\u7d1a\u3002<\/li>\n<\/ul>\n \n \ud83d\udee0\ufe0f \u63d0\u793a\uff1a\u52d9\u5fc5\u4ee5\u771f\u5be6\u5de5\u4f5c\u8ca0\u8f09\u6e2c\u8a66\u4f60\u7684 RAID \u8a2d\u5b9a\uff0c\u4ee5\u78ba\u4fdd\u78c1\u789f\u6548\u80fd\u80fd\u5920\u767c\u63ee\u5230\u4f4d\u3002<\/p>\n<\/blockquote>\n \u6cd5\u898f\u9075\u5faa\u8207\u5728\u5730\u5316<\/h3>\n \u5728\u65e5\u672c\u5132\u5b58\u8cc7\u6599\u6642\uff0c\u4f60\u5fc5\u9808\u9075\u5b88\u56b4\u683c\u7684\u6cd5\u898f\u9075\u5faa\u8981\u6c42\u3002\u300a\u500b\u4eba\u8cc7\u8a0a\u4fdd\u8b77\u6cd5\u300b\uff08APPI\uff09\u8981\u6c42\u4f60\u8b39\u614e\u8655\u7406\u8cc7\u6599\uff0c\u4e26\u9078\u64c7\u7b26\u5408\u6cd5\u898f\u6a19\u6e96\u7684\u5132\u5b58\u65b9\u6848\u30022022 \u5e74\u5c0d APPI \u7684\u4fee\u8a02\u4f7f\u5176\u8207 GDPR \u63a5\u8ecc\uff0c\u56e0\u6b64\u5916\u570b\u4f01\u696d\u9700\u8981\u6307\u5b9a\u4ee3\u8868\u4e26\u57f7\u884c\u8cc7\u6599\u5728\u5730\u5316\u3002\u9019\u4e9b\u898f\u7bc4\u6703\u5f71\u97ff RAID \u8a2d\u5b9a\u9078\u64c7\uff0c\u4f60\u9700\u8981\u9078\u64c7\u65e2\u80fd\u5b89\u5168\u5132\u5b58\u8cc7\u6599\uff0c\u53c8\u4fbf\u65bc\u5be6\u73fe\u5728\u5730\u5316\u7684\u78c1\u789f\u8207 RAID \u7b49\u7d1a\u3002<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n \u6cd5\u898f\u8981\u6c42<\/th>\n \u5c0d RAID \u8a2d\u5b9a\u9078\u64c7\u7684\u5f71\u97ff<\/th>\n<\/tr>\n \u300a\u500b\u4eba\u8cc7\u8a0a\u4fdd\u8b77\u6cd5\u300b\uff08APPI\uff09<\/td>\n \u9700\u8981\u66f4\u8b39\u614e\u5730\u601d\u8003\u8cc7\u6599\u8655\u7406\u8207\u5132\u5b58\u65b9\u6848\uff0c\u4ee5\u517c\u9867\u5408\u898f\u6027\u8207\u6548\u80fd\u8868\u73fe\u3002<\/td>\n<\/tr>\n 2022 \u5e74 APPI \u4fee\u8a02<\/td>\n \u8207 GDPR \u63a5\u8ecc\uff0c\u8981\u6c42\u5916\u570b\u4f01\u696d\u6307\u5b9a\u4ee3\u8868\uff0c\u9032\u800c\u5f71\u97ff\u70ba\u8cc7\u6599\u5728\u5730\u5316\u9078\u64c7\u5408\u9069\u7684 RAID \u65b9\u6848\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u4f60\u61c9\u512a\u5148\u9078\u64c7\u5177\u5099\u9ad8\u5197\u9918\u8207\u5b89\u5168\u5132\u5b58\u80fd\u529b\u7684 RAID \u7b49\u7d1a\u3002\u900f\u904e\u4f7f\u7528\u93e1\u50cf\u78c1\u789f\u7b49\u65b9\u5f0f\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u6eff\u8db3\u5408\u898f\u9700\u6c42\u4e26\u4fdd\u8b77\u654f\u611f\u8cc7\u8a0a\u3002<\/p>\n \u91dd\u5c0d\u5728\u5730\u6d41\u91cf\u9032\u884c\u8abf\u6821<\/h3>\n \u4f60\u53ef\u4ee5\u6839\u64da\u65e5\u672c\u5728\u5730\u7684\u7db2\u8def\u6d41\u91cf\u7279\u6027\uff0c\u5c0d RAID \u9663\u5217\u9032\u884c\u8abf\u6821\uff0c\u4ee5\u63d0\u5347\u6574\u9ad4\u6548\u80fd\u3002\u7db2\u8def\u983b\u5bec\u6703\u5f71\u97ff\u6700\u9069\u5408\u4f60\u4f3a\u670d\u5668\u7684 RAID \u8a2d\u5b9a\u3002\u4f60\u61c9\u8abf\u6574\u5982 TXG \u903e\u6642\u6642\u9593\u7b49\u53c3\u6578\uff0c\u4ee5\u7b26\u5408\u5728\u5730\u6d41\u91cf\u9700\u6c42\u3002\u4e0b\u8868\u5217\u51fa\u4e86\u4e0d\u540c\u7db2\u8def\u901f\u5ea6\u4e0b\u5efa\u8b70\u7684 RAID \u8a2d\u5b9a\u3002<\/p>\n \n\n\n\n\n<\/colgroup>\n\n\n\n\n\n \u7db2\u8def\u901f\u5ea6<\/th>\n \u5efa\u8b70 RAID \u8a2d\u5b9a<\/th>\n TXG \u903e\u6642\u6642\u9593<\/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 \u93e1\u50cf\u6216 RAID-Z1<\/td>\n 5 \u79d2<\/td>\n<\/tr>\n 40+ Gbps<\/td>\n \u50c5\u93e1\u50cf<\/td>\n 1 \u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u4f60\u9700\u8981\u4f9d\u7167\u4f3a\u670d\u5668\u7684\u7db2\u8def\u901f\u5ea6\u9078\u64c7\u76f8\u7b26\u7684\u78c1\u789f\u8207 RAID \u7b49\u7d1a\u3002\u8f03\u77ed\u7684 TXG \u903e\u6642\u6642\u9593\u6709\u52a9\u65bc\u56e0\u61c9\u9ad8\u6d41\u91cf\uff0c\u4e26\u63d0\u5347\u8b80\u5beb\u6548\u80fd\u3002\u900f\u904e\u6301\u7e8c\u76e3\u63a7\u6d41\u91cf\u4e26\u8abf\u6574\u76f8\u95dc\u53c3\u6578\uff0c\u4f60\u53ef\u4ee5\u5c07 RAID \u8a2d\u5b9a\u6700\u4f73\u5316\u5230\u66f4\u7406\u60f3\u72c0\u614b\u3002<\/p>\n \n \ud83d\udca1 \u6ce8\u610f\uff1a\u5b9a\u671f\u6aa2\u8996 RAID \u8a2d\u5b9a\u8207\u78c1\u789f\u6548\u80fd\uff0c\u65e2\u80fd\u78ba\u4fdd\u4f3a\u670d\u5668\u7a69\u5b9a\u904b\u4f5c\uff0c\u4e5f\u6709\u52a9\u65bc\u6eff\u8db3\u5728\u5730\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<\/blockquote>\n RAID \u6548\u80fd\u76e3\u63a7<\/strong><\/h2>\n \u76e3\u63a7\u5de5\u5177<\/h3>\n \u8981\u8b93\u4f3a\u670d\u5668\u59cb\u7d42\u7dad\u6301\u5e73\u7a69\u904b\u4f5c\uff0c\u4f60\u9700\u8981\u5408\u9069\u7684\u5de5\u5177\u4f86\u8ffd\u8e64 