{"id":209050,"date":"2025-09-30T03:27:20","date_gmt":"2025-09-29T19:27:20","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209050\/"},"modified":"2025-09-30T03:27:21","modified_gmt":"2025-09-29T19:27:21","slug":"vps-167","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209050\/","title":{"rendered":"\u9999\u6e2fVPS\u4e00\u952e\u5907\u4efd\u6062\u590d\u9009\u8d2d\u6307\u5357\uff1a\u53ef\u9760\u3001\u4fbf\u6377\u4e0e\u6210\u672c\u5e73\u8861"},"content":{"rendered":"<p>\u5728\u4e91\u8ba1\u7b97\u666e\u53ca\u7684\u4eca\u5929\uff0cVPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u5df2\u6210\u4e3a\u7ad9\u957f\u3001\u4f01\u4e1a\u4e0e\u5f00\u53d1\u8005\u90e8\u7f72\u5e94\u7528\u7684\u6838\u5fc3\u57fa\u7840\u8bbe\u65bd\u3002\u5bf9\u4e8e\u9762\u5411\u534e\u8bed\u7528\u6237\u6216\u4e9a\u592a\u4e1a\u52a1\u7684\u573a\u666f\uff0c\u9999\u6e2fVPS\u4ee5\u4f4e\u5ef6\u8fdf\u3001\u5408\u89c4\u4e0e\u5e26\u5bbd\u4f18\u52bf\u5e38\u88ab\u4f18\u5148\u8003\u8651\u3002\u672c\u6587\u805a\u7126\u4e8e\u201c\u9999\u6e2fVPS\u4e00\u952e\u5907\u4efd\u6062\u590d\u201d\u8fd9\u4e00\u529f\u80fd\uff0c\u4ece\u539f\u7406\u5230\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\u8fdb\u884c\u6df1\u5165\u89e3\u6790\uff0c\u5e2e\u52a9\u4f60\u5728\u53ef\u9760\u6027\u3001\u4fbf\u6377\u6027\u4e0e\u6210\u672c\u4e4b\u95f4\u627e\u5230\u5e73\u8861\u3002<\/p>\n<h2>\u4e00\u952e\u5907\u4efd\u4e0e\u6062\u590d\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u6240\u8c13\u201c\u4e00\u952e\u5907\u4efd\u6062\u590d\u201d\uff0c\u672c\u8d28\u4e0a\u662f\u5c06\u590d\u6742\u7684\u5907\u4efd\u6d41\u7a0b\u4e0e\u6062\u590d\u6d41\u7a0b\u6807\u51c6\u5316\u3001\u81ea\u52a8\u5316\uff0c\u4f7f\u7528\u6237\u80fd\u901a\u8fc7\u7b80\u5355\u64cd\u4f5c\u5b8c\u6210\u6570\u636e\u4fdd\u62a4\u4e0e\u707e\u96be\u6062\u590d\u3002\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u5e38\u89c1\u7684\u6280\u672f\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5feb\u7167\uff08Snapshots\uff09<\/strong>\uff1a\u4f9d\u8d56\u5b58\u50a8\u5c42\uff08\u5982LVM\u3001ZFS\u3001Ceph\u6216\u4e91\u5e73\u53f0\u7684\u5757\u5b58\u50a8\u5feb\u7167\uff09\uff0c\u901a\u8fc7\u5199\u65f6\u590d\u5236\uff08COW\uff09\u8bb0\u5f55\u67d0\u4e00\u65f6\u523b\u7684\u78c1\u76d8\u72b6\u6001\u3002\u4f18\u70b9\u662f\u5feb\u901f\u4e14\u8282\u7701\u7a7a\u95f4\uff0c\u7f3a\u70b9\u662f\u957f\u671f\u4fdd\u7559\u5927\u91cf\u5feb\u7167\u4f1a\u5f71\u54cd\u6027\u80fd\u3002<\/li>\n<li><strong>\u955c\u50cf\u5907\u4efd\uff08Image-based