{"id":208802,"date":"2025-09-29T22:12:51","date_gmt":"2025-09-29T14:12:51","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208802\/"},"modified":"2025-09-29T22:12:52","modified_gmt":"2025-09-29T14:12:52","slug":"vps-109","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208802\/","title":{"rendered":"\u9999\u6e2fVPS\u5907\u4efd\u5fc5\u8bfb\uff1a\u989d\u5916\u5b58\u50a8\u4f18\u5316\u4e0e\u5b9e\u6218\u5efa\u8bae"},"content":{"rendered":"<p>\u5728\u9999\u6e2f\u673a\u623f\u90e8\u7f72\u7684 VPS \u65e5\u76ca\u6210\u4e3a\u7ad9\u957f\u3001\u5f00\u53d1\u8005\u548c\u4f01\u4e1a\u7684\u91cd\u8981\u57fa\u7840\u8bbe\u65bd\u3002\u65e0\u8bba\u662f\u7528\u4e8e\u7f51\u7ad9\u6258\u7ba1\u3001\u5e94\u7528\u90e8\u7f72\u8fd8\u662f\u6570\u636e\u5e93\u670d\u52a1\uff0c\u5907\u4efd\u67b6\u6784\u90fd\u662f\u4fdd\u8bc1\u4e1a\u52a1\u8fde\u7eed\u6027\u548c\u6570\u636e\u5b89\u5168\u7684\u5173\u952e\u73af\u8282\u3002\u672c\u6587\u56f4\u7ed5\u9999\u6e2f VPS \u7684\u5907\u4efd\u5b9e\u8df5\uff0c\u63d0\u4f9b\u6280\u672f\u7ec6\u8282\u3001\u5b58\u50a8\u4f18\u5316\u7b56\u7565\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u6784\u5efa\u53ef\u7528\u6027\u9ad8\u3001\u6210\u672c\u53ef\u63a7\u4e14\u6613\u4e8e\u6062\u590d\u7684\u5907\u4efd\u4f53\u7cfb\u3002<\/p>\n<h2>\u5907\u4efd\u539f\u7406\u4e0e\u57fa\u672c\u7ec4\u4ef6<\/h2>\n<p>\u5907\u4efd\u5e76\u975e\u5355\u4e00\u64cd\u4f5c\uff0c\u800c\u662f\u7531\u591a\u4e2a\u7ec4\u4ef6\u534f\u540c\u5b8c\u6210\u7684\u6d41\u7a0b\u3002\u7406\u89e3\u8fd9\u4e9b\u7ec4\u4ef6\u6709\u52a9\u4e8e\u5236\u5b9a\u5408\u7406\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u6570\u636e\u5feb\u7167\uff08Snapshots\uff09<\/strong>\uff1a\u57fa\u4e8e\u6587\u4ef6\u7cfb\u7edf\u6216\u5757\u8bbe\u5907\u7684\u77ac\u65f6\u526f\u672c\uff0c\u5e38\u89c1\u4e8e\u4e91\u5e73\u53f0\u4e0e\u865a\u62df\u5316\u73af\u5883\u3002\u5feb\u7167\u521b\u5efa\u901f\u5ea6\u5feb\uff0c\u9002\u5408\u9891\u7e41\u5907\u4efd\uff0c\u4f46\u901a\u5e38\u4e0e\u5e95\u5c42\u5b58\u50a8\u7d27\u8026\u5408\u3002<\/li>\n<li><strong>\u589e\u91cf\u4e0e\u5dee\u5f02\u5907\u4efd<\/strong>\uff1a\u907f\u514d\u6bcf\u6b21\u5168\u91cf\u4f20\u8f93\uff0c\u8282\u7701\u7f51\u7edc\u4e0e\u5b58\u50a8\u3002\u589e\u91cf\u5907\u4efd\u8bb0\u5f55\u81ea\u4e0a\u6b21\u5907\u4efd\u540e\u7684\u53d8\u66f4\uff0c\u5dee\u5f02\u5907\u4efd\u8bb0\u5f55\u81ea\u4e0a\u6b21\u5168\u91cf\u540e\u7684\u53d8\u66f4\u3002<\/li>\n<li><strong>\u955c\u50cf\u4e0e\u6587\u4ef6\u7ea7\u5907\u4efd<\/strong>\uff1a\u955c\u50cf\u5907\u4efd\uff08disk