{"id":33579,"date":"2026-10-13T10:00:00","date_gmt":"2026-10-13T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33579"},"modified":"2026-10-14T11:57:58","modified_gmt":"2026-10-14T03:57:58","slug":"rsnapshot-incremental-backup-retention","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/tutorials\/rsnapshot-incremental-backup-retention\/","title":{"rendered":"rsnapshot \u589e\u91cf\u5907\u4efd\uff1a\u670d\u52a1\u5668\u6587\u4ef6\u7ea7\u5feb\u7167\u4e0e\u4fdd\u7559\u7b56\u7565\u914d\u7f6e"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/rsnapshot-server-cover.webp\" alt=\"rsnapshot \u589e\u91cf\u5907\u4efd\u4e0e\u4fdd\u7559\u7b56\u7565\u914d\u7f6e\u5c01\u9762\u914d\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u670d\u52a1\u5668\u78c1\u76d8\u6545\u969c\u3001\u8bef\u5220\u6587\u4ef6\u3001\u52d2\u7d22\u8f6f\u4ef6\u52a0\u5bc6\uff0c\u4efb\u4f55\u4e00\u4ef6\u4e8b\u90fd\u53ef\u80fd\u8ba9\u7f51\u7ad9\u4e00\u591c\u4e4b\u95f4\u4e22\u5931\u51e0\u4e2a\u6708\u7684\u79ef\u7d2f\u3002\u5982\u4f55\u7528\u8f83\u4f4e\u7684\u6210\u672c\u7ed9\u670d\u52a1\u5668\u6587\u4ef6\u505a\u4e00\u5957\u53ef\u9760\u7684\u589e\u91cf\u5907\u4efd\uff1f\u672c\u6587\u4ee5\u5f00\u6e90\u5de5\u5177 rsnapshot \u4e3a\u4f8b\uff0c\u5e26\u4f60\u8d70\u5b8c\u5b89\u88c5\u3001\u76ee\u5f55\u89c4\u5212\u3001\u4fdd\u7559\u7b56\u7565\u914d\u7f6e\u5230\u6062\u590d\u6f14\u7ec3\u7684\u5b8c\u6574\u6d41\u7a0b\uff0c\u5e2e\u52a9\u4f60\u628a&#8221;\u6709\u5907\u4efd&#8221;\u7684\u8ba1\u5212\u843d\u6210&#8221;\u80fd\u6062\u590d&#8221;\u7684\u80fd\u529b\u3002<\/p>\n<p>rsnapshot \u7684\u6838\u5fc3\u662f\u6587\u4ef6\u7ea7\u5feb\u7167\uff1a\u5b83\u57fa\u4e8e rsync\uff08\u4e00\u79cd\u652f\u6301\u589e\u91cf\u4f20\u8f93\u7684\u6587\u4ef6\u540c\u6b65\u5de5\u5177\uff09\u548c\u786c\u94fe\u63a5\u5b9e\u73b0\uff0c\u6bcf\u6b21\u53ea\u4f20\u8f93\u6709\u53d8\u52a8\u7684\u6587\u4ef6\uff0c\u672a\u53d8\u52a8\u6587\u4ef6\u901a\u8fc7\u786c\u94fe\u63a5\u590d\u7528\u5386\u53f2\u5feb\u7167\u4e2d\u7684\u540c\u4e00\u4efd\u6570\u636e\u3002\u4fdd\u7559\u5341\u51e0\u4efd\u5feb\u7167\u65f6\uff0c\u78c1\u76d8\u5360\u7528\u63a5\u8fd1\u4e00\u6b21\u5168\u91cf\u5907\u4efd\u52a0\u5168\u90e8\u53d8\u52a8\u4e4b\u548c\uff0c\u4e00\u53f0\u666e\u901a\u670d\u52a1\u5668\u52a0\u4e00\u5757\u6570\u636e\u76d8\u5c31\u80fd\u8dd1\u8d77\u6765\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u6587\u4ef6\u7ea7\u5feb\u7167\u9002\u5408\u4e2d\u5c0f\u4e1a\u52a1<\/h2>\n<p>\u4e0d\u5c11\u7ad9\u957f\u7684&#8221;\u5907\u4efd&#8221;\u662f\u6539\u7248\u524d\u624b\u52a8\u6253\u4e00\u4e2a tar \u5305\uff0c\u6216\u8005\u4f9d\u8d56\u4e3b\u673a\u5546\u7684\u5468\u671f\u5feb\u7167\u3002\u524d\u8005\u9891\u7387\u53d6\u51b3\u4e8e\u4eba\uff0c\u540e\u8005\u6062\u590d\u7c92\u5ea6\u7c97\u3001\u5e38\u9700\u63d0\u4ea4\u5de5\u5355\u7b49\u5f85\u3002rsnapshot \u628a\u5907\u4efd\u9891\u7387\u3001\u4fdd\u7559\u65f6\u957f\u548c\u6062\u590d\u7c92\u5ea6\u90fd\u4ea4\u56de\u81ea\u5df1\u624b\u91cc\u3002<\/p>\n<p>\u5b83\u7684\u539f\u7406\u53ef\u4ee5\u4e3e\u4e2a\u4f8b\u5b50\uff1a23 \u70b9\u548c\u6b21\u65e5 23 \u70b9\u5404\u5907\u4efd\u4e00\u6b21 \/var\/www\uff0c\u671f\u95f4\u53ea\u6539\u4e86 3 \u4e2a\u6587\u4ef6\u3002rsnapshot \u751f\u6210\u65b0\u5feb\u7167\u65f6\u5148\u505a\u4e00\u6b21 rsync \u540c\u6b65\uff0c\u518d\u7528\u786c\u94fe\u63a5\u8ba9\u672a\u53d8\u52a8\u6587\u4ef6\u6307\u5411\u540c\u4e00\u4efd\u6570\u636e\u5757\uff0c\u4e24\u4efd\u5feb\u7167\u770b\u8d77\u6765\u90fd\u662f\u5b8c\u6574\u76ee\u5f55\uff0c\u78c1\u76d8\u4e0a\u53ea\u6709\u90a3 3 \u4e2a\u65b0\u6587\u4ef6\u5360\u7528\u65b0\u7a7a\u95f4\u3002\u8fd9\u5957\u673a\u5236\u5e26\u6765\u4e09\u4e2a\u76f4\u63a5\u6536\u76ca\uff1a<\/p>\n<ul>\n<li>\u5907\u4efd\u7a97\u53e3\u77ed\uff1a\u589e\u91cf\u4f20\u8f93\u8ba9\u65e5\u5e38\u540c\u6b65\u538b\u7f29\u5230\u5206\u949f\u7ea7\uff0c1 GB \u7684\u7ad9\u70b9\u5e38\u6001\u589e\u91cf\u53ea\u6709\u51e0 MB \u5230\u51e0\u5341 MB\u3002<\/li>\n<li>\u6062\u590d\u7c92\u5ea6\u7ec6\uff1a\u76f4\u63a5\u4ece\u5feb\u7167\u76ee\u5f55 cp \u6587\u4ef6\uff0c\u8bef\u5220\u5355\u4e2a\u914d\u7f6e\u6587\u4ef6 30 \u79d2\u5185\u5c31\u80fd\u62ff\u56de\u4e0a\u4e00\u5c0f\u65f6\u7684\u7248\u672c\u3002<\/li>\n<li>\u5b58\u50a8\u6548\u7387\u9ad8\uff1a\u786c\u94fe\u63a5\u590d\u7528\u8ba9 20 \u4efd\u5feb\u7167\u7684\u5b9e\u9645\u5360\u7528\u53ea\u6bd4\u5355\u4efd\u5168\u91cf\u591a\u51fa\u53d8\u52a8\u90e8\u5206\u3002<\/li>\n<\/ul>\n<p>\u65b9\u6848\u8bbe\u8ba1\u65f6\u4e5f\u8981\u8bf4\u6e05\u8fb9\u754c\uff1arsnapshot \u53ea\u7ba1\u6587\u4ef6\uff0c\u6570\u636e\u5e93\u5e94\u5148\u7528 mysqldump \u4e4b\u7c7b\u7684\u5de5\u5177\u843d\u6210\u8f6c\u50a8\u6587\u4ef6\u518d\u7eb3\u5165\u5feb\u7167\u8303\u56f4\uff1b\u5b83\u4e5f\u4e0d\u662f\u5f02\u5730\u5bb9\u707e\u65b9\u6848\uff0csnapshot_root \u5e94\u6307\u5411\u72ec\u7acb\u6570\u636e\u76d8\u3002\u5982\u679c\u4f60\u6b63\u5728\u89c4\u5212\u670d\u52a1\u5668\u5b89\u5168\u57fa\u7ebf\uff0c\u53ef\u4ee5\u7ed3\u5408\u6211\u4eec\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-security-hardening\/\">WordPress \u5b89\u5168\u52a0\u56fa<\/a> \u4e00\u8d77\u770b\uff0c\u5907\u4efd\u4e0e\u52a0\u56fa\u662f\u5e94\u5bf9\u5165\u4fb5\u7684\u4e92\u8865\u624b\u6bb5\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/rsnapshot-hardlink-snapshot.webp\" alt=\"rsnapshot \u786c\u94fe\u63a5\u5feb\u7167\u7ed3\u6784\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u5b89\u88c5\u4e0e\u6838\u5fc3\u914d\u7f6e\uff1asnapshot_root \u548c\u5907\u4efd\u70b9<\/h2>\n<p>Debian\/Ubuntu \u7528 <code>apt update &amp;&amp; apt install rsnapshot<\/code> \u5b89\u88c5\uff0cCentOS\/RHEL \u7cfb\u5148\u542f\u7528 EPEL \u6e90\u518d\u6267\u884c <code>yum install rsnapshot<\/code>\u3002\u6240\u6709\u884c\u4e3a\u90fd\u96c6\u4e2d\u5728 \/etc\/rsnapshot.conf \u4e00\u4e2a\u6587\u4ef6\u91cc\uff0c\u7b2c\u4e00\u6b65\u662f\u89c4\u5212 snapshot_root\uff0c\u4e5f\u5c31\u662f\u5feb\u7167\u7684\u5b58\u653e\u6839\u76ee\u5f55\u3002<\/p>\n<p>snapshot_root \u51b3\u5b9a\u5907\u4efd\u4f53\u7cfb\u7684\u7a33\u5b9a\u6027\uff0c\u6211\u4eec\u5efa\u8bae\u628a\u5feb\u7167\u653e\u5728\u72ec\u7acb\u6570\u636e\u76d8\uff1a\u5907\u4efd\u4efb\u52a1\u662f\u5199\u5bc6\u96c6\u64cd\u4f5c\uff0c\u4e0e\u7cfb\u7edf\u548c\u7ad9\u70b9\u6587\u4ef6\u5171\u7528\u4e00\u5757\u76d8\u65f6\uff0c\u78c1\u76d8\u6253\u6ee1\u4f1a\u8ba9\u6e90\u7ad9\u548c\u5907\u4efd\u540c\u65f6\u51fa\u95ee\u9898\u3002\u89c4\u5212\u65f6\u5148\u7528 <code>df -h<\/code> \u786e\u8ba4\u6302\u8f7d\u70b9\u4e0e\u5269\u4f59\u7a7a\u95f4\uff0c\u518d\u6309&#8221;\u6570\u636e\u603b\u91cf \u00d7 (1 + \u65e5\u53d8\u52a8\u7387 \u00d7 \u4fdd\u7559\u5929\u6570)&#8221;\u4f30\u7b97\u9700\u6c42\uff0c\u63a7\u5236\u5728\u6570\u636e\u76d8\u5bb9\u91cf\u7684 80% \u4ee5\u5185\u3002<\/p>\n<p>\u5907\u4efd\u70b9\u7531\u6e90\u8def\u5f84\u3001\u76ee\u6807\u8def\u5f84\uff08\u76f8\u5bf9 snapshot_root\uff09\u548c\u53ef\u9009\u53c2\u6570\u7ec4\u6210\uff0c\u4e09\u8005\u5fc5\u987b\u7528 Tab \u5206\u9694\uff0c\u8fd9\u662f rsnapshot \u914d\u7f6e\u91cc\u6700\u5bb9\u6613\u8e29\u7684\u5751\uff0c\u7528\u7a7a\u683c\u4ee3\u66ff Tab \u4f1a\u8ba9\u89e3\u6790\u76f4\u63a5\u62a5\u9519\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nbackup  \/var\/www\/  localhost\/\nbackup  \/etc\/      localhost\/etc\/\nbackup  \/home\/     localhost\/home\/\n<\/pre>\n<p>\u672b\u5c3e\u659c\u6760\u662f rsync \u8bed\u4e49\u7684\u4e00\u90e8\u5206\uff0c<code>\/var\/www\/<\/code> \u8868\u793a\u5907\u4efd\u76ee\u5f55\u5185\u5bb9\u800c\u975e\u76ee\u5f55\u672c\u8eab\uff0c\u591a\u5199\u5c11\u5199\u90fd\u4f1a\u8ba9\u5feb\u7167\u5c42\u7ea7\u53d8\u4e71\u3002\u4e24\u4e2a\u5b9e\u8df5\u5efa\u8bae\uff1a\u7528 <code>exclude *\/cache\/*<\/code> \u8fd9\u7c7b\u89c4\u5219\u6392\u9664\u7f13\u5b58\u548c\u4f1a\u8bdd\u6587\u4ef6\uff0c\u907f\u514d\u9ad8\u9891\u53d8\u52a8\u5185\u5bb9\u767d\u767d\u6d88\u8017\u78c1\u76d8\uff1b\u6570\u636e\u5e93\u8f6c\u50a8\u76ee\u5f55\u5355\u72ec\u5efa\u5907\u4efd\u70b9\uff0c\u65b9\u4fbf\u6309\u76ee\u5f55\u63a7\u5236\u4fdd\u7559\u5bc6\u5ea6\u3002\u6539\u5b8c\u914d\u7f6e\u5148\u8fd0\u884c <code>rsnapshot configtest<\/code>\uff0c\u770b\u5230 &#8220;Syntax OK&#8221; \u518d\u6392 cron\u3002\u5bf9\u4f7f\u7528 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u5efa\u7ad9\u7684\u7528\u6237\u6765\u8bf4\uff0c<a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u4e3b\u673a\u65b9\u6848<\/a> \u63d0\u4f9b\u5b8c\u6574 root \u6743\u9650\uff0c\u53ef\u4ee5\u6309\u4e0a\u8ff0\u6b65\u9aa4\u76f4\u63a5\u64cd\u4f5c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/rsnapshot-config-workflow.webp\" alt=\"rsnapshot \u914d\u7f6e\u6d41\u7a0b\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u4fdd\u7559\u7b56\u7565\uff1aretain \u53c2\u6570\u4e0e\u8f6e\u8f6c\u903b\u8f91<\/h2>\n<p>\u4fdd\u7559\u7b56\u7565\u51b3\u5b9a\u540c\u4e00\u4efd\u6570\u636e\u4fdd\u7559\u591a\u5c11\u4e2a\u65f6\u95f4\u7248\u672c\uff0c\u901a\u8fc7 retain \u53c2\u6570\u914d\u7f6e\u3002\u914d\u7f6e\u6587\u4ef6\u4e2d retain \u884c\u7684\u987a\u5e8f\u5c31\u662f\u8f6e\u8f6c\u987a\u5e8f\uff0c\u5fc5\u987b\u6309\u9891\u7387\u4ece\u9ad8\u5230\u4f4e\u6392\u5217\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nretain  hourly  6\nretain  daily   7\n<\/pre>\n<p>\u8fd9\u4e24\u884c\u7684\u542b\u4e49\uff1ahourly \u4fdd\u7559 6 \u4efd\uff0c\u914d\u5408\u6bcf\u5c0f\u65f6\u6267\u884c <code>rsnapshot hourly<\/code>\uff0c\u8986\u76d6\u6700\u8fd1 6 \u5c0f\u65f6\uff1bdaily \u4fdd\u7559 7 \u4efd\uff0c\u6bcf\u5929\u6267\u884c <code>rsnapshot daily<\/code>\uff0c\u8986\u76d6\u6700\u8fd1 7 \u5929\u3002\u8f6e\u8f6c\u65f6 rsnapshot \u5220\u9664\u6700\u8001\u7684 hourly.5\uff0c\u5176\u4f59\u4f9d\u6b21\u540e\u79fb\u4e00\u4f4d\uff1b<code>rsnapshot daily<\/code> \u5219\u628a\u6700\u65b0\u7684 hourly.0 \u786c\u94fe\u63a5\u4e3a daily.0\uff0c\u672a\u53d8\u52a8\u6587\u4ef6\u5728\u4e24\u7ea7\u4e4b\u95f4\u540c\u6837\u5171\u4eab\u6570\u636e\u5757\uff0c\u4e0d\u4f1a\u4ea7\u751f\u53cc\u500d\u5360\u7528\u3002\u9700\u8981\u66f4\u957f\u5468\u671f\u65f6\uff0c\u518d\u52a0 <code>retain weekly 4<\/code> \u548c <code>retain monthly 3<\/code> \u5373\u53ef\u3002<\/p>\n<p>\u4fdd\u7559\u591a\u5c11\u4efd\u53d6\u51b3\u4e8e\u65e5\u53d8\u52a8\u91cf\u548c\u5907\u4efd\u76d8\u5bb9\u91cf\u3002\u5efa\u8bae\u5148\u6309 hourly 6 \/ daily 7 \u8d77\u6b65\uff0c\u8dd1\u4e00\u5468\u540e\u7528 <code>du -sh<\/code> \u9010\u7ea7\u67e5\u770b\u5b9e\u9645\u5360\u7528\uff1adaily \u5c42\u589e\u957f\u660e\u663e\u8d85\u51fa\u9884\u671f\uff0c\u8bf4\u660e\u65e5\u53d8\u52a8\u91cf\u5927\uff0c\u8981\u4e48\u7f29\u5c0f