{"id":4663,"date":"2026-06-14T19:31:06","date_gmt":"2026-06-14T19:31:06","guid":{"rendered":"https:\/\/cloudsave.app\/?p=4663"},"modified":"2026-06-14T19:45:55","modified_gmt":"2026-06-14T19:45:55","slug":"%e7%84%a1%e8%81%b2%e7%9a%84%e6%ae%ba%e6%89%8b-%e5%a6%82%e4%bd%95%e5%9c%a8%e7%81%bd%e9%9b%a3%e7%99%bc%e7%94%9f%e5%89%8d%e6%aa%a2%e6%b8%ac%e6%90%8d%e5%a3%9e%e7%9a%84%e8%b3%87%e6%96%99%e5%ba%ab%e5%82%99","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/zh-hant\/knowledge-base\/%e7%84%a1%e8%81%b2%e7%9a%84%e6%ae%ba%e6%89%8b-%e5%a6%82%e4%bd%95%e5%9c%a8%e7%81%bd%e9%9b%a3%e7%99%bc%e7%94%9f%e5%89%8d%e6%aa%a2%e6%b8%ac%e6%90%8d%e5%a3%9e%e7%9a%84%e8%b3%87%e6%96%99%e5%ba%ab%e5%82%99\/","title":{"rendered":"\u7121\u8072\u7684\u6bba\u624b\uff1a\u5982\u4f55\u5728\u707d\u96e3\u767c\u751f\u524d\u6aa2\u6e2c\u640d\u58de\u7684\u8cc7\u6599\u5eab\u5099\u4efd"},"content":{"rendered":"<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u8207\u7db2\u7ad9\u53ef\u9760\u6027\u5de5\u7a0b\u7684\u9ad8\u98a8\u96aa\u9818\u57df\u4e2d\uff0c\u6709\u4e00\u500b\u773e\u6240\u5468\u77e5\u7684\u516c\u7406\uff1a<em>\u859b\u4e01\u683c\u7684\u5099\u4efd (Schr\u00f6dinger\u2019s Backup)<\/em>\u3002\u5728\u60a8\u5617\u8a66\u9084\u539f\u4e4b\u524d\uff0c\u4efb\u4f55\u5099\u4efd\u7684\u72c0\u614b\u90fd\u662f\u672a\u77e5\u7684\u3002\u76f4\u5230\u90a3\u4e00\u523b\uff0c\u5b83\u90fd\u8655\u65bc\u4e00\u7a2e\u65e2\u5b8c\u7f8e\u53ef\u7528\u53c8\u5b8c\u5168\u640d\u6bc0\u7684\u91cf\u5b50\u758a\u52a0\u614b\u3002<\/p>\n<p>\u5c0d\u65bc DevOps \u5de5\u7a0b\u5e2b\u548c\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1 (DBA) \u800c\u8a00\uff0c\u5728\u767c\u751f\u7dca\u6025\u4e8b\u4ef6\u6642\u767c\u73fe\u95dc\u9375\u8cc7\u6599\u5eab\u5099\u4efd\u5df2\u640d\u6bc0\uff0c\u662f\u7d42\u6975\u7684\u5669\u5922\u5834\u666f\u3002\u9019\u6703\u5c07\u4f8b\u884c\u7684\u5fa9\u539f\u64cd\u4f5c\u8f49\u8b8a\u70ba\u707d\u96e3\u6027\u7684\u8cc7\u6599\u907a\u5931\u4e8b\u4ef6\u3002\u9019\u7a2e\u8cc7\u6599\u5b8c\u6574\u6027\u7684\u300c\u96b1\u5f62\u6bba\u624b\u300d\u5f80\u5f80\u96e3\u4ee5\u5bdf\u89ba\uff0c\u56e0\u70ba\u5373\u4f7f\u5e95\u5c64\u8ca0\u8f09\u5df2\u640d\u6bc0\uff0c\u5099\u4efd\u4f5c\u696d\u901a\u5e38\u4ecd\u6703\u56de\u5831\u6210\u529f\u7684 <code>Exit Code 