imaging\uff09\u4fdd\u7559\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u5206\u533a\u8868\uff0c\u4fbf\u4e8e\u5b8c\u6574\u6062\u590d\uff1b\u6587\u4ef6\u7ea7\u5907\u4efd\u66f4\u7075\u6d3b\uff0c\u9002\u5408\u9891\u7e41\u53d8\u66f4\u7684\u6570\u636e\u76ee\u5f55\u3002<\/li>\n<li><strong>\u590d\u5236\u4e0e\u5f02\u5730\u5907\u4efd\uff08Replication\/Offsite\uff09<\/strong>\uff1a\u5c06\u6570\u636e\u590d\u5236\u5230\u5176\u4ed6\u673a\u623f\uff08\u5982\u4ece\u9999\u6e2f\u670d\u52a1\u5668\u5230\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\uff09\u4ee5\u62b5\u5fa1\u5730\u57df\u6027\u6545\u969c\u3002<\/li>\n<li><strong>\u6821\u9a8c\u4e0e\u52a0\u5bc6<\/strong>\uff1a\u5907\u4efd\u6570\u636e\u5fc5\u987b\u5177\u5907\u5b8c\u6574\u6027\u6821\u9a8c\uff08\u5982 SHA256 \u54c8\u5e0c\uff09\u4e0e\u9759\u6001\/\u4f20\u8f93\u52a0\u5bc6\uff08\u5982 GPG\u3001AES\u3001TLS\uff09\uff0c\u9632\u6b62\u7be1\u6539\u4e0e\u6cc4\u9732\u3002<\/li>\n<\/ul>\n<h2>\u9488\u5bf9\u9999\u6e2fVPS\u7684\u989d\u5916\u5b58\u50a8\u4f18\u5316\u7b56\u7565<\/h2>\n<p>\u5728\u9999\u6e2f\u673a\u623f\uff0c\u7f51\u7edc\u5ef6\u8fdf\u8f83\u4f4e\u4f46\u5e26\u5bbd\u6210\u672c\u4e0e I\/O \u6027\u80fd\u4ecd\u9700\u4f18\u5316\u3002\u4ee5\u4e0b\u4e3a\u5b9e\u7528\u7684\u4f18\u5316\u65b9\u6cd5\uff1a<\/p>\n<h3>\u5206\u5c42\u5b58\u50a8\u4e0e\u51b7\u70ed\u6570\u636e\u5206\u79bb<\/h3>\n<p>\u5c06\u6570\u636e\u6309\u8bbf\u95ee\u9891\u7387\u5206\u4e3a\u70ed\u6570\u636e\u4e0e\u51b7\u6570\u636e\uff1a\u70ed\u6570\u636e\u4fdd\u5b58\u5728 VPS \u672c\u5730\u78c1\u76d8\u6216\u9ad8 IOPS \u7684\u4e91\u76d8\uff0c\u4ee5\u4fdd\u8bc1\u54cd\u5e94\u901f\u5ea6\uff1b\u51b7\u6570\u636e\u8fc1\u79fb\u5230\u5bb9\u91cf\u578b\u5b58\u50a8\u6216\u5bf9\u8c61\u5b58\u50a8\uff08\u4f8b\u5982 S3 \u7c7b API\uff09\u4ee5\u964d\u4f4e\u6210\u672c\u3002\u901a\u8fc7\u811a\u672c\u6216\u751f\u547d\u5468\u671f\u7b56\u7565\uff08lifecycle rules\uff09\u81ea\u52a8\u5c06\u4e45\u672a\u8bbf\u95ee\u7684\u5907\u4efd\u8f6c\u4e3a\u51b7\u5b58\u50a8\u3002<\/p>\n<h3>\u4f7f\u7528\u589e\u91cf\u5feb\u7167\u4e0e\u5199\u65f6\u590d\u5236\uff08COW\uff09\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<p>\u5728\u652f\u6301\u5feb\u7167\u7684\u865a\u62df\u5316\u5e73\u53f0\u4e0a\uff0c\u4f18\u5148\u91c7\u7528\u589e\u91cf\u5feb\u7167\u4ee5\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u3002\u6587\u4ef6\u7cfb\u7edf\u65b9\u9762\u63a8\u8350\u4f7f\u7528 <strong>Btrfs<\/strong> \u6216 <strong>ZFS<\/strong>\uff0c\u5b83\u4eec\u539f\u751f\u652f\u6301\u5199\u65f6\u590d\u5236\u3001\u6821\u9a8c\u3001\u538b\u7f29\u4e0e\u91cd\u590d\u6570\u636e\u5220\u9664\uff08dedup\uff09\u3002\u793a\u4f8b\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li>\u5728 ZFS \u4e0a\u542f\u7528\u538b\u7f29\uff1azfs set compression=lz4 pool\/dataset<\/li>\n<li>\u5b9a\u671f scrub\uff1azpool scrub pool\uff0c\u7528\u4e8e\u4fee\u590d\u9759\u9ed8\u4f4d\u7ffb\u8f6c\u7b49\u95ee\u9898<\/li>\n<\/ul>\n<h3>\u5757\u7ea7\u53bb\u91cd\u4e0e\u538b\u7f29<\/h3>\n<p>\u5bf9\u4e8e\u957f\u671f\u4fdd\u5b58\u7684\u5168\u91cf\u955c\u50cf\uff0c\u542f\u7528\u53bb\u91cd\u4e0e\u538b\u7f29\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u5360\u7528\u3002\u6ce8\u610f\u53bb\u91cd\uff08dedup\uff09\u4f1a\u6d88\u8017\u5927\u91cf\u5185\u5b58\uff0c\u9700\u6743\u8861\u8d44\u6e90\u4e0e\u6536\u76ca\u3002\u53ef\u5728\u5907\u4efd\u670d\u52a1\u5668\u4e0a\u505a\u540e\u5904\u7406\u53bb\u91cd\uff08\u5982\u4f7f\u7528 borg\u3001restic \u7b49\u652f\u6301\u538b\u7f29\u4e0e\u53bb\u91cd\u7684\u5de5\u5177\uff09\u3002<\/p>\n<h3>\u5408\u7406\u89c4\u5212 IOPS \u4e0e\u5e26\u5bbd<\/h3>\n<p>\u5907\u4efd\u7a97\u53e3\u5185\u7684\u5e76\u53d1\u5199\u5165\u4f1a\u5bf9 VPS \u7684 I\/O \u9650\u5236\u9020\u6210\u538b\u529b\u3002\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 rsync + &#8211;bwlimit \u9650\u901f\u5206\u6279\u540c\u6b65\uff0c\u907f\u514d\u5cf0\u503c\u62e5\u5835\u3002<\/li>\n<li>\u5728\u6570\u636e\u5e93\u5c42\u4f7f\u7528\u903b\u8f91\/\u7269\u7406\u5907\u4efd\uff08mysqldump\u3001Percona Xtrabackup\uff09\u7ed3\u5408\u590d\u5236\uff0c\u5c3d\u91cf\u907f\u514d\u957f\u65f6\u95f4\u9501\u8868\u3002<\/li>\n<li>\u4e3a\u5907\u4efd\u4efb\u52a1\u8bbe\u7f6e\u4f4e\u5cf0\u6267\u884c\u65f6\u95f4\uff08\u5982\u51cc\u6668\uff09\uff0c\u5e76\u4f7f\u7528 ionice\u3001nice \u964d\u4f4e\u5bf9\u4e1a\u52a1\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u5907\u4efd\u7b56\u7565\u793a\u4f8b<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u6709\u4e0d\u540c\u7684\u6062\u590d\u76ee\u6807\uff08RTO\uff1a\u6062\u590d\u65f6\u95f4\u76ee\u6807\uff0cRPO\uff1a\u53ef\u63a5\u53d7\u7684\u6570\u636e\u4e22\u5931\u91cf\uff09\u3002\u4e0b\u9762\u7ed9\u51fa\u51e0\u7c7b\u5e38\u89c1\u573a\u666f\u4e0e\u5bf9\u5e94\u7b56\u7565\u3002<\/p>\n<h3>\u5c0f\u578b\u535a\u5ba2\u6216\u9759\u6001\u7ad9\u70b9\uff08\u4f4e RTO \/ \u4f4e RPO\uff09<\/h3>\n<ul>\n<li>\u7b56\u7565\uff1a\u6bcf\u65e5\u589e\u91cf + \u6bcf\u5468\u5168\u91cf<\/li>\n<li>\u5b9e\u65bd\uff1agit + rsync \u90e8\u7f72\uff0c\u9759\u6001\u6587\u4ef6\u540c\u6b65\u5230\u5bf9\u8c61\u5b58\u50a8\uff1b\u6570\u636e\u5e93\u4f7f\u7528 mysqldump \u6bcf\u65e5\u5907\u4efd\u5e76\u4fdd\u5b58 7 \u5929\u3002<\/li>\n<\/ul>\n<h3>\u7535\u5546\u6216\u4ea4\u6613\u7c7b\u7cfb\u7edf\uff08\u4f4e RTO \/ \u8fd1\u96f6 RPO\uff09<\/h3>\n<ul>\n<li>\u7b56\u7565\uff1a\u5b9e\u65f6\u4e3b\u4ece\u5f02\u5730\u590d\u5236\uff08\u4e3b\u5e93\u5728\u9999\u6e2f\uff0c\u5907\u5e93\u5728\u7f8e\u56fd\u6216\u5176\u4ed6\u9999\u6e2f\u670d\u52a1\u5668\uff09\u3001\u6301\u7eed\u589e\u91cf\u65e5\u5fd7\u5907\u4efd\u3001\u5b9a\u671f\u5168\u91cf\u5feb\u7167\u3002<\/li>\n<li>\u5b9e\u65bd\uff1a\u4f7f\u7528 MySQL\/MariaDB\/Percona \u7684 GTID \u590d\u5236\u6216 PostgreSQL \u7684\u6d41\u590d\u5236\uff1b\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5f52\u6863\u5e76\u5f02\u5730\u4f20\u8f93\u81f3\u7f8e\u56fdVPS \u4ee5\u9632\u6b62\u673a\u623f\u7ea7\u707e\u96be\u3002<\/li>\n<\/ul>\n<h3>\u6570\u636e\u4ed3\u5e93\u4e0e\u5927\u6570\u636e\uff08\u9ad8\u5bb9\u91cf \/ \u6210\u672c\u654f\u611f\uff09<\/h3>\n<ul>\n<li>\u7b56\u7565\uff1a\u5206\u5c42\u5b58\u50a8\u3001\u5468\u671f\u6027\u51b7\u5f52\u6863\u3001\u6309\u9700\u6062\u590d<\/li>\n<li>\u5b9e\u65bd\uff1a\u5c06\u6700\u8fd1 N \u4e2a\u6708\u7684\u6570\u636e\u4fdd\u5b58\u5728\u9ad8\u6027\u80fd\u5377\uff0c\u5386\u53f2\u6570\u636e\u8f6c\u81f3\u5bf9\u8c61\u5b58\u50a8\u6216\u5f52\u6863\u5377\uff1b\u4f7f\u7528\u5206\u7247\u4e0e\u538b\u7f29\u6765\u8282\u7701\u6210\u672c\u3002<\/li>\n<\/ul>\n<h2>\u5de5\u5177\u4e0e\u81ea\u52a8\u5316\u5b9e\u8df5<\/h2>\n<p>\u9009\u62e9\u5408\u9002\u5de5\u5177\u80fd\u663e\u8457\u63d0\u5347\u5907\u4efd\u53ef\u9760\u6027\u4e0e\u53ef\u7ef4\u62a4\u6027\u3002\u5e38\u7528\u5de5\u5177\u4e0e\u7ec4\u5408\uff1a<\/p>\n<ul>\n<li><strong>rsync<\/strong>\uff1a\u6587\u4ef6\u7ea7\u589e\u91cf\u540c\u6b65\uff0c\u9002\u7528\u4e8e\u7ad9\u70b9\u6587\u4ef6\u4e0e\u9759\u6001\u5185\u5bb9\u3002<\/li>\n<li><strong>borgbackup\/restic<\/strong>\uff1a\u652f\u6301\u53bb\u91cd\u3001\u52a0\u5bc6\u548c\u589e\u91cf\u5907\u4efd\uff0c\u9002\u5408\u6587\u4ef6\u4e0e\u76ee\u5f55\u7ea7\u5907\u4efd\u3002<\/li>\n<li><strong>rclone<\/strong>\uff1a\u652f\u6301 S3\u3001FTP\u3001WebDAV \u7b49\u591a\u79cd\u540e\u7aef\uff0c\u65b9\u4fbf\u5c06\u5907\u4efd\u4e0a\u4f20\u81f3\u5bf9\u8c61\u5b58\u50a8\u6216\u4e91\u7aef\uff08\u53ef\u7528\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5f02\u5730\u5907\u4efd\uff09\u3002<\/li>\n<li><strong>Percona