{"id":30662,"date":"2026-05-05T10:00:00","date_gmt":"2026-05-05T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=30662"},"modified":"2026-05-16T18:12:09","modified_gmt":"2026-05-16T10:12:09","slug":"wordpress-db-backup-offsite-sync","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/wordpress\/wordpress-db-backup-offsite-sync\/","title":{"rendered":"WordPress \u6570\u636e\u5e93\u5b9a\u65f6\u5907\u4efd\u811a\u672c\u4e0e\u5f02\u5730\u540c\u6b65\u65b9\u6848"},"content":{"rendered":"<p><img decoding=\"async\" alt=\"WordPress \u6570\u636e\u5e93\u5b9a\u65f6\u5907\u4efd\u4e0e\u5f02\u5730\u540c\u6b65\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-db-backup-offsite-sync-cover.webp\" \/><\/p>\n<p>\u5f88\u591a\u7ad9\u957f\u76f4\u5230\u7b2c\u4e00\u6b21\u88ab\u63d2\u4ef6\u51b2\u7a81\u5f04\u5d29\u3001\u6216\u8005\u4e3b\u673a\u78c1\u76d8\u6545\u969c\u4e4b\u540e\uff0c\u624d\u610f\u8bc6\u5230\u300c\u6211\u6709\u5907\u4efd\u300d\u548c\u300c\u6211\u80fd\u6062\u590d\u300d\u662f\u4e24\u4ef6\u5b8c\u5168\u4e0d\u540c\u7684\u4e8b\u3002\u5982\u4f55\u4e3a WordPress \u7ad9\u70b9\u642d\u4e00\u5957\u771f\u6b63\u80fd\u6551\u547d\u7684\u6570\u636e\u5e93\u5b9a\u65f6\u5907\u4efd\u811a\u672c\uff1f\u53c8\u8be5\u5982\u4f55\u628a\u8fd9\u4efd\u5907\u4efd\u9001\u5230\u5f02\u5730\uff0c\u907f\u514d\u5355\u70b9\u6545\u969c\uff1f\u8fd9\u7bc7\u6307\u5357\u6559\u4f60\u4ece\u96f6\u5f00\u59cb\u628a\u811a\u672c\u3001\u4efb\u52a1\u8ba1\u5212\u3001\u5f02\u5730\u540c\u6b65\u4e0e\u6062\u590d\u6f14\u7ec3\u4e32\u8d77\u6765\uff0c\u89e3\u51b3\u4e1a\u52a1\u8fde\u7eed\u6027\u6700\u5173\u952e\u7684\u4e00\u73af\uff0c\u5e2e\u52a9\u4f60\u5728\u4e8b\u6545\u53d1\u751f\u65f6\u628a\u635f\u5931\u538b\u5230\u6700\u5c0f\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48 WordPress \u9700\u8981\u4e00\u5957\u72ec\u7acb\u7684\u6570\u636e\u5e93\u5907\u4efd\u811a\u672c<\/h2>\n<p>\u4e3b\u673a\u9762\u677f\u81ea\u5e26\u7684\u5907\u4efd\u901a\u5e38\u4ee5\u300c\u6574\u7ad9\u6253\u5305\u300d\u4e3a\u7c92\u5ea6\uff0c\u6062\u590d\u4e00\u4e2a\u6587\u7ae0\u7248\u672c\u5374\u8981\u628a\u4e0a\u4f20\u76ee\u5f55\u548c\u63d2\u4ef6\u5168\u90e8\u56de\u6eda\uff0c\u4ee3\u4ef7\u8fc7\u5927\u3002WordPress \u7684\u6838\u5fc3\u6570\u636e\uff08\u6587\u7ae0\u3001\u8bc4\u8bba\u3001\u7528\u6237\u3001\u914d\u7f6e\uff09\u90fd\u5728 MySQL\/MariaDB \u6570\u636e\u5e93\u91cc\uff0c\u5355\u72ec\u628a\u8fd9\u90e8\u5206\u62ce\u51fa\u6765\u6309\u66f4\u9ad8\u9891\u7387\u5907\u4efd\uff0c\u624d\u80fd\u5728\u300c\u8bef\u5220\u4e00\u7bc7\u6587\u7ae0\u300d\u300c\u63d2\u4ef6\u5199\u574f options \u8868\u300d\u8fd9\u7c7b\u573a\u666f\u4e0b\u5feb\u901f\u6b62\u635f\u3002<\/p>\n<p>\u6570\u636e\u5e93\u72ec\u7acb\u5907\u4efd\u76f8\u5bf9\u6587\u4ef6\u5907\u4efd\u8fd8\u6709\u51e0\u4e2a\u660e\u663e\u4f18\u52bf\uff1a\u5355\u6b21\u4f53\u79ef\u53ea\u6709\u51e0\u5341 MB \u5230\u51e0\u767e MB\uff0c\u4f20\u8f93\u4e0e\u4fdd\u7559\u6210\u672c\u4f4e\uff1b\u53ef\u4ee5\u505a\u5c0f\u65f6\u7ea7\u751a\u81f3 15 \u5206\u949f\u7ea7\u7684\u9ad8\u9891\u589e\u91cf\uff1b\u5bb9\u6613\u52a0\u5bc6\u5e76\u5206\u53d1\u5230\u5f02\u5730\uff1b\u6062\u590d\u901f\u5ea6\u5feb\uff0c\u5355\u6761 mysql \u547d\u4ee4\u5c31\u80fd\u56de\u704c\uff1b\u4e0e\u6587\u4ef6\u5907\u4efd\u89e3\u8026\u540e\u8fd8\u53ef\u4ee5\u5206\u522b\u8bbe\u8ba1\u4fdd\u7559\u7b56\u7565\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u7ad9\u70b9\u8fd8\u5728<a href=\"https:\/\/cn.hostease.com\/web-hosting\/\">\u5171\u4eab\u4e3b\u673a<\/a>\u4e0a\uff0c\u53ef\u4ee5\u5148\u9605\u8bfb\u8fd9\u4efd <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-hk-hosting-guide\/\">WordPress \u9999\u6e2f\u4e3b\u673a\u9009\u8d2d\u6307\u5357<\/a> \u8bc4\u4f30\u5347\u7ea7\u5230 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a> \u7684\u65f6\u673a\uff1a\u811a\u672c\u5316\u5907\u4efd\u9700\u8981 shell \u4e0e cron \u6743\u9650\uff0c\u591a\u6570\u5171\u4eab\u4e3b\u673a\u4e0d\u5f00\u653e\u5b8c\u6574\u7684 SSH\u3002<\/p>\n<h2>\u811a\u672c\u6838\u5fc3\uff1amysqldump \u52a0\u538b\u7f29\u52a0\u6821\u9a8c<\/h2>\n<p>\u6700\u6734\u7d20\u4e5f\u6700\u7a33\u7684\u65b9\u6848\uff0c\u5c31\u662f\u7528 mysqldump \u5bfc\u51fa SQL \u6587\u672c\u3001\u7528 gzip \u538b\u7f29\u3001\u518d\u7b97\u4e00\u4efd SHA256 \u6821\u9a8c\u3002\u811a\u672c\u672c\u4f53\u4e0d\u8d85\u8fc7 30 \u884c\uff0c\u4f46\u8981\u628a\u6613\u9519\u70b9\u90fd\u8986\u76d6\u5230\uff1a\u51ed\u636e\u8981\u653e\u5728\u53d7\u9650\u6587\u4ef6\u91cc\u3001\u5355\u4e8b\u52a1\u6a21\u5f0f\u907f\u514d\u9501\u8868\u3001\u9519\u8bef\u7801\u8981\u4f20\u9012\u7ed9 cron\u3002<\/p>\n<p>\u4e00\u4e2a\u6700\u5c0f\u53ef\u7528\u7248\u672c\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-bash\">#!