0<\/code>\u3002<\/p>\n<p>\u5728\u672c\u7d9c\u5408\u6307\u5357\u4e2d\uff0c\u6211\u5011\u5c07\u5256\u6790\u5099\u4efd\u640d\u6bc0\u7684\u7d50\u69cb\u3001\u63a2\u7d22\u8cc7\u6599\u5eab\u5c08\u5c6c\u7684\u9a57\u8b49\u6280\u8853\uff0c\u4e26\u793a\u7bc4\u5982\u4f55\u70ba\u751f\u7522\u74b0\u5883\u5efa\u7acb\u81ea\u52d5\u5316\u4e14\u842c\u7121\u4e00\u5931\u7684\u9084\u539f\u7ba1\u7dda\u3002<\/p>\n<h2>\u5099\u4efd\u640d\u6bc0\u7684\u7d50\u69cb<\/h2>\n<p>\u8981\u5075\u6e2c\u640d\u6bc0\uff0c\u60a8\u5fc5\u9808\u5148\u4e86\u89e3\u5b83\u662f\u5982\u4f55\u767c\u751f\u7684\u3002\u5099\u4efd\u640d\u6bc0\u901a\u5e38\u5206\u70ba\u5169\u985e\uff1a\u5be6\u9ad4\uff08\u57fa\u790e\u67b6\u69cb\u5c64\u7d1a\uff09\u8207\u908f\u8f2f\uff08\u61c9\u7528\u7a0b\u5f0f\u5c64\u7d1a\uff09\u3002<\/p>\n<h3>\u5be6\u9ad4\u640d\u6bc0<\/h3>\n<p>\u5be6\u9ad4\u640d\u6bc0\u767c\u751f\u5728\u5132\u5b58\u5a92\u9ad4\u4e0a\u7684\u5be6\u969b\u4f4d\u5143\u88ab\u66f4\u6539\u6642\u3002\u9019\u53ef\u80fd\u767c\u751f\u5728\u5f9e\u4f86\u6e90\u78c1\u789f\u8b80\u53d6\u904e\u7a0b\u4e2d\u3001\u7db2\u8def\u50b3\u8f38\u671f\u9593\uff0c\u6216\u5728\u76ee\u6a19\u5132\u5b58\u88dd\u7f6e\u4e0a\u975c\u614b\u5132\u5b58\u6642\u3002<br \/>\n*   <strong>\u4f4d\u5143\u8870\u6e1b (Bit Rot)\uff1a<\/strong>\u5132\u5b58\u5a92\u9ad4\u7684\u9010\u6f38\u9000\u5316\u53ef\u80fd\u6703\u5c0e\u81f4\u4f4d\u5143\u7121\u8072\u5730\u7ffb\u8f49\u3002<br \/>\n*   <strong>\u50b3\u8f38\u932f\u8aa4\uff1a<\/strong>\u96d6\u7136 TCP \u5177\u6709\u6821\u9a57\u548c\uff0c\u4f46\u5b83\u5011\u975e\u5e38\u8584\u5f31\uff0816 \u4f4d\u5143\uff09\u3002\u9ad8\u541e\u5410\u91cf\u74b0\u5883\u53ef\u80fd\u6703\u5728\u50b3\u8f38\u904e\u7a0b\u4e2d\u7d93\u6b77 TCP \u7121\u6cd5\u5075\u6e2c\u5230\u7684\u975c\u614b\u8cc7\u6599\u640d\u6bc0\u3002<br \/>\n*   <strong>\u5132\u5b58\u63a7\u5236\u5668\u6545\u969c\uff1a<\/strong>RAID \u63a7\u5236\u5668\u6216 SAN \u67b6\u69cb\u4e2d\u7684\u786c\u9ad4\u932f\u8aa4\u53ef\u80fd\u6703\u5728\u5411\u4f5c\u696d\u7cfb\u7d71\u56de\u5831\u6210\u529f\u6642\u5beb\u5165\u5783\u573e\u8cc7\u6599\u3002<\/p>\n<h3>\u908f\u8f2f\u640d\u6bc0<\/h3>\n<p>\u908f\u8f2f\u640d\u6bc0\u53ef\u4ee5\u8aaa\u66f4\u5371\u96aa\uff0c\u56e0\u70ba\u5099\u4efd\u6a94\u6848\u672c\u8eab\u5b8c\u597d\u7121\u640d\uff0c\u4f46\u5167\u90e8\u7684\u8cc7\u6599\u537b\u5df2\u640d\u58de\u3002<br \/>\n*   <strong>\u5783\u573e\u9032\uff0c\u5783\u573e\u51fa (GIGO)\uff1a<\/strong>\u5982\u679c\u60a8\u7684\u5373\u6642\u8cc7\u6599\u5eab\u6709\u640d\u6bc0\u7684\u7d22\u5f15\u6216\u640d\u58de\u7684\u9801\u9762\uff0c\u60a8\u7684\u5099\u4efd\u5de5\u5177\u53ef\u80fd\u6703\u5fe0\u5be6\u5730\u8907\u88fd\u8a72\u640d\u6bc0\u9801\u9762\u3002\u5099\u4efd\u4f5c\u696d\u6210\u529f\u4e86\uff0c\u4f46\u9084\u539f\u5c07\u6703\u5931\u6557\u6216\u7522\u751f\u4e00\u500b\u640d\u58de\u7684\u8cc7\u6599\u5eab\u3002<br \/>\n*   <strong>\u4ea4\u6613\u672a\u5b8c\u6210\uff1a<\/strong>\u5728\u672a\u6b63\u78ba\u51cd\u7d50\u8cc7\u6599\u5eab I\/O \u7684\u60c5\u6cc1\u4e0b\uff08\u4f8b\u5982\u5728 MySQL \u4e2d\u672a\u4f7f\u7528 <code>FLUSH