XtraBackup<\/strong>\uff1aMySQL\/Percona \u7684\u7269\u7406\u70ed\u5907\u5de5\u5177\uff0c\u9002\u5408\u5927\u6570\u636e\u91cf\u5728\u7ebf\u5907\u4efd\u3002<\/li>\n<li><strong>\u5feb\u7167 API<\/strong>\uff1a\u5229\u7528\u4e91\u670d\u52a1\u5546\u7684 API \u8c03\u7528\u81ea\u52a8\u521b\u5efa\u4e0e\u5220\u9664\u5feb\u7167\uff0c\u5b9e\u73b0\u5feb\u901f\u6062\u590d\u3002<\/li>\n<\/ul>\n<p>\u81ea\u52a8\u5316\u65b9\u9762\u5efa\u8bae\u4f7f\u7528 crontab \u6216 systemd timer \u5b89\u6392\u4efb\u52a1\uff0c\u642d\u914d\u76d1\u63a7\u62a5\u8b66\uff08Prometheus + Alertmanager \u6216 Zabbix\uff09\uff0c\u5f53\u5907\u4efd\u5931\u8d25\u6216\u6821\u9a8c\u4e0d\u901a\u8fc7\u65f6\u7acb\u5373\u901a\u77e5\u8fd0\u7ef4\u8d1f\u8d23\u4eba\u3002<\/p>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u672c\u5730\u5907\u4efd vs \u5f02\u5730\u5907\u4efd vs \u4e91\u5bf9\u8c61\u5b58\u50a8<\/h2>\n<p>\u4e0d\u540c\u5907\u4efd\u5b58\u653e\u4f4d\u7f6e\u5404\u6709\u4f18\u52a3\uff0c\u9009\u62e9\u9700\u8981\u57fa\u4e8e\u4e1a\u52a1\u98ce\u9669\u8bc4\u4f30\uff1a<\/p>\n<ul>\n<li><strong>\u672c\u5730\u5907\u4efd\uff08\u540c\u4e00\u9999\u6e2fVPS \u6216\u540c\u673a\u623f\uff09<\/strong>\uff1a\u6062\u590d\u901f\u5ea6\u5feb\u3001\u6210\u672c\u4f4e\uff0c\u4f46\u65e0\u6cd5\u5e94\u5bf9\u673a\u623f\u7ea7\u6545\u969c\u3002<\/li>\n<li><strong>\u5f02\u5730\u5907\u4efd\uff08\u4f8b\u5982\u590d\u5236\u5230\u7f8e\u56fdVPS\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09<\/strong>\uff1a\u6297\u707e\u80fd\u529b\u5f3a\uff0c\u53ef\u62b5\u5fa1\u533a\u57df\u6027\u505c\u7535\u6216\u7f51\u7edc\u4e2d\u65ad\uff0c\u4f46\u6d89\u53ca\u8de8\u5883\u4f20\u8f93\u5ef6\u8fdf\u4e0e\u5e26\u5bbd\u6210\u672c\u3002<\/li>\n<li><strong>\u4e91\u5bf9\u8c61\u5b58\u50a8<\/strong>\uff1a\u5f39\u6027\u6269\u5c55\u3001\u8d39\u7528\u6309\u9700\uff0c\u9002\u5408\u957f\u671f\u5f52\u6863\uff1b\u4f46\u6062\u590d\u5927\u91cf\u6570\u636e\u65f6\u53ef\u80fd\u4ea7\u751f\u9ad8\u989d egress \u8d39\u7528\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\u4e0e\u90e8\u7f72\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>\u5728\u9009\u62e9 Hong Kong VPS \u6216\u76f8\u5173\u5907\u4efd\u89e3\u51b3\u65b9\u6848\u65f6\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u8981\u70b9\uff1a<\/p>\n<ul>\n<li>\u8bc4\u4f30 IOPS \u4e0e\u78c1\u76d8\u7c7b\u578b\uff08SSD vs NVMe vs