\/usr\/bin\/env bash\nset -euo pipefail\n\nCONF=&quot;\/etc\/wp-backup\/db.cnf&quot;\nDB=&quot;wp_main&quot;\nDEST=&quot;\/var\/backups\/wordpress&quot;\nSTAMP=$(date +%F_%H%M)\nFILE=&quot;${DEST}\/${DB}_${STAMP}.sql.gz&quot;\n\nmkdir -p &quot;${DEST}&quot;\nmysqldump --defaults-extra-file=&quot;${CONF}&quot; \\\n  --single-transaction --quick --routines --triggers \\\n  --default-character-set=utf8mb4 &quot;${DB}&quot; \\\n  | gzip -9 &gt; &quot;${FILE}&quot;\n\nsha256sum &quot;${FILE}&quot; &gt; &quot;${FILE}.sha256&quot;\nfind &quot;${DEST}&quot; -name &quot;${DB}_*.sql.gz&quot; -mtime +14 -delete\n<\/code><\/pre>\n<p>\u843d\u5730\u65f6\u8981\u7279\u522b\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u51ed\u636e\u6587\u4ef6\u7528 chmod 600 \u5e76\u5f52 root\uff0c\u907f\u514d\u4e0e web \u7528\u6237\u5171\u4eab<\/li>\n<li>single-transaction \u4ec5\u5bf9 InnoDB \u5b89\u5168\uff0cMyISAM \u8868\u9700\u914d\u5408 lock-tables<\/li>\n<li>\u5b57\u7b26\u96c6\u5fc5\u987b\u663e\u5f0f utf8mb4\uff0c\u5426\u5219\u8868\u60c5\u7b26\u53f7\u3001\u90e8\u5206\u7b80\u7e41\u5b57\u4f1a\u51fa\u9519<\/li>\n<li>\u7528 set -euo pipefail \u8ba9\u4efb\u4f55\u5b50\u547d\u4ee4\u5931\u8d25\u90fd\u76f4\u63a5\u7ec8\u6b62<\/li>\n<li>\u8f93\u51fa\u65e5\u5fd7\u7edf\u4e00\u6253\u5230 \/var\/log\/wp-backup\/\uff0c\u4fbf\u4e8e\u4e8b\u540e\u6392\u67e5<\/li>\n<\/ul>\n<h2>\u7528 Cron \u628a\u811a\u672c\u53d8\u6210\u53ef\u9760\u7684\u5b9a\u65f6\u4efb\u52a1<\/h2>\n<p>\u5199\u5b8c\u811a\u672c\u53ea\u662f\u5f00\u59cb\u3002\u8ba9\u5b83\u5728\u51cc\u6668\u51c6\u70b9\u8dd1\u3001\u8dd1\u5931\u8d25\u80fd\u544a\u8b66\u3001\u4e0d\u4f1a\u8ddf\u5176\u4ed6\u4efb\u52a1\u649e\u8f66\uff0c\u624d\u662f\u5b9a\u65f6\u5907\u4efd\u300c\u53ef\u9760\u300d\u7684\u5173\u952e\u3002\u5efa\u8bae\u628a\u6570\u636e\u5e93\u5907\u4efd\u6392\u5728\u7ad9\u70b9\u8bbf\u95ee\u6700\u4f4e\u8c37\uff0c\u4f8b\u5982\u6bcf\u5929 03:15\uff0c\u5e76\u907f\u5f00\u4e3b\u673a\u5546\u7684\u6574\u70b9\u7ef4\u62a4\u7a97\u53e3\u3002<\/p>\n<p>\u4e00\u4e2a\u63a8\u8350\u7684 