{"id":208710,"date":"2025-09-29T20:49:42","date_gmt":"2025-09-29T12:49:42","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208710\/"},"modified":"2025-09-29T20:49:43","modified_gmt":"2025-09-29T12:49:43","slug":"vps-raid","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208710\/","title":{"rendered":"\u9999\u6e2fVPS RAID\u4f18\u5316\u6307\u5357\uff1a\u5feb\u901f\u63d0\u5347\u78c1\u76d8I\/O\u6027\u80fd"},"content":{"rendered":"<p>\u5728\u9762\u5bf9\u9ad8\u5e76\u53d1\u8bbf\u95ee\u3001\u6570\u636e\u5e93\u8bfb\u5199\u5bc6\u96c6\u3001\u65e5\u5fd7\u6536\u96c6\u4e0e\u5927\u6587\u4ef6\u5904\u7406\u7b49\u573a\u666f\u65f6\uff0c\u78c1\u76d8I\/O \u5f80\u5f80\u6210\u4e3a\u9999\u6e2fVPS \u6216\u7f8e\u56fdVPS \u6027\u80fd\u74f6\u9888\u3002\u91c7\u7528\u5408\u7406\u7684 RAID \u914d\u7f6e\u4e0e I\/O \u4f18\u5316\u7b56\u7565\uff0c\u80fd\u591f\u663e\u8457\u63d0\u5347\u78c1\u76d8\u541e\u5410\u4e0e\u54cd\u5e94\u901f\u5ea6\uff0c\u964d\u4f4e\u5ef6\u8fdf\uff0c\u63d0\u5347\u6574\u4f53\u670d\u52a1\u53ef\u7528\u6027\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u7cfb\u7edf\u8bb2\u89e3 RAID \u539f\u7406\u3001\u5728 VPS\/\u670d\u52a1\u5668 \u73af\u5883\u4e0b\u7684\u5e94\u7528\u573a\u666f\u3001\u4e0d\u540c RAID \u7ea7\u522b\u7684\u6027\u80fd\u4e0e\u53ef\u9760\u6027\u6743\u8861\uff0c\u4ee5\u53ca\u5728 Linux \u73af\u5883\u4e2d\u8fdb\u884c RAID \u4e0e I\/O \u4f18\u5316\u7684\u5b9e\u64cd\u5efa\u8bae\u3002<\/p>\n<h2>RAID \u57fa\u672c\u539f\u7406\u4e0e\u6027\u80fd\u6210\u672c<\/h2>\n<p>RAID\uff08Redundant Array of Independent Disks\uff09\u901a\u8fc7\u5c06\u591a\u4e2a\u7269\u7406\u78c1\u76d8\u7ec4\u5408\u4e3a\u4e00\u4e2a\u903b\u8f91\u5377\u6765\u5b9e\u73b0\u5197\u4f59\u4e0e\/\u6216\u6027\u80fd\u63d0\u5347\u3002\u5e38\u89c1 RAID \u7ea7\u522b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>RAID0\uff08\u6761\u5e26\u5316\uff09<\/strong>\uff1a\u6309\u6761\u5e26\u5206\u6563\u6570\u636e\u5230\u591a\u76d8\uff0c\u63d0\u5347\u541e\u5410\u4e0e\u5e76\u884c\u6027\uff0c\u4f46\u6ca1\u6709\u5197\u4f59\uff0c\u5355\u76d8\u5931\u6548\u5bfc\u81f4\u6570\u636e\u5168\u90e8\u4e22\u5931\uff0c\u9002\u5408\u4e34\u65f6\u7f13\u5b58\u3001\u975e\u5173\u952e\u6027\u65e5\u5fd7\u3002<\/li>\n<li><strong>RAID1\uff08\u955c\u50cf\uff09<\/strong>\uff1a\u6570\u636e\u540c\u6b65\u5230\u591a\u76d8\uff0c\u8bfb\u53d6\u53ef\u5e76\u884c\uff0c\u5199\u5165\u4e3a\u540c\u6b65\u64cd\u4f5c\uff0c\u53ef\u9760\u6027\u9ad8\u4f46\u5bb9\u91cf\u635f\u8017\u5927\uff0c\u9002\u5408\u5173\u952e\u6570\u636e\u6216\u5c0f\u89c4\u6a21\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>RAID5\/6\uff08\u5e26\u5947\u5076\u6821\u9a8c\uff09<\/strong>\uff1a\u7528\u6821\u9a8c\u5b9e\u73b0\u5197\u4f59\uff0cRAID5 \u53ef\u5bb9\u5fcd 1 \u76d8\u6545\u969c\uff0cRAID6 \u53ef\u5bb9\u5fcd 2 \u76d8\u6545\u969c\u3002\u9002\u5408\u5bb9\u91cf\u4e0e\u5197\u4f59\u517c\u987e\u7684\u573a\u666f\uff0c\u4f46\u5199\u64cd\u4f5c\u5b58\u5728\u201c\u5199\u5165\u60e9\u7f5a\u201d\uff08write penalty\uff09\uff0c\u5bf9\u5199\u5bc6\u96c6\u578b\u8d1f\u8f7d\u4e0d\u53cb\u597d\u3002<\/li>\n<li><strong>RAID10\uff08\u955c\u50cf+\u6761\u5e26\uff09<\/strong>\uff1a\u5728\u955c\u50cf\u57fa\u7840\u4e0a\u505a\u6761\u5e26\uff0c\u517c\u987e\u6027\u80fd\u4e0e\u5197\u4f59\uff0c\u5c24\u5176\u5bf9\u968f\u673a\u8bfb\u5199\u8868\u73b0\u4f18\u5f02\uff0c\u662f\u591a\u6570\u6570\u636e\u5e93\/\u865a\u62df\u5316\u4e3b\u673a\u7684\u63a8\u8350\u9009\u62e9\u3002<\/li>\n<\/ul>\n<p>\u5728 VPS \u573a\u666f\u4e2d\uff0c\u7ecf\u5e38\u9762\u4e34\u7684\u662f\u7269\u7406\u4e3b\u673a\u4e0a\u7531\u591a\u79df\u6237\u5171\u4eab\u5b58\u50a8\uff08\u6bd4\u5982\u57fa\u4e8e\u786c\u76d8\u3001SSD \u6216 NVMe\uff09\u7684\u60c5\u51b5\u3002\u82e5\u670d\u52a1\u5546\u63d0\u4f9b\u786c\u4ef6 RAID \u5361\uff08\u542b\u7535\u6c60\/\u8d85\u7ea7\u7535\u5bb9\u7684\u5199\u7f13\u5b58\uff0cBBU\/FBWC\uff09\uff0c\u5bf9\u78c1\u76d8\u6027\u80fd\u63d0\u5347\u548c\u5143\u6570\u636e\u5b89\u5168\u6709\u91cd\u5927\u5e2e\u52a9\u3002\u8f6f\u4ef6 RAID\uff08\u5982 mdadm\uff09\u5219\u7075\u6d3b\u4e14\u5e38\u7528\u4e8e\u4e91\u4e3b\u673a\u4e0e VPS \u73af\u5883\u3002<\/p>\n<h2>\u8bc4\u4f30\u4e0e\u57fa\u51c6\uff1a\u5982\u4f55\u91cf\u5316\u78c1\u76d8 I\/O<\/h2>\n<p>\u5728\u4f18\u5316\u524d\u5fc5\u987b\u5148\u91cf\u5316\u95ee\u9898\u3002\u5e38\u7528\u5de5\u5177\u4e0e\u6307\u6807\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>fio<\/strong>\uff1a\u53ef\u6a21\u62df\u968f\u673a\/\u987a\u5e8f\u3001\u8bfb\/\u5199\u3001\u4e0d\u540c block size \u4e0e\u5e76\u53d1\u961f\u5217\u6df1\u5ea6\uff08iodepth\uff09\u7684\u8d1f\u8f7d\uff0c\u8f93\u51fa