{"id":13718,"date":"2024-06-07T09:44:14","date_gmt":"2024-06-07T01:44:14","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13718"},"modified":"2024-06-07T11:05:51","modified_gmt":"2024-06-07T03:05:51","slug":"devicemapper%e6%8a%80%e6%9c%af%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13718","title":{"rendered":"DeviceMapper\u6280\u672f\u4ecb\u7ecd"},"content":{"rendered":"<p><a href=\"https:\/\/blog.csdn.net\/feelabclihu\/article\/details\/135710099\">https:\/\/blog.csdn.net\/feelabclihu\/article\/details\/135710099<\/a><\/p>\n<h2>dm\u539f\u7406<\/h2>\n<p>device-mapper\u662flinux\u5757\u8bbe\u5907\u6620\u5c04\u6280\u672f\u6846\u67b6\u3002\u6211\u4eec\u6302\u8f7d\u7528\u5230\u7684\u52a8\u6001\u5377(\u903b\u8f91\u5206\u533a)\uff0c\u5b8c\u6574\u6027\u6821\u9a8c(dm-verity)\uff0cvab\u5347\u7ea7\u7528\u5230snapshot(\u5feb\u7167)\u6280\u672f\u90fd\u79bb\u4e0d\u5f00\u5b83\u3002<\/p>\n<p>\u5b83\u662f\u5728\u5757\u8bbe\u5907\u4e0a\u7684\u4e00\u5c42\u6620\u5c04\uff0c\u5bf9\u5916\u6765\u770b\uff0c\u5b83\u4e5f\u662f\u4e00\u4e2a\u5757\u8bbe\u5907(\u865a\u62df\u5757\u8bbe\u5907)\u3002\u5b83\u6709\u4e09\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c<strong>\u6620\u5c04\u8bbe\u5907<\/strong>(mapped device)\uff0c<strong>\u6620\u5c04\u8868<\/strong>(map table)\uff0c<strong>\u76ee\u6807\u8bbe\u5907<\/strong>(traget device)\u3002<\/p>\n<p>device-mapper\u5de5\u4f5c\u53ea\u662f\u589e\u52a0\u4e86\u4e00\u5c42\u6620\u5c04\uff0c\u5bf9\u5916\u6765\u770b\u5b83\u4e5f\u662f\u4e00\u4e2a\u5757\u8bbe\u5907\uff0c\u5728\u5b9e\u9645\u8bbf\u95ee\u65f6\uff0cdevice-mapper\u7684\u533a\u522b\u4f1a\u6839\u636e\u6620\u5c04\u8868\uff0c\u53bb\u771f\u6b63\u5757\u8bbe\u5907(\u76ee\u6807\u8bbe\u5907)\u4e0a\u7684\u7269\u7406\u5757\u4e0a\u5e2e\u6211\u4eec\u62ff\u5230\u9700\u8981\u7684\u6570\u636e\u8fd4\u56de\u7ed9\u6211\u4eec\u3002<\/p>\n<h2>\u5de5\u5177<\/h2>\n<h3>dmctl<\/h3>\n<p><a href=\"https:\/\/blog.csdn.net\/guyongqiangx\/article\/details\/129229115\">https:\/\/blog.csdn.net\/guyongqiangx\/article\/details\/129229115<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/feelabclihu\/article\/details\/135710099\">https:\/\/blog.csdn.net\/feelabclihu\/article\/details\/135710099<\/a><\/p>\n<ul>\n<li>\n<p>\u67e5\u770b\u6302\u8f7d\u7684dm\u8bbe\u5907<br \/>\n<code>dmctl list devices<\/code><\/p>\n<\/li>\n<li>\n<p>\u83b7\u53d6\u5bf9\u5e94dm\u8bbe\u5907\u7684\u8def\u5f84<br \/>\n<code>dmctl getpath \u8bbe\u5907\u540d\u79f0<\/code><\/p>\n<\/li>\n<li>\n<p>\u67e5\u770bdm\u8bbe\u5907\u7684\u6620\u5c04\u8868<br \/>\n<code>dmctl table \u8bbe\u5907\u540d\u79f0<\/code><\/p>\n<\/li>\n<\/ul>\n<button class=\"simplefavorite-button\" data-postid=\"13718\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>https:\/\/blog.csdn.net\/feelabclihu\/article\/details\/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1043],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13718"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13718"}],"version-history":[{"count":8,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13718\/revisions"}],"predecessor-version":[{"id":13729,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13718\/revisions\/13729"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13718"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}