TABLES WITH READ LOCK<\/code>\uff09\u9032\u884c\u6a94\u6848\u7cfb\u7d71\u5c64\u7d1a\u7684\u5feb\u7167\uff0c\u6703\u5c0e\u81f4\u9801\u9762\u640d\u58de\u548c\u7121\u6cd5\u5fa9\u539f\u7684\u72c0\u614b\u3002<\/p>\n<h2>\u4e3b\u52d5\u5075\u6e2c\uff1a\u6821\u9a57\u548c\u8207\u52a0\u5bc6\u96dc\u6e4a<\/h2>\n<p>\u9632\u79a6\u5be6\u9ad4\u640d\u6bc0\u7684\u7b2c\u4e00\u9053\u9632\u7dda\u662f\u52a0\u5bc6\u9a57\u8b49\u3002\u50c5\u4f9d\u8cf4\u6a94\u6848\u5927\u5c0f\u6216\u4fee\u6539\u65e5\u671f\u662f\u4e0d\u5920\u7684\u3002<\/p>\n<h3>\u555f\u7528\u8cc7\u6599\u5eab\u5c64\u7d1a\u7684\u6821\u9a57\u548c<\/h3>\n<p>\u73fe\u4ee3\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71 (RDBMS) \u652f\u63f4\u9801\u9762\u5c64\u7d1a\u7684\u6821\u9a57\u548c\u3002\u555f\u7528\u5f8c\uff0c\u8cc7\u6599\u5eab\u6703\u5728\u5c07\u6bcf\u500b\u9801\u9762\u5beb\u5165\u78c1\u789f\u4e4b\u524d\u8a08\u7b97\u6821\u9a57\u548c\u3002\u7576\u8b80\u53d6\u8a72\u9801\u9762\u6642\uff08\u7121\u8ad6\u662f\u900f\u904e\u67e5\u8a62\u9084\u662f\u5099\u4efd\u7a0b\u5e8f\uff09\uff0c\u90fd\u6703\u9a57\u8b49\u6821\u9a57\u548c\u3002<\/p>\n<p>\u5c0d\u65bc <strong>PostgreSQL<\/strong>\uff0c\u60a8\u53ef\u4ee5\u5728\u53e2\u96c6\u521d\u59cb\u5316\u671f\u9593\u555f\u7528\u8cc7\u6599\u6821\u9a57\u548c\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u521d\u59cb\u5316\u4e00\u500b\u5df2\u555f\u7528\u6821\u9a57\u548c\u7684\u65b0 PostgreSQL \u53e2\u96c6\ninitdb --data-checksums -D \/var\/lib\/postgresql\/data\n<\/code><\/pre>\n<p><em>\u6ce8\u610f\uff1a\u5982\u679c\u60a8\u5df2\u6709\u73fe\u6709\u7684 PostgreSQL \u53e2\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>pg_checksums<\/code> \u5de5\u5177\u96e2\u7dda\u555f\u7528\u5b83\u5011\u3002<\/em><\/p>\n<p>\u5c0d\u65bc <strong>Microsoft SQL Server<\/strong>\uff0c\u8acb\u78ba\u4fdd <code>PAGE_VERIFY<\/code> \u8a2d\u5b9a\u70ba <code>CHECKSUM<\/code>\uff08\u9019\u662f\u73fe\u4ee3\u7248\u672c\u4e2d\u7684\u9810\u8a2d\u503c\uff0c\u4f46\u5728\u820a\u7cfb\u7d71\u4e0a\u503c\u5f97\u78ba\u8a8d\uff09\uff1a<\/p>\n<pre><code class=\"language-sql\">ALTER DATABASE [ProductionDB] SET PAGE_VERIFY CHECKSUM;\nGO\n<\/code><\/pre>\n<h3>\u9a57\u8b49\u975c\u614b\u5099\u4efd<\/h3>\n<p>\u4e00\u65e6\u5099\u4efd\u5230\u9054\u60a8\u7684\u5132\u5b58\u76ee\u6a19\uff0c\u5fc5\u9808\u5c0d\u5176\u5b8c\u6574\u6027\u9032\u884c\u52a0\u5bc6\u9a57\u8b49\u3002\u50cf CloudSave \u9019\u6a23\u7684\u4f01\u696d\u7d1a\u5099\u4efd\u5e73\u53f0\u6703\u5728\u50b3\u8f38\u548c\u975c\u614b\u5132\u5b58\u671f\u9593\u81ea\u52d5\u8a08\u7b97\u4e26\u9a57\u8b49\u5099\u4efd\u5340\u584a\u7684 SHA-256 \u96dc\u6e4a\u3002\u5982\u679c\u60a8\u6b63\u5728\u7ba1\u7406\u81ea\u8a02\u6307\u4ee4\u78bc\uff0c\u5247\u5fc5\u9808\u624b\u52d5\u5be6\u4f5c\u6b64\u529f\u80fd\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u5728\u5099\u4efd\u5efa\u7acb\u5f8c\u7522\u751f SHA-256 \u96dc\u6e4a\nsha256sum prod_db_backup.tar.gz &gt; prod_db_backup.tar.gz.sha256\n\n# \u5728\u5132\u5b58\u4f3a\u670d\u5668\u4e0a\u9a57\u8b49\u96dc\u6e4a\nsha256sum -c prod_db_backup.tar.gz.sha256\n<\/code><\/pre>\n<h2>\u8cc7\u6599\u5eab\u5c08\u5c6c\u7684\u9a57\u8b49\u6280\u8853<\/h2>\n<p>\u4e0d\u540c\u7684\u8cc7\u6599\u5eab\u5f15\u64ce\u63d0\u4f9b\u539f\u751f\u5de5\u5177\u4f86\u9a57\u8b49\u5176\u5099\u4efd\u7522\u7269\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h3>PostgreSQL: <code>pg_verifybackup<\/code><\/h3>\n<p><code>pg_verifybackup<\/code> \u65bc PostgreSQL 13 \u5f15\u5165\uff0c\u5c0d\u65bc\u4f7f\u7528 <code>pg_basebackup<\/code> \u9032\u884c\u7684\u5be6\u9ad4\u5099\u4efd\u4f86\u8aaa\u662f\u4e00\u9805\u91cd\u5927\u8b8a\u9769\u3002\u5b83\u6703\u8b80\u53d6\u5099\u4efd\u671f\u9593\u7522\u751f\u7684 <code>backup_manifest<\/code> \u6a94\u6848\uff0c\u4e26\u9a57\u8b49\u6240\u6709\u6a94\u6848\u662f\u5426\u5b58\u5728\u4e14\u5176\u6821\u9a57\u548c\u76f8\u7b26\u3002<\/p>\n<pre><code class=\"language-bash\"># \u91dd\u5c0d\u5be6\u9ad4\u57fa\u790e\u5099\u4efd\u76ee\u9304\u57f7\u884c\u9a57\u8b49\npg_verifybackup \/mnt\/backups\/postgres\/base_backup_20231025\/\n<\/code><\/pre>\n<p>\u5982\u679c\u4efb\u4f55\u8cc7\u6599\u6a94\u6848\u4e2d\u6709\u4e00\u500b\u4f4d\u5143\u7ffb\u8f49\uff0c<code>pg_verifybackup<\/code> \u5c07\u6703\u62cb\u51fa\u81f4\u547d\u932f\u8aa4\uff0c\u8b93\u60a8\u7684\u76e3\u63a7\u7cfb\u7d71\u80fd\u7acb\u5373\u5411 DBA \u5718\u968a\u767c\u51fa\u8b66\u5831\u3002<\/p>\n<h3>Microsoft SQL Server: <code>RESTORE VERIFYONLY<\/code><\/h3>\n<p>SQL Server \u63d0\u4f9b\u4e86\u4e00\u500b\u539f\u751f\u6307\u4ee4\uff0c\u53ef\u5728\u4e0d\u5be6\u969b\u9084\u539f\u7684\u60c5\u6cc1\u4e0b\u9a57\u8b49\u5099\u4efd\u6a94\u6848\u7684\u5be6\u9ad4\u5b8c\u6574\u6027\u3002\u5b83\u6703\u6aa2\u67e5\u5099\u4efd\u6a19\u982d\u4e26\u9a57\u8b49\u9801\u9762\u6821\u9a57\u548c\uff08\u5982\u679c\u5099\u4efd\u671f\u9593\u5df2\u555f\u7528\uff09\u3002<\/p>\n<pre><code class=\"language-sql\">RESTORE VERIFYONLY \nFROM DISK = 'Z:BackupsProdDB_Full.bak' \nWITH CHECKSUM;\n<\/code><\/pre>\n<p><strong>\u8b66\u544a\uff1a<\/strong> <code>RESTORE VERIFYONLY<\/code> \u50c5\u78ba\u8a8d\u5099\u4efd\u6a94\u6848\u53ef\u8b80\u4e14\u5be6\u9ad4\u6821\u9a57\u548c\u76f8\u7b26\u3002\u5b83<em>\u7121\u6cd5<\/em>\u4fdd\u8b49\u908f\u8f2f\u5b8c\u6574\u6027\u3002\u82e5\u8981\u78ba\u4fdd\u908f\u8f2f\u5b8c\u6574\u6027\uff0c\u60a8\u5fc5\u9808\u57f7\u884c\u5b8c\u6574\u9084\u539f\u4e26\u57f7\u884c <code>DBCC CHECKDB<\/code>\u3002<\/p>\n<h3>MySQL \/ InnoDB: Percona XtraBackup<\/h3>\n<p>\u5c0d\u65bc MySQL \u74b0\u5883\uff0c\u5be6\u9ad4\u5099\u4efd\u901a\u5e38\u7531 Percona XtraBackup \u8655\u7406\u3002\u5099\u4efd\u904e\u7a0b\u5305\u542b\u8907\u88fd\u6a94\u6848\uff0c\u4f46\u5728\u5957\u7528\u4ea4\u6613\u8a18\u9304\uff08\u91cd\u505a\u8a18\u9304\uff09\u4e4b\u524d\uff0c\u5099\u4efd\u4e26\u4e0d\u4e00\u81f4\u3002<code>--prepare<\/code> \u968e\u6bb5\u5145\u7576\u5167\u5efa\u7684\u5b8c\u6574\u6027\u6aa2\u67e5\u3002<\/p>\n<pre><code class=\"language-bash\"># \u6e96\u5099\u5099\u4efd\u6703\u5957\u7528\u91cd\u505a\u8a18\u9304\u3002\n# \u5982\u679c\u5099\u4efd\u5df2\u640d\u6bc0\uff0c\u6b64\u6b65\u9a5f\u5c07\u6703\u5931\u6557\u3002\nxtrabackup --prepare --target-dir=\/data\/backups\/mysql\/\n<\/code><\/pre>\n<h2>\u9ec3\u91d1\u6a19\u6e96\uff1a\u81ea\u52d5\u5316\u9084\u539f\u6e2c\u8a66<\/h2>\n<p>\u6821\u9a57\u548c\u8207\u9a57\u8b49\u6307\u4ee4\u662f\u5fc5\u8981\u7684\uff0c\u4f46\u9084\u4e0d\u5920\u3002\u8b49\u660e\u5099\u4efd\u53ef\u884c\u7684\u552f\u4e00\u65b9\u6cd5\u662f\u5be6\u969b\u9084\u539f\u5b83\u3002\u5728\u73fe\u4ee3 DevOps \u74b0\u5883\u4e2d\uff0c\u6b64\u904e\u7a0b\u5fc5\u9808\u5b8c\u5168\u81ea\u52d5\u5316\u3002<\/p>\n<p>\u900f\u904e\u5c07\u5099\u4efd\u8996\u70ba\u7a0b\u5f0f\u78bc\uff0c\u60a8\u53ef\u4ee5\u70ba\u8cc7\u6599\u5eab\u9084\u539f\u5efa\u7acb CI\/CD \u7ba1\u7dda\u3002\u6b64\u7ba1\u7dda\u61c9\u914d\u7f6e\u81e8\u6642\u57fa\u790e\u67b6\u69cb\u3001\u57f7\u884c\u9084\u539f\u3001\u57f7\u884c\u9a57\u8b49\u67e5\u8a62\uff0c\u4e26\u62c6\u9664\u8a72\u74b0\u5883\u3002<\/p>\n<h3>\u5efa\u7acb\u81ea\u52d5\u5316\u9084\u539f\u7ba1\u7dda<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b Bash \u6307\u4ee4\u78bc\u7bc4\u4f8b\uff0c\u53ef\u7531 cron \u4f5c\u696d\u6216 CI \u57f7\u884c\u5668\uff08\u5982 GitLab CI \u6216 GitHub Actions\uff09\u6bcf\u65e5\u89f8\u767c\uff0c\u4ee5\u9a57\u8b49 PostgreSQL \u908f\u8f2f\u50be\u5370\u3002<\/p>\n<pre><code class=\"language-bash\">#!\/bin\/bash\nset -e\n\nBACKUP_FILE=&quot;\/mnt\/storage\/prod_db_latest.dump&quot;\nDB_NAME=&quot;prod_db&quot;\nCONTAINER_NAME=&quot;pg_restore_test&quot;\n\necho &quot;[INFO] \u958b\u59cb\u81ea\u52d5\u5316\u9084\u539f\u6e2c\u8a66...&quot;\n\n# 1. \u555f\u52d5\u4e00\u500b\u81e8\u6642\u7684 PostgreSQL \u5bb9\u5668\ndocker run --name $CONTAINER_NAME \n  -e POSTGRES_PASSWORD=testpass \n  -d postgres:15\n\n# \u7b49\u5f85 PostgreSQL \u5c31\u7dd2\necho &quot;[INFO] \u7b49\u5f85\u8cc7\u6599\u5eab\u521d\u59cb\u5316...