HDD\uff09\uff1a\u5907\u4efd\u7a97\u53e3\u4e0e\u6062\u590d\u901f\u5ea6\u76f4\u63a5\u53d7\u78c1\u76d8\u6027\u80fd\u5f71\u54cd\u3002<\/li>\n<li>\u5e26\u5bbd\u8ba1\u8d39\u6a21\u5f0f\u4e0e\u51fa\u53e3\u901f\u7387\uff1a\u8de8\u533a\u57df\u5907\u4efd\u4f1a\u4ea7\u751f\u6d41\u91cf\u8d39\u7528\uff0c\u957f\u65f6\u95f4\u5927\u6d41\u91cf\u540c\u6b65\u9700\u9884\u4f30\u6210\u672c\u3002<\/li>\n<li>\u5907\u4efd\u5b58\u50a8\u5197\u4f59\u7ea7\u522b\uff1aRAID \u5e76\u975e\u5907\u4efd\uff0c\u4ecd\u9700\u5f02\u5730\u526f\u672c\u3002\u4f18\u5148\u9009\u62e9\u591a\u53ef\u7528\u533a\u6216\u8de8\u673a\u623f\u590d\u5236\u3002<\/li>\n<li>\u5b89\u5168\u5408\u89c4\uff1a\u8de8\u5883\u4f20\u8f93\u6d89\u53ca\u6570\u636e\u4e3b\u6743\u4e0e\u5408\u89c4\u8981\u6c42\uff0c\u79c1\u5bc6\u6570\u636e\u9700\u505a\u597d\u4f20\u8f93\u52a0\u5bc6\u4e0e\u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n<li>\u6d4b\u8bd5\u6062\u590d\u6d41\u7a0b\uff1a\u5b9a\u671f\u8fdb\u884c\u6062\u590d\u6f14\u7ec3\uff08restore drill\uff09\uff0c\u9a8c\u8bc1\u5907\u4efd\u662f\u5426\u53ef\u7528\u4ee5\u53ca\u6062\u590d\u65f6\u95f4\u80fd\u5426\u6ee1\u8db3 SLA\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u5c0f\u8d34\u58eb\u4e0e\u811a\u672c\u793a\u4f8b\u601d\u8def<\/h2>\n<p>\u4ee5\u4e0b\u4e3a\u5e38\u89c1\u7684\u5b9e\u6218\u6280\u5de7\uff0c\u4fbf\u4e8e\u5feb\u901f\u4e0a\u624b\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 rsync + ssh key \u505a\u591a\u70b9\u589e\u91cf\u540c\u6b65\uff0c\u914d\u5408 &#8211;delete-before \u786e\u4fdd\u76ee\u6807\u4e00\u81f4\u6027\uff0c\u4f46\u8981\u5c0f\u5fc3\u8bef\u5220\u98ce\u9669\uff0c\u8bbe\u7f6e\u6a21\u62df\u6a21\u5f0f &#8211;dry-run \u9a8c\u8bc1\u3002<\/li>\n<li>\u6570\u636e\u5e93\u5907\u4efd\u5efa\u8bae\u5148\u505a\u5feb\u7167\u518d\u5907\u4efd\u5feb\u7167\uff0c\u6216\u4f7f\u7528\u70ed\u5907\u5de5\u5177\u907f\u514d\u957f\u65f6\u95f4\u9501\u8868\u3002\u4f8b\u5982\u5bf9 MySQL\uff1aFLUSH TABLES WITH READ LOCK \u2192 \u521b\u5efa LVM \u5feb\u7167 \u2192 \u89e3\u9501 \u2192 \u62f7\u8d1d\u5feb\u7167\u6570\u636e\u3002<\/li>\n<li>\u5907\u4efd\u811a\u672c\u9700\u8bb0\u5f55\u5143\u6570\u636e\uff08\u5907\u4efd\u65f6\u95f4\u3001\u6821\u9a8c\u548c\u3001\u6e90\u4e3b\u673a\u3001\u4efb\u52a1 ID\uff09\uff0c\u4fbf\u4e8e\u5ba1\u8ba1\u4e0e\u81ea\u52a8\u5316\u6e05\u7406\u3002<\/li>\n<li>\u5bf9\u5907\u4efd\u5b9e\u884c\u5206\u7ea7\u4fdd\u7559\u7b56\u7565\uff08\u4f8b\u5982\uff1a7 \u5929\u65e5\u5907\u30014 \u5468\u5468\u5907\u300112 \u4e2a\u6708\u6708\u5907\uff09\uff0c\u5e76\u81ea\u52a8\u5316\u8fc7\u671f\u6e05\u7406\u4ee5\u8282\u7ea6\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n<p><strong>\u603b\u7ed3<\/strong>\uff1a\u4e3a\u9999\u6e2f