hourly \u6570\u91cf\uff0c\u8981\u4e48\u6269\u5927 exclude \u8303\u56f4\u3002\u6821\u9a8c\u6807\u51c6\u662f\u5907\u4efd\u76d8\u7a33\u5b9a\u5728\u5bb9\u91cf 80% \u4ee5\u4e0b\uff0c\u4e14\u6700\u8001\u5feb\u7167\u8986\u76d6\u4e1a\u52a1\u7684\u6062\u590d\u70b9\u76ee\u6807\uff08RPO\uff0c\u5373\u6700\u591a\u80fd\u5bb9\u5fcd\u4e22\u5931\u591a\u4e45\u7684\u6570\u636e\uff09\u3002\u4e09\u79cd\u5e38\u89c1\u89c4\u6a21\u53ef\u4ee5\u8fd9\u6837\u53d6\u503c\uff1a<\/p>\n<ul>\n<li>\u4e2a\u4eba\u535a\u5ba2\u3001\u65e5\u53d8\u52a8\u51e0\u5341 MB\uff1ahourly 4 + daily 7\uff0c\u5907\u4efd\u76d8 2 \u500d\u4e8e\u7ad9\u70b9\u6570\u636e\u5373\u53ef\u3002<\/li>\n<li>\u4f01\u4e1a\u5b98\u7f51\u3001\u65e5\u53d8\u52a8 1 GB \u4e0a\u4e0b\uff1ahourly 6 + daily 7 + weekly 4\uff0c\u5e76\u914d\u7f6e\u78c1\u76d8\u7528\u91cf\u544a\u8b66\u3002<\/li>\n<li>\u6570\u636e\u5e93\u5bc6\u96c6\u4e1a\u52a1\uff1a\u628a\u6570\u636e\u5e93\u8f6c\u50a8\u9891\u7387\u4e0e hourly \u5bf9\u9f50\uff0c\u907f\u514d\u5feb\u7167\u4e4b\u95f4\u5b58\u5728\u5907\u4efd\u7a7a\u767d\u671f\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/rsnapshot-retention-rotation.webp\" alt=\"rsnapshot \u4fdd\u7559\u8f6e\u8f6c\u7ed3\u6784\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u7528 cron \u5b9e\u73b0\u81ea\u52a8\u8f6e\u8f6c\u4e0e\u7ed3\u679c\u9a8c\u8bc1<\/h2>\n<p>rsnapshot \u672c\u8eab\u662f\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u81ea\u52a8\u5907\u4efd\u9760 cron \u628a\u5404\u7ea7\u4efb\u52a1\u4e32\u8d77\u6765\uff0c\u539f\u5219\u662f\u540c\u4e00\u5c42\u7ea7\u4e0a\u4e00\u8f6e\u8dd1\u5b8c\u518d\u5f00\u59cb\u4e0b\u4e00\u8f6e\u3002\u4e00\u4efd\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u914d\u7f6e\u76f4\u63a5\u5199\u5165 \/etc\/cron.d\/rsnapshot\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\n0  *    * * *  root  \/usr\/bin\/rsnapshot hourly\n50 23   * * *  root  \/usr\/bin\/rsnapshot daily\n40 23   * * 6  root  \/usr\/bin\/rsnapshot weekly\n30 23   1 * *  root  \/usr\/bin\/rsnapshot monthly\n<\/pre>\n<p>hourly \u6bcf\u5c0f\u65f6\u6574\u70b9\u6267\u884c\uff1bdaily \u653e\u5728 23:50\uff0c\u907f\u5f00\u6574\u70b9\u4efb\u52a1\uff1bweekly \u5728\u6bcf\u5468\u516d 23:40\u3001monthly \u5728\u6bcf\u6708 1 \u65e5 23:30\uff0c\u90fd\u5b89\u6392\u5728 daily \u4e4b\u524d\u5b8c\u6210\u3002<code>rsnapshot daily<\/code> \u4ee5\u6700\u65b0\u7684 hourly.0 \u4e3a\u6e90\uff0c\u6240\u4ee5 daily \u7684\u65f6\u523b\u4e5f\u51b3\u5b9a\u4e86&#8221;\u6bcf\u5929\u4ee5\u54ea\u4e2a\u65f6\u523b\u7684\u5feb\u7167\u4e3a\u51c6&#8221;\u3002<\/p>\n<p>\u6392\u5b9a