&quot;\nuntil docker exec $CONTAINER_NAME pg_isready -U postgres; do\n  sleep 2\ndone\n\n# 2. \u5efa\u7acb\u76ee\u6a19\u8cc7\u6599\u5eab\ndocker exec $CONTAINER_NAME psql -U postgres -c &quot;CREATE DATABASE $DB_NAME;&quot;\n\n# 3. \u57f7\u884c\u9084\u539f\necho &quot;[INFO] \u6b63\u5728\u9084\u539f\u5099\u4efd...&quot;\ndocker cp $BACKUP_FILE $CONTAINER_NAME:\/tmp\/backup.dump\ndocker exec $CONTAINER_NAME pg_restore -U postgres -d $DB_NAME -1 \/tmp\/backup.dump\n\n# 4. \u57f7\u884c\u908f\u8f2f\u9a57\u8b49\u67e5\u8a62\necho &quot;[INFO] \u6b63\u5728\u57f7\u884c\u9a57\u8b49\u67e5\u8a62...&quot;\n# \u6aa2\u67e5 users \u8cc7\u6599\u8868\u662f\u5426\u6709\u8d85\u904e 10,000 \u7b46\u8a18\u9304\nUSER_COUNT=$(docker exec $CONTAINER_NAME psql -U postgres -d $DB_NAME -t -c &quot;SELECT COUNT(*) FROM users;&quot;)\n\nif [ &quot;$USER_COUNT&quot; -lt 10000 ]; then\n    echo &quot;[ERROR] \u908f\u8f2f\u9a57\u8b49\u5931\u6557\u3002\u9810\u671f &gt;10000 \u4f4d\u4f7f\u7528\u8005\uff0c\u5be6\u969b\u627e\u5230 $USER_COUNT&quot;\n    # \u5728\u6b64\u8655\u89f8\u767c PagerDuty \/ Slack \u8b66\u5831\n    exit 1\nelse\n    echo &quot;[SUCCESS] \u908f\u8f2f\u9a57\u8b49\u901a\u904e\u3002\u4f7f\u7528\u8005\u6578\u91cf: $USER_COUNT&quot;\nfi\n\n# 5. \u62c6\u9664\u81e8\u6642\u74b0\u5883\necho &quot;[INFO] \u6b63\u5728\u6e05\u7406...&quot;\ndocker rm -f $CONTAINER_NAME\n\necho &quot;[INFO] \u81ea\u52d5\u5316\u9084\u539f\u6e2c\u8a66\u6210\u529f\u5b8c\u6210\u3002&quot;\n<\/code><\/pre>\n<h3>\u60a8\u61c9\u8a72\u9a57\u8b49\u4ec0\u9ebc\uff1f<\/h3>\n<p>\u57f7\u884c\u81ea\u52d5\u5316\u9084\u539f\u6e2c\u8a66\u6642\uff0c\u4e0d\u8981\u53ea\u6aa2\u67e5\u8cc7\u6599\u5eab\u662f\u5426\u555f\u52d5\u3002\u8acb\u57f7\u884c\u61c9\u7528\u7a0b\u5f0f\u5c08\u5c6c\u7684\u9a57\u8b49\u67e5\u8a62\uff1a<br \/>\n1.  <strong>\u8cc7\u6599\u5217\u8a08\u6578\uff1a<\/strong>\u78ba\u4fdd\u6838\u5fc3\u8cc7\u6599\u8868\u5177\u6709\u9810\u671f\u7684\u8cc7\u6599\u5217\u6578\uff08\u4f8b\u5982 <code>users<\/code> \u8cc7\u6599\u8868\u4e0d\u61c9\u70ba\u7a7a\uff09\u3002<br \/>\n2.  <strong>\u8fd1\u671f\u8cc7\u6599\uff1a<\/strong>\u67e5\u8a62\u904e\u53bb 24 \u5c0f\u6642\u5167\u5efa\u7acb\u7684\u8a18\u9304\uff0c\u4ee5\u78ba\u4fdd\u5099\u4efd\u4e0d\u662f\u904e\u6642\u7684\u3002<br \/>\n3.  <strong>\u53c3\u7167\u5b8c\u6574\u6027\uff1a<\/strong>\u57f7\u884c\u6307\u4ee4\u78bc\u6aa2\u67e5\u5b64\u7acb\u7684\u5916\u9375\uff0c\u9019\u901a\u5e38\u8868\u793a\u908f\u8f2f\u640d\u6bc0\u3002<\/p>\n<h2>\u5099\u4efd\u7570\u5e38\u7684\u76e3\u63a7\u8207\u8b66\u5831<\/h2>\n<p>\u5728\u707d\u96e3\u767c\u751f\u524d\u5075\u6e2c\u640d\u6bc0\u9700\u8981\u5f37\u5927\u7684\u53ef\u89c0\u6e2c\u6027\u3002\u9664\u4e86\u4e8c\u9032\u4f4d\u7684\u6210\u529f\/\u5931\u6557\u72c0\u614b\u5916\uff0c\u60a8\u9084\u61c9\u76e3\u63a7\u5099\u4efd\u4f5c\u696d\u7684\u4e2d\u7e7c\u8cc7\u6599\u4ee5\u5075\u6e2c\u7570\u5e38\u3002<\/p>\n<h3>\u555f\u767c\u5f0f\u76e3\u63a7<\/h3>\n<p>\u5c07\u60a8\u7684\u5099\u4efd\u4e2d\u7e7c\u8cc7\u6599\u6574\u5408\u5230 