VPS \u8bbe\u8ba1\u5907\u4efd\u65b9\u6848\u65f6\uff0c\u5e94\u7efc\u5408\u8003\u8651\u6027\u80fd\u3001\u6210\u672c\u4e0e\u98ce\u9669\u5bb9\u5fcd\u5ea6\u3002\u91c7\u7528\u589e\u91cf\u5feb\u7167\u3001\u5206\u5c42\u5b58\u50a8\u4e0e\u5f02\u5730\u590d\u5236\u7684\u7ec4\u5408\uff0c\u53ef\u4ee5\u5728\u4fdd\u8bc1\u4e1a\u52a1\u8fde\u7eed\u6027\u7684\u540c\u65f6\u63a7\u5236\u8d39\u7528\u3002\u65e0\u8bba\u662f\u9999\u6e2f\u670d\u52a1\u5668\u8fd8\u662f\u5907\u4efd\u5230\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\uff0c\u5173\u952e\u662f\u5f62\u6210\u53ef\u9a8c\u8bc1\u3001\u81ea\u52a8\u5316\u5e76\u5b9a\u671f\u6f14\u7ec3\u7684\u6d41\u7a0b\u3002\u628a\u63e1\u597d RTO\/RPO\u3001\u52a0\u5bc6\u4e0e\u76d1\u63a7\uff0c\u4f1a\u8ba9\u5907\u4efd\u4f53\u7cfb\u65e2\u53ef\u9760\u53c8\u53ef\u7ef4\u62a4\u3002<\/p>\n<p>\u6b32\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2fVPS \u7684\u914d\u7f6e\u4e0e\u5b58\u50a8\u9009\u9879\uff0c\u53ef\u53c2\u8003 Server.HK \u7684\u4ea7\u54c1\u9875\u9762\uff1a<a href=\"https:\/\/www.server.hk\/cloud.php\" target=\"_blank\" rel=\"noopener noreferrer\">\u9999\u6e2fVPS \u4e0e\u4e91\u670d\u52a1\u5668\u65b9\u6848<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9999\u6e2f VPS \u5907\u4efd \u4e0d\u53ea\u662f\u5b9a\u671f\u62f7\u8d1d\u6587\u4ef6\uff0c\u800c\u662f\u4e00\u5957\u4ece\u5feb\u7167\u3001\u589e\u91cf\u5230\u5f02\u5730\u5b58\u50a8\u534f\u540c\u8fd0\u4f5c\u7684\u7cfb\u7edf\uff1b\u672c\u6587\u7528\u6613\u61c2\u7684\u6b65\u9aa4\u4e0e\u5b9e\u6218\u5efa\u8bae\uff0c\u5e2e\u4f60\u5728\u6210\u672c\u53ef\u63a7\u7684\u524d\u63d0\u4e0b\u6784\u5efa\u53ef\u9760\u4e14\u53ef\u5feb\u901f\u6062\u590d\u7684\u5907\u4efd\u4f53\u7cfb\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":[1251,1253,1257,1255,1252,1254,224,1256,1249,1250],"class_list":["post-208802","post","type-post","status-publish","format-standard","hentry","category-4927","tag-vps-","tag-1253","tag-1257","tag-1255","tag-1252","tag-1254","tag-224","tag-1256","tag--vps-","tag-vps"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208802","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=208802"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208802\/revisions"}],"predecessor-version":[{"id":208803,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208802\/revisions\/208803"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}