Backup\uff09<\/strong>\uff1a\u5bf9\u6574\u4e2a\u7cfb\u7edf\u76d8\u505a\u955c\u50cf\uff08\u4f8b\u5982QCOW2\u3001raw\u955c\u50cf\u6216AMIs\uff09\uff0c\u9002\u5408\u9700\u8981\u5b8c\u6574\u6062\u590d\u7cfb\u7edf\u73af\u5883\u7684\u573a\u666f\u3002<\/li>\n<li><strong>\u6587\u4ef6\u7ea7\u540c\u6b65\/\u5907\u4efd<\/strong>\uff1a\u4f7f\u7528rsync\u3001Rclone\u6216\u5546\u4e1a\u5907\u4efd\u8f6f\u4ef6\u8fdb\u884c\u6587\u4ef6\u6216\u76ee\u5f55\u7ea7\u522b\u5907\u4efd\uff0c\u9002\u7528\u4e8e\u9891\u7e41\u53d8\u5316\u6587\u4ef6\u7684\u589e\u91cf\u5907\u4efd\u3002<\/li>\n<li><strong>\u6570\u636e\u5e93\u4e00\u81f4\u6027\u5907\u4efd<\/strong>\uff1aMySQL\u7684mysqldump\u3001Percona XtraBackup\u3001PostgreSQL\u7684pg_basebackup\u53caWAL\u5f52\u6863\uff0c\u4fdd\u8bc1\u4e1a\u52a1\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u589e\u91cf\u4e0e\u5dee\u5f02\u5907\u4efd<\/strong>\uff1a\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u4e0e\u5b58\u50a8\u6210\u672c\uff0c\u901a\u8fc7\u53ea\u5907\u4efd\u53d8\u66f4\u5757\uff08block-level increment\uff09\u6216\u53d8\u66f4\u6587\u4ef6\u5b9e\u73b0\u9ad8\u6548\u5907\u4efd\u3002<\/li>\n<\/ul>\n<h3>\u4e00\u81f4\u6027\u4e0e\u5e94\u7528\u611f\u77e5\uff08Application-aware\uff09<\/h3>\n<p>\u5bf9\u6570\u636e\u5e93\u6216\u72b6\u6001ful\u670d\u52a1\u800c\u8a00\uff0c\u5355\u7eaf\u505a\u5feb\u7167\u53ef\u80fd\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4\u3002\u5e38\u89c1\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u5728\u5907\u4efd\u524d\u901a\u8fc7\u811a\u672c\u6267\u884c\u4e1a\u52a1\u5c42\u201c\u51bb\u7ed3\u201d\u64cd\u4f5c\uff08\u4f8b\u5982MySQL FLUSH TABLES WITH READ LOCK\uff0c\u6216\u4f7f\u7528pg_start_backup\/pg_stop_backup\uff09\u3002<\/li>\n<li>\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u7ea7\u51bb\u7ed3\uff08fsfreeze\uff09\u6216\u8005\u5bb9\u5668\/\u865a\u62df\u673a\u5c42\u9762\u7684\u6302\u8d77\uff08suspend\/resume\uff09\u3002<\/li>\n<li>\u7ed3\u5408\u4e8b\u52a1\u65e5\u5fd7\uff08WAL\u3001binlog\uff09\u8fdb\u884c\u70b9-in-time\u6062\u590d\uff08PITR\uff09\uff0c\u4ee5\u7f29\u77ed