IOPS\u3001\u541e\u5410\uff08MB\/s\uff09\u4e0e\u5ef6\u8fdf\uff08avg\/99th\uff09\u3002<\/li>\n<li><strong>iostat<\/strong>\u3001<strong>vmstat<\/strong>\uff1a\u89c2\u5bdf\u78c1\u76d8\u7b49\u5f85\uff08await\uff09\u3001\u5229\u7528\u7387\uff08%util\uff09\u4e0e\u961f\u5217\u957f\u5ea6\uff08avgqu-sz\uff09\u3002<\/li>\n<li><strong>hdparm\u3001smartctl<\/strong>\uff1a\u68c0\u6d4b\u8bbe\u5907\u80fd\u529b\u3001\u4f20\u8f93\u901f\u7387\u4e0e SMART \u5065\u5eb7\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>\u4e3e\u4f8b\uff1a\u5bf9\u4e00\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\uff0c\u4f60\u53ef\u4ee5\u7528 fio \u8fd0\u884c 4k \u968f\u673a\u8bfb\u5199\u6df7\u5408\uff08rw=randrw, rwmixread=70, bs=4k, iodepth=32, numjobs=4\uff09\u6765\u6a21\u62df OLTP \u8d1f\u8f7d\uff0c\u5f97\u5230 IOPS \u4e0e\u5ef6\u8fdf\u6570\u636e\uff0c\u7528\u4ee5\u6bd4\u8f83 RAID \u914d\u7f6e\u4e0e\u8c03\u53c2\u6548\u679c\u3002<\/p>\n<h2>\u78c1\u76d8\u5c42\u4e0e\u6587\u4ef6\u7cfb\u7edf\u5c42\u7684\u4f18\u5316\u7b56\u7565<\/h2>\n<h3>RAID \u9009\u62e9\u4e0e\u5199\u5165\u7b56\u7565<\/h3>\n<ul>\n<li>\u5bf9\u5199\u5bc6\u96c6\u578b\u6570\u636e\u5e93\u6216\u865a\u62df\u673a\uff0c\u4f18\u5148\u8003\u8651 <strong>RAID10<\/strong>\uff1a\u5199\u5165\u5ef6\u8fdf\u4f4e\u3001\u5e76\u884c\u6027\u597d\uff0c\u91cd\u5efa\u901f\u5ea6\u5feb\u3002<\/li>\n<li>\u5bf9\u5bb9\u91cf\u4e0e\u8bfb\u53d6\u4e3a\u4e3b\u7684\u573a\u666f\uff0c\u53ef\u9009 <strong>RAID5\/6<\/strong>\uff0c\u4f46\u8981\u6ce8\u610f\u5199\u5165\u60e9\u7f5a\uff08RAID5 \u5199\u5165\u901a\u5e38\u9700\u8981 4 \u6b21\u8bfb\u5199\u64cd\u4f5c\uff09\u3002<\/li>\n<li>\u5f00\u542f\u786c\u4ef6 RAID \u5361\u7684\u5199\u7f13\u5b58\uff08\u5982\u679c\u914d\u5907 BBU\/\u8d85\u7ea7\u7535\u5bb9\uff09\uff0c\u80fd\u591f\u663e\u8457\u63d0\u5347\u968f\u673a\u5199\u6027\u80fd\uff1b\u82e5\u6ca1\u6709\u6301\u4e45 cache\uff0c\u5219\u614e\u7528 write-back\uff0c\u4ee5\u9632\u65ad\u7535\u6570\u636e\u4e22\u5931\uff0c\u9009\u62e9 write-through \u66f4\u5b89\u5168\u3002<\/li>\n<\/ul>\n<h3>\u6587\u4ef6\u7cfb\u7edf\u4e0e\u6302\u8f7d\u9009\u9879<\/h3>\n<ul>\n<li>\u5bf9 SSD\/NVMe\uff0c\u63a8\u8350\u4f7f\u7528 <strong>XFS<\/strong> \u6216\u6700\u65b0\u7684 <strong>ext4<\/strong>\uff0cXFS \u5728\u5e76\u53d1\u5199\u5165\u548c\u5927\u6587\u4ef6\u573a\u666f\u8868\u73b0\u66f4\u597d\u3002<\/li>\n<li>\u6302\u8f7d\u9009\u9879\uff1a\u4f7f\u7528 <strong>noatime<\/strong>\uff08\u6216 relatime\uff09\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5143\u6570\u636e\u5199\u5165\uff1b\u5bf9\u4e8e ext4\uff0c\u8003\u8651\u4f7f\u7528 <strong>data=writeback<\/strong>\uff08\u6743\u8861\u5b89\u5168\u6027\uff09\u6216\u9ed8\u8ba4\u7684 journaling \u7b56\u7565\u3002<\/li>\n<li>\u4e0d\u8981\u968f\u610f\u7981\u7528\u6587\u4ef6\u7cfb\u7edf\u7684 barrier\uff08fsync\/flush\uff09\uff0c\u73b0\u4ee3\u5185\u6838\u548c SSD \u56fa\u4ef6\u901a\u5e38\u6b63\u786e\u5904\u7406\u6301\u4e45\u6027\u3002\u4ec5\u5728\u5b8c\u5168\u4e86\u89e3\u98ce\u9669\u548c\u6709\u5916\u90e8\u7535\u6e90\u4fdd\u969c\u60c5\u51b5\u4e0b\u8c03\u6574\u3002<\/li>\n<\/ul>\n<h3>I\/O \u8c03\u5ea6\u5668\u4e0e\u5185\u6838\u53c2\u6570<\/h3>\n<ul>\n<li>\u9488\u5bf9\u673a\u68b0\u76d8\uff0cCFQ\uff08\u6216\u5728\u8001\u5185\u6838\u4e2d\uff09\u53ef\u80fd\u6709\u6548\uff1b\u5bf9\u4e8e SSD\/NVMe\uff0c\u63a8\u8350\u4f7f\u7528 <strong>noop<\/strong> \u6216 <strong>mq-deadline\/kyber<\/strong> \u6765\u51cf\u5c11\u8c03\u5ea6\u5f00\u9500\u3002<\/li>\n<li>\u8c03\u6574\u961f\u5217\u6df1\u5ea6\uff08queue depth\uff09\u4e0e block layer \u591a\u961f\u5217\uff08blk-mq\uff09\u53ef\u63d0\u9ad8\u5e76\u53d1\u6027\u80fd\u3002NVMe \u81ea\u5e26\u591a\u961f\u5217\uff0c\u786e\u4fdd\u5185\u6838\u542f\u7528 blk-mq\u3002<\/li>\n<li>sysctl \u8c03\u4f18\u793a\u4f8b\uff1a\u964d\u4f4e vm.swappiness\uff08\u82e5\u5e0c\u671b\u5c11\u7528 swap\uff09\uff0c\u9002\u5f53\u589e\u52a0 vm.dirty_ratio\/dirty_background_ratio \u53ef\u5e73\u8861\u5199\u5165\u7a81\u53d1\uff0c\u4f46\u9700\u6ce8\u610f\u5185\u5b58\u5360\u7528\u3002<\/li>\n<\/ul>\n<h3>\u7f13\u5b58\u4e0e\u5e76\u53d1\u63a7\u5236<\/h3>\n<ul>\n<li>\u5408\u7406\u5229\u7528\u64cd\u4f5c\u7cfb\u7edf\u9875\u7f13\u5b58\u53ef\u4ee5\u63d0\u5347\u8bfb\u6027\u80fd\uff0c\u4f46\u5bf9\u4e8e\u5b9e\u65f6\u5199\u5bc6\u96c6\u578b\u8d1f\u8f7d\uff0c\u5fc5\u987b\u4fdd\u8bc1\u540e\u53f0\u5199 flush \u4e0d\u4f1a\u5f15\u8d77\u7a81\u53d1 I\/O \u5cf0\u503c\u3002<\/li>\n<li>\u6570\u636e\u5e93\u5c42\uff08\u5982 MySQL\/MariaDB\u3001PostgreSQL\uff09\u5e94\u8c03\u6574\u81ea\u5df1\u7684 fsync\/flush \u7b56\u7565\u4e0e\u4e8b\u52a1\u63d0\u4ea4\u9891\u7387\uff08innodb_flush_log_at_trx_commit \u7b49\uff09\uff0c\u4ee5\u517c\u987e\u6570\u636e\u5b89\u5168\u4e0e\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u76d1\u63a7\u3001\u6545\u969c\u6062\u590d\u4e0e\u7ef4\u62a4<\/h2>\n<p>\u6301\u7eed\u76d1\u63a7\u662f\u4fdd\u8bc1\u78c1\u76d8\u5b50\u7cfb\u7edf\u7a33\u5b9a\u7684\u5173\u952e\u3002\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u76d1\u63a7\u5de5\u5177\uff08Prometheus\u3001Zabbix \u7b49\uff09\u91c7\u96c6 iops\u3001latency\u3001%util\u3001rebuild \u8fdb\u5ea6\u7b49\u6307\u6807\u3002<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5 SMART \u72b6\u6001\uff0c\u63d0\u524d\u66f4\u6362\u51fa\u73b0\u574f\u9053\u6216 reallocated sector \u7684\u76d8\u3002<\/li>\n<li>\u5728\u8fdb\u884c RAID \u91cd\u5efa\u65f6\uff0c\u9650\u5236\u91cd\u5efa\u901f\u7387\uff08\u5728 mdadm \u6216\u786c\u4ef6\u63a7\u5236\u5668\u4e2d\u8bbe\u7f6e\uff09\u4ee5\u964d\u4f4e\u5bf9\u751f\u4ea7\u8d1f\u8f7d\u7684\u51b2\u51fb\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u8f6f\u4ef6 RAID vs \u786c\u4ef6 RAID vs \u4e91\u5b58\u50a8\u65b9\u6848<\/h2>\n<p><strong>\u8f6f\u4ef6 RAID\uff08mdadm\/LVM\uff09<\/strong>\uff1a\u7075\u6d3b\u3001\u6210\u672c\u4f4e\u3001\u6613\u4e8e\u8fc1\u79fb\uff0c\u9002\u5408 VPS \u4e3b\u673a\u4e0e\u4e91\u73af\u5883\u3002\u7f3a\u70b9\u662f CPU \u5360\u7528\u66f4\u9ad8\uff0c\u5728\u6781\u7aef\u8d1f\u8f7d\u4e0b\u53ef\u80fd\u6210\u4e3a\u74f6\u9888\u3002<\/p>\n<p><strong>\u786c\u4ef6 RAID\uff08\u5e26 BBU\/\u7f13\u5b58\uff09<\/strong>\uff1a\u5bf9\u5199\u6027\u80fd\u4e0e\u91cd\u5efa\u901f\u5ea6\u6709\u660e\u663e\u63d0\u5347\uff0c\u9002\u5408\u72ec\u7acb\u7269\u7406\u670d\u52a1\u5668\u4e0e\u9ad8\u6027\u80fd\u9999\u6e2f\u670d\u52a1\u5668\u3002\u7f3a\u70b9\u662f\u6210\u672c\u9ad8\u3001\u8fc1\u79fb\u96be\u5ea6\u5927\u3002<\/p>\n<p><strong>\u4e91\u5757\u5b58\u50a8\u4e0e\u5206\u5e03\u5f0f\u5b58\u50a8<\/strong>\uff1a\u67d0\u4e9b\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u901a\u8fc7\u5206\u5e03\u5f0f\u540e\u7aef\u5b9e\u73b0\u9ad8\u53ef\u7528\u4e0e\u53ef\u6269\u5c55\u6027\u80fd\uff08\u5982\u5377\u5feb\u7167\u3001\u6309\u9700\u6269\u5bb9\uff09\uff0c\u9002\u5408\u5e0c\u671b\u7b80\u5316\u7ba1\u7406\u7684\u7528\u6237\uff0c\u4f46\u53ef\u80fd\u5b58\u5728\u591a\u79df\u6237\u6296\u52a8\u4e0e\u5e26\u5bbd\u9650\u5236\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff08\u57fa\u4e8e\u5e94\u7528\u573a\u666f\uff09<\/h2>\n<ul>\n<li>\u8f7b\u91cf\u578b\u535a\u5ba2\u3001\u9759\u6001\u7ad9\u70b9\uff1a\u5bf9 I\/O \u8981\u6c42\u4e0d\u9ad8\uff0c\u53ef\u9009\u62e9\u6027\u4ef7\u6bd4\u9ad8\u7684\u9999\u6e2fVPS \u6216\u7f8e\u56fdVPS\uff0c\u5229\u7528 SSD \u63d0\u5347\u968f\u673a\u8bfb\u6027\u80fd\u3002<\/li>\n<li>\u4e2d\u5c0f\u578b\u6570\u636e\u5e93\u3001\u7f13\u5b58\u670d\u52a1\uff1a\u4f18\u5148\u9009\u62e9 