crontab \u914d\u7f6e\uff1a<\/p>\n<pre><code>MAILTO=ops@example.com\n15 3 * * * \/usr\/local\/bin\/wp-db-backup.sh &gt;&gt; \/var\/log\/wp-backup\/cron.log 2&gt;&amp;1\n30 3 * * * \/usr\/local\/bin\/wp-db-offsite-sync.sh &gt;&gt; \/var\/log\/wp-backup\/cron.log 2&gt;&amp;1\n<\/code><\/pre>\n<p>\u51e0\u4e2a\u5e38\u88ab\u5ffd\u7565\u7684\u70b9\uff1a<\/p>\n<ul>\n<li>MAILTO \u8ba9\u811a\u672c\u5f02\u5e38\u8f93\u51fa\u4f1a\u81ea\u52a8\u53d1\u90ae\u4ef6\uff0c\u524d\u63d0\u662f\u672c\u673a\u80fd\u6295\u9012<\/li>\n<li>\u91cd\u5b9a\u5411\u5fc5\u987b\u540c\u65f6\u542b stdout \u4e0e stderr\uff0c\u5426\u5219\u5931\u8d25\u4fe1\u606f\u4f1a\u4e22<\/li>\n<li>\u8de8\u65f6\u533a\u673a\u5668\u5148 timedatectl \u786e\u8ba4\u672c\u5730\u65f6\u95f4\uff0c\u518d\u6392\u65f6\u6bb5<\/li>\n<li>\u7528 flock \u5305\u4e00\u5c42\u53ef\u4ee5\u907f\u514d\u811a\u672c\u8dd1\u8d85\u65f6\u88ab\u4e0b\u4e00\u4e2a\u5b9e\u4f8b\u53e0\u52a0<\/li>\n<li>\u5bb9\u5668\u6216 systemd \u73af\u5883\u4e0b\u4f18\u5148\u7528 systemd timer \u66ff\u4ee3 cron<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u521a\u5f00\u59cb\u63a5\u89e6\u670d\u52a1\u5668\u5c42\u8fd0\u7ef4\uff0c\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/tutorials\/us-vps-deployment-tutorial-guide\/\">\u7f8e\u56fd VPS \u90e8\u7f72\u6559\u7a0b\u6307\u5357<\/a> \u628a\u57fa\u7840 shell \u4e0e\u9632\u706b\u5899\u5148\u505a\u9f50\uff0c\u518d\u53e0\u52a0\u5907\u4efd\u811a\u672c\u4f1a\u66f4\u987a\u3002<\/p>\n<h2>\u5f02\u5730\u540c\u6b65\uff1a\u8ba9\u5907\u4efd\u771f\u6b63\u79bb\u5f00\u300c\u540c\u4e00\u5757\u78c1\u76d8\u300d<\/h2>\n<p>\u672c\u673a\u5907\u4efd\u53ea\u80fd\u89e3\u51b3\u8bef\u64cd\u4f5c\uff0c\u4e0d\u80fd\u89e3\u51b3\u300c\u6574\u53f0\u4e3b\u673a\u88ab\u52d2\u7d22\u75c5\u6bd2\u52a0\u5bc6\u300d\u6216\u300c\u673a\u623f\u65ad\u7535\u70e7\u76d8\u300d\u8fd9\u7c7b\u4e8b\u6545\u3002\u4efb\u4f55\u8ba4\u771f\u7684\u5907\u4efd\u65b9\u6848\u90fd\u5fc5\u987b\u5305\u542b\u5f02\u5730\u526f\u672c\uff0c\u4e1a\u754c\u5e38\u8bf4\u7684 3-2-1 \u539f\u5219\u5c31\u662f\uff1a3 \u4efd\u6570\u636e\u30012 \u79cd\u4ecb\u8d28\u30011 \u4efd\u5f02\u5730\u3002<\/p>\n<p>\u53ef\u9009\u7684\u5f02\u5730\u901a\u9053\u6709\u51e0\u7c7b\uff1a<\/p>\n<ul>\n<li>\u540c\u96c6\u7fa4\u53e6\u4e00\u53f0 