Prometheus \u4e2d\uff0c\u4e26\u4f7f\u7528 Grafana \u9032\u884c\u8996\u89ba\u5316\u3002\u70ba\u4ee5\u4e0b\u555f\u767c\u5f0f\u898f\u5247\u8a2d\u5b9a\u8b66\u5831\uff1a<br \/>\n*   <strong>\u5927\u5c0f\u7a81\u7136\u4e0b\u964d\uff1a<\/strong>\u5982\u679c\u60a8\u7684\u6bcf\u65e5\u5099\u4efd\u901a\u5e38\u70ba 500GB\uff0c\u800c\u4eca\u5929\u7684\u5099\u4efd\u53ea\u6709 50MB\uff0c\u5247\u8a72\u4f5c\u696d\u53ef\u80fd\u5df2\u6210\u529f\u5b8c\u6210\uff08Exit Code 0\uff09\uff0c\u4f46\u5b83\u5f88\u53ef\u80fd\u53ea\u5099\u4efd\u4e86\u4e00\u500b\u7a7a\u67b6\u69cb\u3002<br \/>\n*   <strong>\u6301\u7e8c\u6642\u9593\u7570\u5e38\uff1a<\/strong>\u5982\u679c\u901a\u5e38\u9700\u8981 2 \u5c0f\u6642\u7684\u5099\u4efd\u5728 5 \u5206\u9418\u5167\u5b8c\u6210\uff0c\u5247\u8868\u793a\u6709\u6771\u897f\u88ab\u8df3\u904e\u4e86\u3002\u76f8\u53cd\u5730\uff0c\u5982\u679c\u9700\u8981 10 \u5c0f\u6642\uff0c\u5247\u53ef\u80fd\u5b58\u5728\u78c1\u789f I\/O \u9000\u5316\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u640d\u6bc0\u3002<br \/>\n*   <strong>WAL\/\u5c01\u5b58\u8a18\u9304\u7d2f\u7a4d\uff1a<\/strong>\u5982\u679c\u60a8\u7684\u8cc7\u6599\u5eab\u6b63\u5728\u7522\u751f\u9810\u5beb\u5f0f\u8a18\u9304 (WAL)\uff0c\u4f46\u5099\u4efd\u7cfb\u7d71\u5c01\u5b58\u5b83\u5011\u7684\u901f\u5ea6\u4e0d\u5920\u5feb\uff0c\u60a8\u5c07\u9762\u81e8\u6642\u9593\u9ede\u5fa9\u539f (PITR) \u93c8\u4e2d\u51fa\u73fe\u7f3a\u53e3\u7684\u98a8\u96aa\u3002<\/p>\n<h2>\u5be6\u4f5c\u5177\u5099\u5b8c\u6574\u6027\u6aa2\u67e5\u7684 3-2-1 \u898f\u5247<\/h2>\n<p>\u696d\u754c\u6a19\u6e96\u7684 3-2-1 \u5099\u4efd\u898f\u5247\uff083 \u4efd\u8cc7\u6599\u30012 \u7a2e\u4e0d\u540c\u5a92\u9ad4\u30011 \u4efd\u7570\u5730\u5b58\u653e\uff09\u53ea\u6709\u5728\u6240\u6709\u526f\u672c\u90fd\u7d93\u904e\u9a57\u8b49\u6642\u624d\u6709\u6548\u3002<\/p>\n<p>\u9019\u5c31\u662f\u5229\u7528\u50cf CloudSave \u9019\u6a23\u7684\u4f01\u696d\u7d1a\u89e3\u6c7a\u65b9\u6848\u80fd\u5927\u5e45\u964d\u4f4e\u71df\u904b\u958b\u92b7\u7684\u5730\u65b9\u3002CloudSave \u7121\u9700\u70ba\u6bcf\u500b\u8cc7\u6599\u5eab\u7bc0\u9ede\u7de8\u5beb\u548c\u7dad\u8b77\u8907\u96dc\u7684 bash \u6307\u4ee4\u78bc\uff0c\u800c\u662f\u76f4\u63a5\u8207\u60a8\u7684\u57fa\u790e\u67b6\u69cb\u6574\u5408\uff0c\u4ee5\u81ea\u52d5\u5316 3-2-1 \u751f\u547d\u9031\u671f\u3002\u5b83\u63d0\u4f9b\u4e0d\u53ef\u8b8a\u5132\u5b58\uff08\u9632\u6b62\u52d2\u7d22\u8edf\u9ad4\uff09\uff0c\u4e26\u5177\u5099\u5167\u5efa\u7684\u81ea\u52d5\u5316\u9084\u539f\u9a57\u8b49\u6392\u7a0b\u3002CloudSave \u53ef\u4ee5\u81ea\u52d5\u555f\u52d5\u9694\u96e2\u7684\u6c99\u76d2\u74b0\u5883\u3001\u639b\u8f09\u5099\u4efd\u3001\u57f7\u884c\u60a8\u7684\u81ea\u8a02 SQL \u9a57\u8b49\u6307\u4ee4\u78bc\uff0c\u4e26\u5c07\u5065\u5eb7\u72c0\u614b\u56de\u5831\u7d66\u60a8\u7684\u4e2d\u592e\u5100\u8868\u677f\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u640d\u6bc0\u7684\u8cc7\u6599\u5eab\u5099\u4efd\u662f\u4e00\u500b\u53ef\u80fd\u6467\u6bc0\u4f01\u696d\u7684\u96b1\u5f62\u6bba\u624b\u3002\u50c5\u50c5\u4f9d\u8cf4\u5099\u4efd\u6307\u4ee4\u78bc\u7684 <code>Exit Code 0<\/code> \u662f\u4e00\u5834\u5371\u96aa\u7684\u8ced\u535a\u3002<\/p>\n<p>\u70ba\u4e86\u771f\u6b63\u4fdd\u8b77\u60a8\u7684\u751f\u7522\u74b0\u5883\uff0c\u60a8\u5fc5\u9808\u63a1\u53d6\u7e31\u6df1\u9632\u79a6\u7b56\u7565\uff1a<br \/>\n1.  \u5728\u60a8\u7684\u8cc7\u6599\u5eab\u5f15\u64ce\u4e2d\u555f\u7528\u9801\u9762\u5c64\u7d1a\u6821\u9a57\u548c\u3002<br \/>\n2.  \u5728\u5099\u4efd\u5efa\u7acb\u5f8c\u7acb\u5373\u4f7f\u7528\u539f\u751f\u9a57\u8b49\u5de5\u5177 (<code>pg_verifybackup<\/code>, <code>RESTORE VERIFYONLY<\/code>)\u3002<br \/>\n3.  \u76e3\u63a7\u5099\u4efd\u4e2d\u7e7c\u8cc7\u6599\uff08\u5927\u5c0f\u3001\u6301\u7e8c\u6642\u9593\uff09\u4ee5\u5075\u6e2c\u555f\u767c\u5f0f\u7570\u5e38\u3002<br \/>\n4.  \u5c07\u81ea\u52d5\u5316\u3001\u81e8\u6642\u9084\u539f\u6e2c\u8a66\u5be6\u4f5c\u70ba\u60a8\u6bcf\u65e5\u71df\u904b\u7ba1\u7dda\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p>\u900f\u904e\u5f9e\u88ab\u52d5\u7684\u300c\u8a2d\u5b9a\u5f8c\u5373\u5fd8\u300d\u5099\u4efd\u5fc3\u614b\u8f49\u8b8a\u70ba\u7a4d\u6975\u7684\u300c\u6301\u7e8c\u9084\u539f\u9a57\u8b49\u300d\u6a21\u578b\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u7576\u707d\u96e3\u4e0d\u53ef\u907f\u514d\u5730\u767c\u751f\u6642\uff0c\u60a8\u7684\u8cc7\u6599\u5df2\u6e96\u5099\u5c31\u7dd2\u3001\u53ef\u9760\u4e14\u53ef\u5b8c\u5168\u5fa9\u539f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>** Discover how DevOps engineers and DBAs can detect corrupted database backups before disaster strikes. Learn advanced techniques for PostgreSQL, SQL Server, and MySQL, including automated restore testing and checksum validation.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Detect Corrupted Database Backups Before Disaster","rank_math_description":"** Discover how DevOps engineers and DBAs can detect corrupted database backups before disaster strikes. 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