RAID10 \u6216\u5177\u5907\u786c\u4ef6\u7f13\u5b58\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u6587\u4ef6\u7cfb\u7edf\u9009 XFS\uff0c\u5e76\u505a\u597d fio \u57fa\u51c6\u6d4b\u8bd5\u3002<\/li>\n<li>\u5199\u5bc6\u96c6\u578b\u4e1a\u52a1\uff08\u65e5\u5fd7\u3001\u5206\u6790\u3001\u5907\u4efd\uff09\uff1a\u8003\u8651\u4e13\u7528\u7269\u7406\u670d\u52a1\u5668\u6216\u9ad8\u6027\u80fd NVMe \u4e0e RAID10\uff0c\u914d\u7f6e\u786c\u4ef6\u5199\u7f13\u5b58\u4e0e\u826f\u597d\u76d1\u63a7\u3002<\/li>\n<li>\u8de8\u5883\u90e8\u7f72\u8003\u8651\uff1a\u82e5\u7528\u6237\u4e3b\u8981\u5728\u5317\u7f8e\u8bbf\u95ee\uff0c\u53ef\u9009\u7f8e\u56fd\u670d\u52a1\u5668 \u6216\u7f8e\u56fdVPS\uff1b\u9762\u5411\u4e9a\u592a\u7528\u6237\u5219\u4f18\u9009\u9999\u6e2fVPS\uff0c\u4ee5\u964d\u4f4e\u7f51\u7edc\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u793a\u4f8b\uff1a\u4f7f\u7528 mdadm \u4e0e fio \u8fdb\u884c\u4e00\u6b21\u4f18\u5316\u6d41\u7a0b<\/h2>\n<ul>\n<li>1) \u57fa\u51c6\u6d4b\u8bd5\uff1a\u5728\u521d\u59cb\u72b6\u6001\u4e0b\u7528 fio \u6536\u96c6 4k \u968f\u673a\u8bfb\u5199\u3001seq read\/write \u7684 IOPS\/latency\u3002<\/li>\n<li>2) \u914d\u7f6e RAID10\uff08mdadm &#8211;create \/dev\/md0 &#8211;level=10 &#8211;raid-devices=4 \/dev\/sd[b-e]\uff09\u3002<\/li>\n<li>3) \u683c\u5f0f\u5316\u5e76\u6302\u8f7d\uff08mkfs.xfs -f \/dev\/md0\uff1b\u6302\u8f7d\u65f6\u4f7f\u7528 noatime\uff09\u3002<\/li>\n<li>4) \u8c03\u6574\u8c03\u5ea6\u5668\uff08echo noop &gt; \/sys\/block\/md0\/queue\/scheduler \u6216\u6839\u636e\u8bbe\u5907\u9009\u62e9 mq-deadline\uff09\u3002<\/li>\n<li>5) \u518d\u6b21\u7528 fio \u5bf9\u6bd4\u6570\u636e\uff0c\u8bb0\u5f55\u6539\u8fdb\u5e76\u8fed\u4ee3\u8c03\u6574\uff08\u5982\u8c03\u961f\u5217\u6df1\u5ea6\u3001\u8c03\u6574\u5185\u6838 vm \u53c2\u6570\uff09\u3002<\/li>\n<\/ul>\n<p>\u4e0a\u8ff0\u6b65\u9aa4\u6f14\u793a\u4e86\u4ece\u57fa\u51c6\u3001\u914d\u7f6e\u5230\u8c03\u4f18\u7684\u95ed\u73af\u6d41\u7a0b\uff0c\u662f\u63d0\u5347 VPS \u6216\u72ec\u7acb\u670d\u52a1\u5668\u78c1\u76d8\u6027\u80fd\u7684\u5e38\u7528\u65b9\u6cd5\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u78c1\u76d8 I\/O \u4f18\u5316\u65e2\u662f\u786c\u4ef6\u9009\u578b\u7684\u95ee\u9898\uff0c\u4e5f\u662f\u8f6f\u4ef6\u8c03\u4f18\u4e0e\u67b6\u6784\u8bbe\u8ba1\u7684\u95ee\u9898\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u5bf9\u6027\u80fd\u4e0e\u53ef\u9760\u6027\u90fd\u6709\u8981\u6c42\u7684\u4e1a\u52a1\uff0c\u63a8\u8350\u4f18\u5148\u8003\u8651 <strong>RAID10<\/strong> \u4e0e SSD\/NVMe \u7ec4\u5408\uff0c\u5e76\u914d\u5408\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf\u3001I\/O \u8c03\u5ea6\u5668\u4e0e\u6570\u636e\u5e93\u5c42\u7684\u53c2\u6570\u8c03\u6574\u3002\u5bf9\u4e8e\u8de8\u5730\u57df\u90e8\u7f72\uff0c\u53ef\u6839\u636e\u8bbf\u95ee\u6e90\u9009\u62e9\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u4e13\u7528\u9999\u6e2f\u670d\u52a1\u5668\/\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u4ee5\u517c\u987e\u5ef6\u8fdf\u4e0e\u5e26\u5bbd\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u8bc4\u4f30\u6216\u51c6\u5907\u5347\u7ea7\u4f60\u7684\u4e91\u8d44\u6e90\uff0c\u4e86\u89e3\u670d\u52a1\u5546\u63d0\u4f9b\u7684\u78c1\u76d8\u7c7b\u578b\u3001RAID \u652f\u6301\u4e0e\u786c\u4ef6\u7f13\u5b58\u80fd\u529b\u975e\u5e38\u91cd\u8981\u3002\u66f4\u591a\u5173\u4e8e\u9999\u6e2f VPS \u7684\u4ea7\u54c1\u4fe1\u606f\u4e0e\u914d\u7f6e\u9009\u9879\uff0c\u53ef\u53c2\u89c1 Server.HK \u7684\u4e91\u4e3b\u673a\u9875\u9762\uff1a<a href=\"https:\/\/www.server.hk\/cloud.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.server.hk\/cloud.php<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5bf9\u9ad8\u5e76\u53d1\u4e0e\u6570\u636e\u5e93\u5bc6\u96c6\u8bfb\u5199\uff0c\u6b63\u786e\u7684 VPS RAID \u4f18\u5316 \u80fd\u628a\u78c1\u76d8I\/O\u4ece\u74f6\u9888\u53d8\u6210\u53ef\u63a7\u4f18\u52bf\u3002\u672c\u6587\u4e3a\u7ad9\u957f\u4e0e\u5f00\u53d1\u8005\u63d0\u4f9b\u4ece\u539f\u7406\u5230 Linux \u5b9e\u64cd\u7684\u5b9e\u7528\u6b65\u9aa4\uff0c\u5e2e\u4f60\u5728\u9999\u6e2fVPS\u4e0a\u5feb\u901f\u63d0\u5347\u541e\u5410\u4e0e\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4927],"tags":[987,985,988,986,983,989,984,107],"class_list":{"0":"post-208710","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4927","7":"tag-i-o-","8":"tag-linux-raid-","9":"tag-mdadm-","10":"tag-raid-","11":"tag-vps-raid-","12":"tag--i-o-","14":"tag-vps"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208710"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208710\/revisions"}],"predecessor-version":[{"id":208711,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208710\/revisions\/208711"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}