VPS\uff1a\u7528 rsync over ssh\uff0c\u5ef6\u8fdf\u4f4e\u3001\u6210\u672c\u4f4e<\/li>\n<li>\u5bf9\u8c61\u5b58\u50a8\uff1aS3\u3001\u963f\u91cc\u4e91 OSS\u3001Backblaze B2\uff0c\u914d\u5408 rclone \u5373\u53ef<\/li>\n<li>\u5bb6\u7528 NAS\uff1a\u901a\u8fc7 VPN \u6216\u53cd\u5411 SSH \u96a7\u9053\u56de\u62c9<\/li>\n<li>\u7b2c\u4e09\u65b9\u5907\u4efd\u670d\u52a1\uff1a\u5f00\u7bb1\u5373\u7528\uff0c\u4f46\u8981\u6838\u5bf9\u52a0\u5bc6\u4e0e\u4fdd\u7559\u7b56\u7565<\/li>\n<li>\u79bb\u7ebf\u4ecb\u8d28\uff1aU \u76d8\u6216\u51b7\u76d8\uff0c\u4ec5\u9002\u5408\u6708\u5ea6\u5f52\u6863<\/li>\n<\/ul>\n<p>rclone \u662f\u76ee\u524d\u6bd4\u8f83\u63a8\u8350\u7684\u5f02\u5730\u540c\u6b65\u5de5\u5177\uff0c\u53ef\u4ee5\u52a0\u5bc6\u843d\u76d8\u3001\u65ad\u70b9\u7eed\u4f20\u3001\u9650\u901f\u3001\u505a\u751f\u547d\u5468\u671f\uff1a<\/p>\n<pre><code class=\"language-bash\">rclone copy \/var\/backups\/wordpress remote-encrypted:wp-backup \\\n  --transfers 4 --checkers 8 --bwlimit 8M --log-file=\/var\/log\/wp-backup\/rclone.log\n<\/code><\/pre>\n<p>\u5efa\u8bae\u5728 rclone \u4e4b\u5916\u518d\u53e0\u52a0\u4e00\u5c42 GPG 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MySQL \u5b9e\u4f8b\u3001\u518d\u7528\u811a\u672c\u53bb diff \u5173\u952e\u8868\u3002<\/p>\n<p>\u6f14\u7ec3\u65f6\u91cd\u70b9\u786e\u8ba4\u51e0\u4ef6\u4e8b\uff1a\u8fdc\u7aef\u5907\u4efd\u5728\u6ca1\u6709\u6e90\u7ad9\u8bbf\u95ee\u7684\u60c5\u51b5\u4e0b\u80fd\u72ec\u7acb\u89e3\u5f00\uff1bwp_options \u4e2d\u7684 siteurl \u4e0e home \u53ef\u4ee5\u88ab\u6279\u91cf\u6539\u5199\uff1bwp_users \u4e0e wp_usermeta \u80fd\u767b\u5f55\u65b0\u5b9e\u4f8b\uff1b\u5a92\u4f53\u5e93\u8def\u5f84\u4e0e\u6570\u636e\u5e93\u4e2d\u7684 URL \u4e0d\u51b2\u7a81\uff1b\u6700\u7ec8\u7684\u6062\u590d\u65f6\u95f4 RTO \u4e0e\u53ef\u63a5\u53d7\u4e22\u5931 RPO \u90fd\u7b26\u5408\u4e1a\u52a1\u8981\u6c42\u3002<\/p>\n<p>\u628a\u6f14\u7ec3\u7ed3\u8bba\u5199\u8fdb\u8fd0\u7ef4\u624b\u518c\uff0c\u4e0b\u6b21\u8f6e\u5230\u65b0\u540c\u4e8b\u9876\u73ed\u65f6\u4e5f\u4e0d\u614c\u3002\u5982\u679c\u4f60\u8ba1\u5212\u628a\u6f14\u7ec3\u73af\u5883\u653e\u5230\u72ec\u7acb\u7684<a 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