{"id":556,"date":"2019-11-27T20:29:56","date_gmt":"2019-11-27T12:29:56","guid":{"rendered":"http:\/\/h2.wjxy.net.cn:8081\/?p=556"},"modified":"2026-06-15T16:18:07","modified_gmt":"2026-06-15T08:18:07","slug":"pve-%e7%9a%84%e8%87%aa%e5%8a%a8%e5%bf%ab%e7%85%a7%e6%89%b9%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=556","title":{"rendered":"PVE \u7684\u81ea\u52a8\u5feb\u7167\u6279\u5904\u7406"},"content":{"rendered":"\n<p>\u4e00\u3001 \u5efa\u7acb\u81ea\u52a8\u5feb\u7167\u7a0b\u5e8f<br><code>\/etc\/snapshot\/snapshot.sh<br><\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\r\n\r\n# \u5b8c\u6574\u8def\u5f84\u5b9a\u4e49\uff0c\u907f\u514dcron\u73af\u5883\u95ee\u9898\r\nCONFIG_FILE=\"\/etc\/snapshot\/num.1\"\r\nMAX_SNAPSHOT=15\r\nVM_IDS=(301 302 303)\r\nQM_CMD=\"\/usr\/sbin\/qm\"  # \u4f7f\u7528qm\u7684\u5b8c\u6574\u8def\u5f84\r\n\r\n# \u65e5\u5fd7\u51fd\u6570\uff0c\u4fbf\u4e8e\u8c03\u8bd5\r\nlog_message() {\r\n    echo \"&#91;$(date '+%Y-%m-%d %H:%M:%S')] $1\" >> \/var\/log\/snapshot.log\r\n}\r\n\r\n# \u521d\u59cb\u5316\u65e5\u5fd7\r\nlog_message \"=== \u5f00\u59cb\u6267\u884c\u5feb\u7167\u4efb\u52a1 ===\"\r\n\r\n# \u68c0\u67e5qm\u547d\u4ee4\u662f\u5426\u5b58\u5728\r\nif &#91;&#91; ! -x \"$QM_CMD\" ]]; then\r\n    log_message \"\u9519\u8bef: \u627e\u4e0d\u5230qm\u547d\u4ee4\u6216\u6ca1\u6709\u6267\u884c\u6743\u9650: $QM_CMD\"\r\n    exit 1\r\nfi\r\n\r\n# \u8bfb\u53d6\u8ba1\u6570\u5668\r\nif &#91;&#91; -f \"$CONFIG_FILE\" ]] &amp;&amp; &#91;&#91; \"$(cat \"$CONFIG_FILE\" 2>\/dev\/null)\" =~ ^&#91;0-9]+$ ]]; then\r\n    i=$(cat \"$CONFIG_FILE\")\r\n    log_message \"\u4ece $CONFIG_FILE \u8bfb\u53d6\u8ba1\u6570\u5668\u503c: $i\"\r\nelse\r\n    i=1\r\n    log_message \"\u914d\u7f6e\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u683c\u5f0f\u9519\u8bef\uff0c\u4f7f\u7528\u9ed8\u8ba4\u503c: $i\"\r\nfi\r\n\r\n# \u5feb\u7167\u64cd\u4f5c\u51fd\u6570\r\nperform_snapshot_operations() {\r\n    local snapshot_name=\"letter$1\"\r\n    local success_count=0\r\n    local total_vms=${#VM_IDS&#91;@]}\r\n\r\n    log_message \"\u5904\u7406\u5feb\u7167: $snapshot_name\"\r\n\r\n    for vm_id in \"${VM_IDS&#91;@]}\"; do\r\n        # \u5220\u9664\u65e7\u5feb\u7167\uff08\u5982\u679c\u5b58\u5728\uff09\r\n        if \"$QM_CMD\" delsnapshot \"$vm_id\" \"$snapshot_name\" 2>\/dev\/null; then\r\n            log_message \"  \u865a\u62df\u673a $vm_id: \u5220\u9664\u65e7\u5feb\u7167 $snapshot_name \u6210\u529f\"\r\n        else\r\n            log_message \"  \u865a\u62df\u673a $vm_id: \u6ca1\u6709\u627e\u5230\u5feb\u7167 $snapshot_name (\u53ef\u80fd\u4e0d\u5b58\u5728)\"\r\n        fi\r\n\r\n        # \u521b\u5efa\u65b0\u5feb\u7167\r\n        if \"$QM_CMD\" snapshot \"$vm_id\" \"$snapshot_name\" --description \"auto\"; then\r\n            log_message \"  \u865a\u62df\u673a $vm_id: \u521b\u5efa\u5feb\u7167 $snapshot_name \u6210\u529f\"\r\n            ((success_count++))\r\n        else\r\n            log_message \"  \u865a\u62df\u673a $vm_id: \u521b\u5efa\u5feb\u7167 $snapshot_name \u5931\u8d25\"\r\n        fi\r\n    done\r\n\r\n    log_message \"\u5b8c\u6210: \u6210\u529f\u5904\u7406 $success_count\/$total_vms \u53f0\u865a\u62df\u673a\"\r\n}\r\n\r\n# \u6839\u636e\u8ba1\u6570\u5668\u503c\u6267\u884c\u64cd\u4f5c\r\nif &#91;&#91; $i -lt $MAX_SNAPSHOT ]]; then\r\n    log_message \"\u5f53\u524d\u8ba1\u6570\u5668 $i &lt; $MAX_SNAPSHOT\uff0c\u6267\u884c\u6b63\u5e38\u5faa\u73af\"\r\n    perform_snapshot_operations \"$i\"\r\n    ((i++))\r\nelse\r\n    log_message \"\u5f53\u524d\u8ba1\u6570\u5668 $i >= $MAX_SNAPSHOT\uff0c\u91cd\u7f6e\u4e3a1\"\r\n    i=1\r\n    perform_snapshot_operations \"$i\"\r\nfi\r\n\r\n# \u4fdd\u5b58\u8ba1\u6570\u5668\u503c\r\nif echo \"$i\" > \"$CONFIG_FILE\" 2>\/dev\/null; then\r\n    log_message \"\u4fdd\u5b58\u8ba1\u6570\u5668\u503c $i \u5230 $CONFIG_FILE \u6210\u529f\"\r\nelse\r\n    log_message \"\u9519\u8bef: \u65e0\u6cd5\u4fdd\u5b58\u8ba1\u6570\u5668\u503c\u5230 $CONFIG_FILE\"\r\n    exit 1\r\nfi\r\n\r\nlog_message \"=== \u5feb\u7167\u4efb\u52a1\u6267\u884c\u5b8c\u6210 ===\\n\"\r\nexit 0<\/code><\/pre>\n\n\n\n<p><br>\u4e8c\u3001 \u521b\u5efa\u4efb\u52a1 \u4fee\u6539crontab\u6587\u4ef6\uff0c#\u524d\u6700\u540e\u4e00\u884c\u52a0\u5165<br><code>00 00 * * * root \/etc\/snapshot\/snapshot.sh<\/code><br>\u4e09\u3001 \u91cd\u65b0cron\u670d\u52a1<br><code>Service cron restart<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001 \u5efa\u7acb\u81ea\u52a8\u5feb\u7167\u7a0b\u5e8f\/etc\/snapshot\/snapshot.sh \u4e8c\u3001 \u521b\u5efa\u4efb\u52a1 \u4fee\u6539crontab\u6587 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/556"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=556"}],"version-history":[{"count":5,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/556\/revisions"}],"predecessor-version":[{"id":4021,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/556\/revisions\/4021"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}