cron \u4e4b\u540e\uff0c\u5907\u4efd\u662f\u5426\u771f\u7684\u5728\u8dd1\u8981\u9760\u9a8c\u8bc1\u786e\u8ba4\uff0c\u800c\u4e0d\u662f\u770b\u8fdb\u7a0b\u5b58\u5728\u5c31\u653e\u5fc3\uff1a<code>ls \/backup\/rsnapshot\/.snapshots\/hourly.0\/localhost\/<\/code> \u80fd\u770b\u5230\u5b8c\u6574\u76ee\u5f55\u7ed3\u6784\uff0c\u62bd\u67e5\u6587\u4ef6\u7684\u4fee\u6539\u65f6\u95f4\u4e0e\u6e90\u7ad9\u4e00\u81f4\uff1b\u5bf9\u4efb\u610f\u672a\u53d8\u52a8\u6587\u4ef6\u7528 <code>stat<\/code> \u5bf9\u6bd4\u76f8\u90bb\u4e24\u4efd\u5feb\u7167\u7684 inode \u53f7\uff0c\u76f8\u540c\u8bf4\u660e\u786c\u94fe\u63a5\u590d\u7528\u6b63\u5e38\uff1b<code>tail -100 \/var\/log\/rsnapshot<\/code> \u91cc\u5e94\u770b\u5230\u6bcf\u8f6e rsync \u6c47\u603b\u3002\u5e38\u89c1\u62a5\u9519\u4e5f\u6709\u56fa\u5b9a\u89e3\u6cd5\uff1apermission denied \u5148\u6838\u5bf9\u8fd0\u884c\u7528\u6237\u7684\u76ee\u5f55\u6743\u9650\uff1b&#8221;another rsnapshot is running&#8221; \u8bf4\u660e cron \u95f4\u9694\u8fc7\u5bc6\u5bfc\u81f4\u9501\u51b2\u7a81\uff0c\u62c9\u957f\u540c\u5c42\u7ea7\u95f4\u9694\u5373\u53ef\uff1b\u5907\u4efd\u76d8\u544a\u6025\u65f6\u7528 <code>du -sh<\/code> \u5b9a\u4f4d\u5360\u7528\u6700\u5927\u7684\u4e00\u5c42\u5feb\u7167\uff0c\u628a\u7f13\u5b58\u548c\u65e5\u5fd7\u76ee\u5f55\u52a0\u8fdb exclude \u6bd4\u6269\u76d8\u66f4\u6709\u6548\uff1b\u4efb\u52a1\u6839\u672c\u6ca1\u542f\u52a8\uff0c\u5148 <code>systemctl status cron<\/code> \u786e\u8ba4\u670d\u52a1\uff0c\u518d\u7528 <code>grep rsnapshot \/var\/log\/syslog<\/code> \u67e5\u8c03\u5ea6\u8bb0\u5f55\u3002<\/p>\n<h2>\u4ece\u914d\u7f6e\u5230\u6f14\u7ec3\uff1a\u8ba9\u5907\u4efd\u771f\u6b63\u53ef\u7528<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u5907\u4efd\u7684\u4ef7\u503c\u8981\u9760\u6062\u590d\u6f14\u7ec3\u786e\u8ba4\u3002\u5efa\u8bae\u6bcf\u5b63\u5ea6\u505a\u4e00\u6b21\u6f14\u7ec3\uff1a\u4ece\u5feb\u7167\u76ee\u5f55\u968f\u673a\u6311\u51e0\u4e2a\u6587\u4ef6\u6062\u590d\u5230\u4e34\u65f6\u4f4d\u7f6e\uff0c\u7528 diff \u5bf9\u6bd4\u6e90\u6587\u4ef6\u786e\u8ba4\u4e00\u81f4\uff1b\u6761\u4ef6\u5141\u8bb8\u65f6\u5728\u6d4b\u8bd5\u673a\u4e0a\u7528\u5feb\u7167\u5b8c\u6574\u62c9\u8d77\u4e00\u6b21\u7ad9\u70b9\uff0c\u8bb0\u5f55\u8017\u65f6\u548c\u9047\u5230\u7684\u95ee\u9898\uff0c\u8fd9\u4e2a\u6570\u5b57\u5c31\u662f\u707e\u96be\u53d1\u751f\u65f6\u4e1a\u52a1\u6062\u590d\u7684\u771f\u5b9e\u901f\u5ea6\u3002\u5e73\u65f6\u6bcf\u6708\u770b\u4e00\u6b21\u78c1\u76d8\u5360\u7528\u8d8b\u52bf\uff0c\u6bcf\u5b63\u5ea6\u6838\u5bf9 retain \u914d\u7f6e\u662f\u5426\u8fd8\u5339\u914d\u4e1a\u52a1\u89c4\u6a21\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5728\u642d\u5efa\u6216\u5347\u7ea7\u670d\u52a1\u5668\u73af\u5883\uff0cHostease \u7684 <a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a> \u65b9\u6848\u652f\u6301\u591a\u5757\u6570\u636e\u76d8\uff0c\u53ef\u4ee5\u628a\u7cfb\u7edf\u76d8\u4e0e\u5907\u4efd\u76d8\u7269\u7406\u5206\u5f00\uff0c\u914d\u5408\u672c\u6587\u914d\u7f6e\u76f4\u63a5\u843d\u5730\u4e00\u5957\u5907\u4efd\u4f53\u7cfb\uff1b\u66f4\u591a\u8fd0\u7ef4\u5b9e\u8df5\u4e5f\u53ef\u4ee5\u7ee7\u7eed\u6d4f\u89c8\u6211\u4eec\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u8fd0\u7ef4\u4e13\u680f<\/a>\u3002\u603b\u7ed3\u4e00\u4e0b\uff0crsnapshot \u589e\u91cf\u5907\u4efd\u7684\u843d\u5730\u8def\u5f84\u662f\uff1a\u89c4\u5212\u597d snapshot_root \u4e0e\u5907\u4efd\u70b9\uff0c\u914d\u7f6e\u5206\u7ea7 retain \u4fdd\u7559\u7b56\u7565\uff0c\u7528 cron \u4e32\u8d77\u81ea\u52a8\u8f6e\u8f6c\uff0c\u518d\u7528\u6062\u590d\u6f14\u7ec3\u9a8c\u8bc1\u6574\u6761\u94fe\u8def\u3002\u5efa\u8bae\u4ece\u8fd9\u4e2a\u6708\u5f00\u59cb\u6267\u884c\uff0c\u6bcf\u5b63\u5ea6\u590d\u76d8\u4e00\u6b21\u4fdd\u7559\u7b56\u7565\uff0c\u8ba9\u6570\u636e\u5b89\u5168\u6210\u4e3a\u53ef\u9a8c\u8bc1\u7684\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u7528 rsnapshot \u7ed9\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\u7ea7\u589e\u91cf\u5907\u4efd\uff1f\u672c\u6587\u8bb2\u89e3\u786c\u94fe\u63a5\u5feb\u7167\u539f\u7406\u3001snapshot_root \u4e0e retain \u4fdd\u7559\u7b56\u7565\u914d\u7f6e\u3001cron \u81ea\u52a8\u8f6e\u8f6c\u4ee5\u53ca\u6062\u590d\u6f14\u7ec3\u7684\u5b8c\u6574\u6d41\u7a0b\uff0c\u5e2e\u4f60\u628a\u5907\u4efd\u4ece\u8ba1\u5212\u53d8\u6210\u53ef\u9a8c\u8bc1\u7684\u80fd\u529b\u3002<\/p>\n","protected":false},"author":2,"featured_media":33575,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4099],"tags":[5256,5257,3871,50,5258],"class_list":["post-33579","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials","tag-rsnapshot","tag-5257","tag-3871","tag-50","tag-5258"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/rsnapshot-server-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=33579"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33579\/revisions"}],"predecessor-version":[{"id":33580,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33579\/revisions\/33580"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/33575"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=33579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=33579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=33579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}