{"id":8073,"date":"2020-06-22T15:54:43","date_gmt":"2020-06-22T07:54:43","guid":{"rendered":"https:\/\/www.linuxcool.com\/?p=8073"},"modified":"2023-05-01T18:50:10","modified_gmt":"2023-05-01T10:50:10","slug":"dmsetup","status":"publish","type":"post","link":"https:\/\/www.linuxcool.com\/dmsetup","title":{"rendered":"dmsetup\u547d\u4ee4 &#8211; \u7ba1\u7406\u786c\u76d8\u6620\u5c04\u5668"},"content":{"rendered":"\n<p>dmsetup\u547d\u4ee4\u6765\u81ea\u82f1\u6587\u8bcd\u7ec4\u201cDevice mapper setup\u201d\u7684\u7f29\u5199\uff0c\u5176\u529f\u80fd\u662f\u7528\u4e8e\u7ba1\u7406\u786c\u76d8\u6620\u5c04\u5668\u3002dmsetup\u547d\u4ee4\u662fLinux\u7cfb\u7edf\u5e73\u53f0\u4e2d\u4e00\u4e2a\u66f4\u52a0\u5e95\u5c42\u7684\u903b\u8f91\u5377\u7ba1\u7406\u5de5\u5177\uff0c\u80fd\u591f\u8f7b\u677e\u4ece\u8bbe\u5907\u5e95\u5c42\u7ba1\u7406LVM\u903b\u8f91\u5377\u7ba1\u7406\u5668\u4e2d\u5404\u4e2a\u8bbe\u5907\u5377\uff0c\u5982\u679c\u7528lvcreate\u548clvremove\u65e0\u6cd5\u6b63\u5e38\u5bf9\u903b\u8f91\u5377\u8fdb\u884c\u7ba1\u7406\u4e86\uff0c\u90a3\u4e48\u5219\u53ef\u4ee5\u7528dmsetup\u8bd5\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p><strong>\u8bed\u6cd5\u683c\u5f0f\uff1a<\/strong>dmsetup [\u53c2\u6570] \u903b\u8f91\u5377\u540d<\/p>\n\n\n\n<p><strong>\u5e38\u7528\u53c2\u6570\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>deps<\/td><td>\u663e\u793a\u8bbe\u5907\u7684\u4f9d\u8d56\u5173\u7cfb<\/td><\/tr><tr><td>info<\/td><td>\u663e\u793a\u6709\u5173\u786c\u76d8\u6620\u5c04\u5668\u7684\u6982\u8ff0\u4fe1\u606f<\/td><\/tr><tr><td>ls<\/td><td>\u663e\u793a\u6620\u5c04\u8bbe\u5907\u7684\u540d\u79f0\u5217\u8868<\/td><\/tr><tr><td>remove<\/td><td>\u5220\u9664\u6307\u5b9a\u7684\u786c\u76d8\u8bbe\u5907<\/td><\/tr><tr><td>status<\/td><td>\u663e\u793a\u6307\u5b9a\u8bbe\u5907\u4e2d\u6bcf\u4e2a\u76ee\u6807\u7684\u72b6\u6001\u4fe1\u606f<\/td><\/tr><tr><td>table<\/td><td>\u663e\u793a\u865a\u62df\u8bbe\u5907\u7684\u6620\u5c04\u8868<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u53c2\u8003\u793a\u4f8b<\/strong><\/p>\n\n\n\n<p>\u663e\u793a\u7cfb\u7edf\u4e2d\u5404\u4e2a\u786c\u76d8\u8bbe\u5907\u60c5\u51b5\u7684\u6982\u8ff0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# <strong>dmsetup info<\/strong>\nName:              rhel-swap\nState:             ACTIVE\nRead Ahead:        8192\nTables present:    LIVE\nOpen count:        2\nEvent number:      0\nMajor, minor:      253, 1\nNumber of targets: 1\nUUID: LVM-wgyD2pBMAQl7wEV1wGtZBUpgvrrdR6qd43nqVhkGAVsw0NI0QsycwuOC500MeRIO\n\nName:              rhel-root\nState:             ACTIVE\nRead Ahead:        8192\nTables present:    LIVE\nOpen count:        1\nEvent number:      0\nMajor, minor:      253, 0\nNumber of targets: 1\nUUID: LVM-wgyD2pBMAQl7wEV1wGtZBUpgvrrdR6qddQlpzqGLJKXq4GjbdG52P4XWmst2tKT4<\/pre>\n\n\n\n<p>\u663e\u793a\u7cfb\u7edf\u6620\u5c04\u7684\u786c\u76d8\u8bbe\u5907\u540d\u79f0\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# <strong>dmsetup ls<\/strong>\nrhel-swap\t(253:1)\nrhel-root\t(253:0)<\/pre>\n\n\n\n<p>\u79fb\u9664\u6307\u5b9a\u7684\u786c\u76d8\u8bbe\u5907\u5377\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# <strong>dmsetup remove rhel-swap<\/strong><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>dmsetup\u547d\u4ee4\u6765\u81ea\u82f1\u6587\u8bcd\u7ec4\u201cDevice mapper setup\u201d\u7684\u7f29\u5199\uff0c\u5176\u529f\u80fd\u662f\u7528\u4e8e\u7ba1\u7406\u786c\u76d8\u6620\u5c04\u5668\u3002d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-8073","post","type-post","status-publish","format-standard","hentry","category-disk"],"_links":{"self":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/8073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/comments?post=8073"}],"version-history":[{"count":8,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/8073\/revisions"}],"predecessor-version":[{"id":14759,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/8073\/revisions\/14759"}],"wp:attachment":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media?parent=8073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/categories?post=8073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/tags?post=8073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}