RAID \u6548\u80fd\u3002\u8a31\u591a\u7ba1\u7406\u54e1\u6703\u4f7f\u7528 MegaRAID Storage Manager\u3001HP Array Configuration Utility\uff0c\u6216 mdadm\u3001smartmontools \u7b49\u958b\u6e90\u5de5\u5177\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5373\u6642\u76e3\u63a7 IOPS\u3001\u5ef6\u9072\u8207\u541e\u5410\u91cf\u3002\u4f60\u53ef\u4ee5\u91dd\u5c0d IOPS \u7a81\u7136\u4e0b\u964d\u6216\u5ef6\u9072\u98c6\u5347\u8a2d\u5b9a\u8b66\u793a\uff0c\u4ee5\u4fbf\u5728\u5f71\u97ff\u8cc7\u6599\u6216\u4f3a\u670d\u5668\u4e4b\u524d\u53ca\u65e9\u767c\u73fe\u554f\u984c\u3002\u6709\u4e9b\u5de5\u5177\u4e5f\u6703\u986f\u793a\u78c1\u789f\u5065\u5eb7\u72c0\u614b\u8207 RAID \u9663\u5217\u72c0\u614b\u3002\u4f60\u61c9\u6bcf\u5929\u67e5\u770b\u9019\u4e9b\u76e3\u63a7\u9762\u677f\uff0c\u78ba\u4fdd RAID \u8a2d\u5b9a\u6301\u7e8c\u7dad\u6301\u6700\u4f73\u6548\u80fd\u3002<\/p>\n \u7dad\u8b77\u5be6\u52d9<\/h3>\n \u5b9a\u671f\u7dad\u8b77\u53ef\u4ee5\u78ba\u4fdd RAID \u7cfb\u7d71\u7684\u53ef\u9760\u6027\uff0c\u4e26\u4fdd\u8b77\u8cc7\u6599\u5b8c\u6574\u6027\u3002\u4f60\u61c9\u5b9a\u671f\u6aa2\u67e5\u78c1\u789f\u5065\u5eb7\u72c0\u614b\u8207\u63a7\u5236\u5668\u72c0\u614b\u3002\u6e05\u7406\u4f3a\u670d\u5668\u5167\u7684\u7070\u5875\uff0c\u4ee5\u907f\u514d\u904e\u71b1\u5c0e\u81f4 IOPS \u4e0b\u964d\u6216\u78c1\u789f\u640d\u58de\u3002\u5c0d\u65bc\u51fa\u73fe\u6545\u969c\u5fb5\u5146\u7684\u78c1\u789f\uff0c\u61c9\u53ca\u6642\u66f4\u63db\u3002\u66f4\u65b0 RAID \u63a7\u5236\u5668\u97cc\u9ad4\u53ef\u4ee5\u63d0\u5347\u6548\u80fd\u4e26\u4fee\u6b63\u6f5b\u5728\u554f\u984c\u3002\u5b9a\u671f\u6e2c\u8a66\u5099\u4efd\uff0c\u78ba\u4fdd\u5728\u767c\u751f\u610f\u5916\u6642\u80fd\u9806\u5229\u9084\u539f\u8cc7\u6599\u3002\u4fdd\u7559\u7dad\u8b77\u64cd\u4f5c\u7d00\u9304\uff0c\u6709\u52a9\u65bc\u4f60\u8ffd\u8e64\u8b8a\u66f4\u4e26\u767c\u73fe IOPS \u6216\u6548\u80fd\u7684\u9577\u671f\u8da8\u52e2\u3002<\/p>\n \n \ud83d\udee0\ufe0f \u63d0\u793a\uff1a\u70ba IOPS \u8207\u6548\u80fd\u6307\u6a19\u8a2d\u5b9a\u81ea\u52d5\u5831\u8868\uff0c\u53ef\u4ee5\u7bc0\u7701\u6642\u9593\uff0c\u4e26\u5e6b\u52a9\u4f60\u5feb\u901f\u56de\u61c9\u6f5b\u5728\u554f\u984c\u3002<\/p>\n<\/blockquote>\n \u554f\u984c\u6392\u9664<\/h3>\n \u7576\u4f60\u767c\u73fe RAID \u6548\u80fd\u4e0b\u964d\u6642\uff0c\u9700\u8981\u4e00\u5957\u6e05\u695a\u7684\u6392\u67e5\u6d41\u7a0b\u4f86\u627e\u51fa\u539f\u56e0\u3002\u9996\u5148\u6aa2\u67e5 RAID \u63a7\u5236\u5668\u65e5\u8a8c\u4e2d\u662f\u5426\u6709\u932f\u8aa4\u8a0a\u606f\uff0c\u5176\u6b21\u6aa2\u67e5\u5be6\u9ad4\u9023\u7dda\u4ee5\u53ca\u6240\u6709\u78c1\u789f\u72c0\u614b\uff0c\u4e26\u78ba\u4fdd RAID \u63a7\u5236\u5668\u97cc\u9ad4\u70ba\u6700\u65b0\u7248\u672c\u3002\u900f\u904e\u76e3\u63a7\u6548\u80fd\u6307\u6a19\uff0c\u53ef\u4ee5\u627e\u51fa IOPS \u6216\u541e\u5410\u91cf\u7684\u74f6\u9838\u3002\u5982\u679c\u767c\u73fe\u67d0\u9846\u78c1\u789f\u660e\u986f\u8b8a\u6162\uff0c\u61c9\u5728\u5f71\u97ff\u6574\u9ad4\u4f3a\u670d\u5668\u4e4b\u524d\u5118\u5feb\u66f4\u63db\u3002\u5229\u7528\u76e3\u63a7\u5de5\u5177\u5c07\u76ee\u524d IOPS \u8207\u6b77\u53f2\u8cc7\u6599\u6bd4\u8f03\uff0c\u6709\u52a9\u65bc\u4f60\u8b58\u5225\u7570\u5e38\u6a21\u5f0f\u4e26\u5feb\u901f\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n \n \u26a1 \u5feb\u901f\u884c\u52d5\uff1a\u4e00\u65e6\u767c\u73fe IOPS \u660e\u986f\u4e0b\u964d\uff0c\u5c31\u61c9\u7acb\u5373\u5c55\u958b\u6392\u67e5\u3002\u53ca\u65e9\u8655\u7406\u80fd\u4fdd\u8b77\u8cc7\u6599\u4e26\u7dad\u6301\u4f3a\u670d\u5668\u5728\u7dda\u904b\u4f5c\u3002<\/p>\n<\/blockquote>\n \u4f60\u53ef\u4ee5\u900f\u904e\u9078\u64c7\u5408\u9069\u7684 RAID \u7b49\u7d1a\u3001\u64f4\u5145\u78c1\u789f\u7fa4\u7d44\u4ee5\u53ca\u8a2d\u5b9a\u71b1\u5099\u63f4\u78c1\u789f\uff08hot-spare\uff09\uff0c\u4f86\u81ea\u8a02\u9069\u5408\u65e5\u672c\u4f3a\u670d\u5668\u7684 RAID \u78c1\u789f\u9663\u5217\u3002\u540c\u6642\u8abf\u6574 RAID \u91cd\u65b0\u540c\u6b65\u512a\u5148\u9806\u5e8f\uff0c\u4e26\u4f7f\u7528 RAID \u78e8\u640d\u6aa2\u67e5\uff08RAID scrubbing\uff09\u4f86\u9a57\u8b49\u8cc7\u6599\u5b8c\u6574\u6027\u3002\u6bcf\u5929\u76e3\u63a7 IOPS \u8207\u6548\u80fd\u8868\u73fe\uff0c\u4f9d\u64da\u5de5\u4f5c\u8ca0\u8f09\u8207\u6cd5\u898f\u9700\u6c42\u5ba2\u88fd\u5316 RAID \u65b9\u6848\u3002\u4e0b\u8868\u986f\u793a\u4e0d\u540c