{"id":47853,"date":"2022-08-05T14:45:34","date_gmt":"2022-08-05T06:45:34","guid":{"rendered":"http:\/\/www.xyryd.com\/?p=47853"},"modified":"2022-08-26T09:08:28","modified_gmt":"2022-08-26T01:08:28","slug":"centos%e5%bc%80%e6%9c%ba%e6%95%85%e9%9a%9c%e8%bf%9b%e5%85%a5dracut%e6%a8%a1%e5%bc%8f%ef%bf%bc","status":"publish","type":"post","link":"http:\/\/www.xyryd.com\/47853.html","title":{"rendered":"Centos\u5f00\u673a\u6545\u969c\u8fdb\u5165dracut\u6a21\u5f0f"},"content":{"rendered":"\n<p>\u5f00\u673a\u8fdb\u5165dracut\u6a21\u5f0f\uff0c\u5e76\u8fdb\u884c\u4ee5\u4e0b\u62a5\u9519<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Warning: \/dev\/centos\/root does not exist\nWarning: \/dev\/centos\/home does not exist\nWarning: \/dev\/centos\/swap does not exist\nWarning: \/dev\/mapper\/centos-root does not exist<\/code><\/pre>\n\n\n\n<p>\u5bfb\u627e\u4e0d\u5230\u76f8\u5173LVM\u5206\u533a\uff08vg\u540d\u79f0\u56e0\u67d0\u64cd\u4f5c\u4fee\u6539\u6210\u4e86newcentos\uff0c\u914d\u7f6e\u6587\u4ef6\u76f8\u5173\u5185\u6838\u542f\u52a8\u53c2\u6570\u53ea\u9700\u8981\u8ba2\u6b63\u5373\u53ef\uff09<\/p>\n\n\n\n<p>\u67e5\u770bLVM\u60c5\u51b5\uff08\u663e\u793a\u672a\u6fc0\u6d3bVG\uff0c\u8fd9\u6837\u5bfc\u81f4\u65e0\u6cd5\u6302\u8f7d\u6839\u76ee\u5f55\u8fdb\u884c\u64cd\u4f5c\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># blkid\n\/dev\/sda2: UUID=\"9UurP7-hKWa-zUEb-FBQL-9Cdk-17Si-PBwxGZ\" TYPE=\"LVM2_member\" \n\/dev\/sda1: UUID=\"85775bb6-ab14-4b77-ad24-4e92ab5e353d\" TYPE=\"xfs\" \n# lvm lvs\n  LV   VG        Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert\n  home newcentos -wi------- 66.99g                                                    \n  root newcentos -wi------- 50.00g                                                    \n  swap newcentos -wi-------  2.00g    \n<\/code><\/pre>\n\n\n\n<p>\u542f\u7528VG<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># lvm vgchange -ay\n# blkid\n\/dev\/sda2: UUID=\"9UurP7-hKWa-zUEb-FBQL-9Cdk-17Si-PBwxGZ\" TYPE=\"LVM2_member\" \n\/dev\/sda1: UUID=\"85775bb6-ab14-4b77-ad24-4e92ab5e353d\" TYPE=\"xfs\" \n# lvm lvs\n  LV   VG        Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert\n  home newcentos -wi-a----- 66.99g                                                    \n  root newcentos -wi-a----- 50.00g                                                    \n  swap newcentos -wi-a-----  2.00g   <\/code><\/pre>\n\n\n\n<p>\u6302\u8f7droot\uff0c\u4fee\u6539grub\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># mkdir tmp1\n# mount \/dev\/newcentos\/root tmp1\n# vim tmp1\/etc\/default\/grub\nGRUB_CMDLINE_LINUX=\"crashkernel=auto rd.lvm.lv=newcentos\/root  rd.lvm.lv=newcentos\/swap rhgb quiet\"<\/code><\/pre>\n\n\n\n<p>\u4fee\u6539\u5f00\u673a\u6302\u8f7d\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># vim tmp1\/etc\/fstab \n\/dev\/mapper\/newcentos-root \/                       xfs     defaults        0 0\nUUID=85775bb6-ab14-4b77-ad24-4e92ab5e353d \/boot                   xfs     defaults        0 0\n\/dev\/mapper\/newcentos-home \/home                   xfs     defaults        0 0\n\/dev\/mapper\/newcentos-swap swap                    swap    defaults        0 0<\/code><\/pre>\n\n\n\n<p>\u6302\u8f7dboot\uff0c\u4fee\u6539grub2\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># mkdir tmp2\n# mount \/dev\/sda1 \n# vi tmp2\/grub2\/grub.cfg\nlinux16 \/vmlinuz-3.10.0-1160.el7.x86_64 root=\/dev\/mapper\/newcentos-root ro crashkernel=auto rd.lvm.lv=newcentos\/root rd.lvm.lv=newcentos\/swap  rhgb quiet LANG=en_US.UTF-8\nlinux16 \/vmlinuz-0-rescue-f3abd6c361dd1a45a0d5ad02a85370e1 root=\/dev\/mapper\/newcentos-root ro crashkernel=auto rd.lvm.lv=newcentos\/root rd.lvm.lv=newcentos\/swap rhgb quiet<\/code><\/pre>\n\n\n\n<p>\u91cd\u542f\u5373\u53ef\u6b63\u5e38\u542f\u52a8<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6269\u5c55<\/h2>\n\n\n\n<p>\u4e0a\u9762\u662f\u6211\u9047\u5230\u7684\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u8fd8\u6709\u4e00\u79cd\u539f\u56e0\u6ca1\u73af\u5883\u9a8c\u8bc1\uff0c\u5148\u628a\u7b54\u6848\u8d34\u4e0a\u6765<\/p>\n\n\n\n<p>\u53e6\u5916\u7684\u539f\u56e0\u662finitramfs\u5185\u6838\u6620\u50cf\u662f\u4e3a\u5176\u8fd0\u884c\u7684\u7279\u5b9a\u7cfb\u7edf\u6784\u5efa\u7684\uff0c\u56e0\u6b64\u8fc1\u79fb\u5230\u65b0\u786c\u4ef6\u5c06\u5bfc\u81f4\u5b83\u65e0\u6cd5\u542f\u52a8\uff0c\u56e0\u6b64\u91cd\u65b0\u521b\u5efa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f00\u673a\u8fdb\u5165dracut\u6a21\u5f0f\uff0c\u5e76\u8fdb\u884c\u4ee5\u4e0b\u62a5\u9519 \u5bfb\u627e\u4e0d\u5230\u76f8\u5173LVM\u5206\u533a\uff08vg\u540d\u79f0\u56e0\u67d0\u64cd\u4f5c\u4fee\u6539\u6210\u4e86newcentos\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":43082,"comment_status":"open","ping_status":"closed","sticky":false,"template":"single-with-sidebar","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[21,17],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/posts\/47853"}],"collection":[{"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/comments?post=47853"}],"version-history":[{"count":0,"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/posts\/47853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/media\/43082"}],"wp:attachment":[{"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/media?parent=47853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/categories?post=47853"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xyryd.com\/wp-json\/wp\/v2\/tags?post=47853"}],"curies":[{"name":"wp","href":"http:\/\/api.w.org\/{rel}","templated":true}]}}