\u6062\u590d\u7a97\u53e3\u5e76\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2>\u9002\u7528\u573a\u666f\u4e0e\u7b56\u7565\u9009\u62e9<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u5bf9RTO\uff08\u6062\u590d\u65f6\u95f4\u76ee\u6807\uff09\u4e0eRPO\uff08\u6062\u590d\u70b9\u76ee\u6807\uff09\u7684\u8981\u6c42\u4e0d\u540c\uff0c\u56e0\u6b64\u5907\u4efd\u7b56\u7565\u5e94\u9488\u5bf9\u6027\u9009\u62e9\uff1a<\/p>\n<ul>\n<li><strong>\u9759\u6001\u7f51\u7ad9\u6216\u6587\u6863\u5206\u53d1<\/strong>\uff1a\u6587\u4ef6\u7ea7\u5b9a\u671f\u5feb\u7167\u6216rsync\u589e\u91cf\u5373\u53ef\uff0cRTO\u53ef\u63a5\u53d7\u5206\u949f\u7ea7\u5230\u5c0f\u65f6\u7ea7\u3002<\/li>\n<li><strong>\u7535\u5546\u3001\u652f\u4ed8\u7c7b\u7cfb\u7edf<\/strong>\uff1a\u8981\u6c42\u4e25\u683c\u7684\u6570\u636e\u4e00\u81f4\u6027\u4e0e\u6700\u77edRTO\uff0c\u5efa\u8bae\u7ed3\u5408\u5b9e\u65f6\u590d\u5236\uff08\u4e3b\u4ece\u6216\u591a\u53ef\u7528\u533a\u540c\u6b65\uff09\u3001\u5468\u671f\u6027\u5168\u5907\u4e0e\u8fde\u7eed\u5f52\u6863\u65e5\u5fd7\u3002<\/li>\n<li><strong>\u5f00\u53d1\/\u6d4b\u8bd5\u73af\u5883<\/strong>\uff1a\u53ef\u4f18\u5148\u8003\u8651\u6210\u672c\u4f18\u5316\u65b9\u6848\uff0c\u5982\u8f83\u957f\u4fdd\u7559\u5468\u671f\u7684\u589e\u91cf\u5907\u4efd\u6216\u51b7\u5907\uff0c\u5feb\u901f\u6062\u590d\u4e0d\u662f\u9996\u8981\u3002<\/li>\n<li><strong>\u5bb9\u5668\u5316\u4e0e\u5fae\u670d\u52a1<\/strong>\uff1a\u5efa\u8bae\u5907\u4efd\u6301\u4e45\u5316\u5377\uff08PV\uff09\uff0c\u540c\u65f6\u4fdd\u5b58\u955c\u50cf\u7248\u672c\u4e0e\u914d\u7f6e\uff08yaml\/Helm charts\uff09\uff0c\u5b9e\u73b0\u73af\u5883\u7ea7\u6062\u590d\u3002<\/li>\n<\/ul>\n<h2>\u9999\u6e2fVPS\u4e00\u952e\u5907\u4efd\u7684\u4f18\u52bf\u4e0e\u4e0e\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u6bd4\u8f83<\/h2>\n<p>\u9009\u62e9\u9999\u6e2fVPS\u505a\u5907\u4efd\u4e0e\u6062\u590d\uff0c\u76f8\u6bd4\u9009\u5728\u7f8e\u56fdVPS\u6216\u81ea\u5efa\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u6709\u82e5\u5e72\u660e\u663e\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li><strong>\u7f51\u7edc\u5ef6\u8fdf\u4e0e\u8bbf\u95ee\u901f\u5ea6<\/strong>\uff1a\u5bf9\u4e8e\u670d\u52a1\u9762\u5411\u5927\u4e2d\u534e\u533a\u7528\u6237\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u53ef\u663e\