RAID \u7b49\u7d1a\u5c0d\u8b80\u53d6\u901f\u5ea6\u3001\u5197\u9918\u8207\u5132\u5b58\u6548\u7387\u7684\u5f71\u97ff\u3002<\/p>\n \n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n RAID \u7b49\u7d1a<\/th>\n \u6548\u80fd<\/th>\n \u5197\u9918<\/th>\n \u5132\u5b58\u6548\u7387<\/th>\n<\/tr>\n RAID 0<\/td>\n \u9ad8<\/td>\n \u7121<\/td>\n 100%<\/td>\n<\/tr>\n RAID 1<\/td>\n \u8b80\u53d6\u8f03\u5feb<\/td>\n \u9ad8<\/td>\n \u8f03\u4f4e<\/td>\n<\/tr>\n RAID 5<\/td>\n \u826f\u597d<\/td>\n \u4e2d\u7b49<\/td>\n \u9700\u8981 3 \u9846\u4ee5\u4e0a\u78c1\u789f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \ud83d\ude80 \u4ee5 NVMe \u70ba\u57fa\u790e\u7684 RAID \u63a7\u5236\u5668\u4ee5\u53ca\u8207\u96f2\u7aef\u5e73\u53f0\u7684\u6df1\u5ea6\u6574\u5408\uff0c\u5c07\u70ba\u672a\u4f86\u7684\u5de5\u4f5c\u8ca0\u8f09\u5e36\u4f86\u66f4\u9ad8 IOPS \u8207\u66f4\u5f37\u5927\u7684\u6574\u9ad4\u6548\u80fd\u3002<\/p>\n \u5e38\u898b\u554f\u984c\uff08FAQ\uff09<\/strong><\/h2>\n \u54ea\u4e00\u7a2e RAID \u7b49\u7d1a\u53ef\u4ee5\u7372\u5f97\u6700\u5feb\u7684\u8cc7\u6599\u8b80\u53d6\u901f\u5ea6\uff1f<\/h3>\n RAID 0 \u80fd\u63d0\u4f9b\u6700\u5feb\u7684\u8cc7\u6599\u8b80\u53d6\u901f\u5ea6\u3002\u5b83\u6703\u5c07\u8cc7\u6599\u4ee5\u689d\u5e36\u5316\u65b9\u5f0f\u5206\u4f48\u5230\u591a\u9846\u78c1\u789f\u4e0a\uff0c\u56e0\u6b64\u80fd\u7372\u5f97\u6975\u9ad8\u6548\u80fd\uff0c\u4f46\u4e0d\u63d0\u4f9b\u4efb\u4f55\u8cc7\u6599\u4fdd\u8b77\u3002\u5982\u679c\u4f60\u65e2\u60f3\u8981\u901f\u5ea6\u4e5f\u60f3\u8981\u5197\u9918\uff0c\u53ef\u4ee5\u9078\u64c7 RAID 10\u3002<\/p>\n \u5982\u4f55\u5728\u65e5\u672c\u4f3a\u670d\u5668\u4e0a\u76e3\u63a7 RAID \u6548\u80fd\uff1f<\/h3>\n \u53ef\u4ee5\u4f7f\u7528 MegaRAID Storage Manager \u6216 mdadm \u7b49\u5de5\u5177\u4f86\u76e3\u63a7 RAID \u6548\u80fd\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u8ffd\u8e64\u78c1\u789f\u5065\u5eb7\u72c0\u614b\u3001IOPS \u8207\u541e\u5410\u91cf\u3002\u91dd\u5c0d\u6548\u80fd\u7a81\u7136\u4e0b\u964d\u8a2d\u5b9a\u8b66\u793a\uff0c\u4e26\u6bcf\u5929\u67e5\u770b\u76e3\u63a7\u9762\u677f\uff0c\u4ee5\u78ba\u4fdd RAID \u9663\u5217\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n \u80fd\u5426\u5728\u540c\u4e00\u500b RAID \u9663\u5217\u4e2d\u6df7\u7528 SSD \u548c HDD\uff1f<\/h3>\n \u53ef\u4ee5\u5728\u540c\u4e00\u500b RAID \u9663\u5217\u4e2d\u6df7\u7528 SSD \u548c HDD\uff0c\u4f46\u6574\u9ad4\u6548\u80fd\u6703\u4e0b\u964d\u5230\u6700\u6162\u90a3\u9846\u78c1\u789f\u7684\u6c34\u6e96\u3002\u70ba\u4e86\u7372\u5f97\u6700\u4f73\u6548\u679c\uff0c\u5efa\u8b70\u4f7f\u7528\u901f\u5ea6\u8207\u5bb9\u91cf\u76f8\u8fd1\u7684\u78c1\u789f\uff0c\u4ee5\u7dad\u6301 RAID \u8a2d\u5b9a\u7684\u6548\u7387\u3002<\/p>\n RAID \u63a7\u5236\u5668\u97cc\u9ad4\u61c9\u8a72\u591a\u4e45\u66f4\u65b0\u4e00\u6b21\uff1f<\/h3>\n \u4e00\u822c\u5efa\u8b70\u6bcf 3 \u5230 6 \u500b\u6708\u66f4\u65b0\u4e00\u6b21 RAID \u63a7\u5236\u5668\u97cc\u9ad4\u3002\u97cc\u9ad4\u66f4\u65b0\u53ef\u4ee5\u4fee\u6b63 Bug\u3001\u63d0\u5347\u6548\u80fd\u3002\u8acb\u5728\u696d\u52d9\u96e2\u5cf0\u6642\u6bb5\u5b89\u6392\u66f4\u65b0\uff0c\u4e26\u5728\u64cd\u4f5c\u524d\u78ba\u8a8d\u76f8\u5bb9\u6027\u3002<\/p>\n \u5982\u679c RAID 5 \u4e2d\u6709\u4e00\u9846\u78c1\u789f\u6545\u969c\u6703\u600e\u6a23\uff1f<\/h3>\n \u7576 RAID 5 \u4e2d\u6709\u4e00\u9846\u78c1\u789f\u6545\u969c\u6642\uff0c\u7cfb\u7d71\u53ef\u4ee5\u900f\u904e\u540c\u4f4d\u6aa2\u67e5\u8cc7\u8a0a\u91cd\u5efa\u8cc7\u6599\u3002\u4f60\u5fc5\u9808\u5118\u5feb\u66f4\u63db\u6545\u969c\u78c1\u789f\uff0c\u82e5\u5728\u91cd\u5efa\u904e\u7a0b\u4e2d\u53c8\u6709\u53e6\u4e00\u9846\u78c1\u789f\u6545\u969c\uff0c\u6240\u6709\u8cc7\u6599\u90fd\u6703\u907a\u5931\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5bc6\u5207\u76e3\u63a7 RAID \u9663\u5217\uff0c\u4ee5\u9810\u9632\u8cc7\u6599\u907a\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 […]<\/p>\n Read More…<\/a><\/p>\n","protected":false},"author":1,"featured_media":32288,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8116],"tags":[11524,11521,11522,11523,8286],"class_list":["post-32292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-japan-dedicated-server-tc","tag-raid-optimization","tag-raid-arrays","tag-data-read-speed","tag-ssd-performance","tag-japan-servers-tc"],"acf":[],"yoast_head":"\n