u8457\u51cf\u5c11\u5ef6\u8fdf\uff0c\u5907\u4efd\u6062\u590d\u65f6\u7684\u5e26\u5bbd\u5229\u7528\u4e0e\u540c\u6b65\u6548\u7387\u66f4\u9ad8\u3002<\/li>\n<li><strong>\u5408\u89c4\u4e0e\u6570\u636e\u4e3b\u6743<\/strong>\uff1a\u9999\u6e2f\u7684\u6570\u636e\u6cd5\u89c4\u4e0e\u5185\u5730\u3001\u6d77\u5916\u6709\u6240\u4e0d\u540c\uff0c\u4e1a\u52a1\u65b9\u53ef\u6839\u636e\u5408\u89c4\u9700\u6c42\u9009\u62e9\u5b58\u653e\u4f4d\u7f6e\u3002<\/li>\n<li><strong>\u591a\u70b9\u5bb9\u707e<\/strong>\uff1a\u53ef\u4ee5\u5c06\u9999\u6e2fVPS\u4f5c\u4e3a\u4e3b\u7ad9\u70b9\uff0c\u540c\u65f6\u5c06\u5f02\u5730\u5907\u4efd\uff08\u4f8b\u5982\u5728\u7f8e\u56fdVPS\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u4f5c\u4e3a\u51b7\u5907\/\u70ed\u5907\uff0c\u5b9e\u73b0\u8de8\u5730\u57df\u5bb9\u707e\u3002<\/li>\n<\/ul>\n<p>\u4e0d\u8fc7\uff0c\u4e5f\u6709\u9700\u8981\u6743\u8861\u7684\u5730\u65b9\uff1a<\/p>\n<ul>\n<li>\u6210\u672c\uff1a\u8de8\u5883\u4f20\u8f93\u6216\u5728\u4e0d\u540c\u533a\u57df\u4fdd\u5b58\u591a\u5957\u5907\u4efd\u4f1a\u589e\u52a0\u6d41\u91cf\u4e0e\u5b58\u50a8\u8d39\u7528\u3002<\/li>\n<li>\u5e26\u5bbd\u4e0e\u51fa\u53e3\u9650\u5236\uff1a\u4e00\u4e9b\u9999\u6e2f\u673a\u623f\u5728\u9ad8\u5cf0\u671f\u6216\u8005\u5bf9\u5927\u6d41\u91cf\u5907\u4efd\u6709\u7b56\u7565\u9650\u5236\uff0c\u9700\u4e0e\u63d0\u4f9b\u5546\u786e\u8ba4IOPS\u4e0e\u5e26\u5bbdSLA\u3002<\/li>\n<\/ul>\n<h2>\u6280\u672f\u5b9e\u73b0\u7ec6\u8282\u4e0e\u81ea\u52a8\u5316\u5b9e\u8df5<\/h2>\n<p>\u8981\u505a\u5230\u201c\u53ef\u9760\u4e14\u4fbf\u6377\u201d\u7684\u4e00\u952e\u5907\u4efd\u6062\u590d\uff0c\u63a8\u8350\u7ed3\u5408\u4ee5\u4e0b\u6280\u672f\u5b9e\u8df5\uff1a<\/p>\n<h3>1. \u5907\u4efd\u6d41\u7a0b\u81ea\u52a8\u5316<\/h3>\n<ul>\n<li>\u4f7f\u7528Cron\u6216\u7cfb\u7edfd\u5b9a\u65f6\u89e6\u53d1\u5907\u4efd\u811a\u672c\uff0c\u811a\u672c\u5b8c\u6210\uff1a\u6570\u636e\u4e00\u81f4\u6027\u64cd\u4f5c \u2192 \u5feb\u7167\/\u955c\u50cf\u521b\u5efa \u2192 \u589e\u91cf\u4f20\u8f93 \u2192 \u5907\u4efd\u6e05\u7406\u7b56\u7565\u3002<\/li>\n<li>\u91c7\u7528\u5907\u4efd\u7ba1\u7406\u5de5\u5177\uff08BorgBackup\u3001Restic\u3001Duplicity\uff09\u5b9e\u73b0\u52a0\u5bc6\u3001\u53bb\u91cd\u548c\u589e\u91cf\u5907\u4efd\uff0c\u663e\u8457\u964d\u4f4e\u5b58\u50a8\u9700\u6c42\u4e0e\u4f20\u8f93\u91cf\u3002<\/li>\n<\/ul>\n<h3>2. \u5feb\u901f\u6062\u590d\u6f14\u7ec3\uff08Runbooks\u4e0eDR Drill\uff09<\/h3>\n<ul>\n<li>\u5b9a\u671f\u8fdb\u884c\u6062\u590d\u6f14\u7ec3\uff0c\u9a8c\u8bc1\u5907\u4efd\u53ef\u7528\u6027\u5e76\u8bb0\u5f55\u6062\u590d\u6b65\u9aa4\u3002\u81ea\u52a8\u5316\u6062\u590d\u811a\u672c\u5e94\u6db5\u76d6\u91cd\u5efa\u7f51\u7edc\u3001\u6302\u8f7d\u5757\u8bbe\u5907\u3001\u66ff\u6362DNS\u7b49\u64cd\u4f5c\u3002<\/li>\n<li>\u5bf9\u5173\u952e\u4e1a\u52a1\u5236\u5b9aRTO\/RPO SLA\uff0c\u5e76\u5728\u6f14\u7ec3\u4e2d\u6d4b\u91cf\u5b9e\u9645\u6307\u6807\uff0c\u8c03\u6574\u5907\u4efd\u9891\u7387\u4e0e\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<h3>3. \u5b89\u5168\u4e0e\u52a0\u5bc6<\/h3>\n<ul>\n<li>\u4f20\u8f93\u5c42\u4f7f\u7528TLS\/SSH\u96a7\u9053\u6216S3\u517c\u5bb9\u5bf9\u8c61\u5b58\u50a8\u7684HTTPS\uff0c\u786e\u4fdd\u5b58\u53d6\u8fc7\u7a0b\u4e0d\u88ab\u7a83\u542c\u3002<\/li>\n<li>\u5728\u9759\u6001\u5b58\u50a8\u7aef\u542f\u7528\u52a0\u5bc6\uff08KMS\u6216\u57fa\u4e8e\u5bc6\u94a5\u7684\u52a0\u5bc6\uff09\uff0c\u5e76\u59a5\u5584\u7ba1\u7406\u5bc6\u94a5\u8f6e\u6362\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>4. \u5b58\u50a8\u5c42\u9009\u62e9\u4e0e\u6210\u672c\u63a7\u5236<\/h3>\n<ul>\n<li>\u5c06\u70ed\u5907\u4efd\uff08\u6700\u8fd1\u51e0\u5929\uff09\u653e\u5728\u9ad8IOPS\u7684SSD\u6216\u5757\u5b58\u50a8\uff0c\u7528\u4e8e\u5feb\u901f\u6062\u590d\uff1b\u957f\u5468\u671f\u51b7\u5907\u653e\u5728\u5f52\u6863\u7ea7\u5bf9\u8c61\u5b58\u50a8\uff0c\u4ee5\u964d\u4f4e\u6210\u672c\u3002<\/li>\n<li>\u542f\u7528\u53bb\u91cd\u4e0e\u538b\u7f29\u80fd\u5927\u5e45\u964d\u4f4e\u957f\u5468\u671f\u5907\u4efd\u5f00\u9500\uff0c\u5c24\u5176\u5bf9\u65e5\u5fd7\u6216\u5927\u91cf\u5c0f\u6587\u4ef6\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u5728\u53ef\u9760\u6027\u3001\u4fbf\u6377\u6027\u4e0e\u6210\u672c\u4e4b\u95f4\u6743\u8861<\/h2>\n<p>\u5728\u9009\u8d2d\u9999\u6e2fVPS\u4e00\u952e\u5907\u4efd\u6062\u590d\u65b9\u6848\u65f6\uff0c\u53ef\u4ee5\u6309\u4ee5\u4e0b\u6b65\u9aa4\u8bc4\u4f30\uff1a<\/p>\n<ul>\n<li><strong>\u660e\u786eRTO\/RPO\u9700\u6c42<\/strong>\uff1a\u8fd9\u662f\u5236\u5b9a\u5907\u4efd\u9891\u7387\u4e0e\u5b58\u50a8\u7c7b\u578b\u7684\u9996\u8981\u4f9d\u636e\u3002\u82e5RTO &lt; 30 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