{"id":824,"date":"2020-09-09T10:00:49","date_gmt":"2020-09-09T02:00:49","guid":{"rendered":"https:\/\/aichh.com\/?p=824"},"modified":"2020-09-09T10:00:49","modified_gmt":"2020-09-09T02:00:49","slug":"centos-7-%e5%8d%b8%e8%bd%bdhome-%e6%89%a9%e5%a4%a7root%e7%a9%ba%e9%97%b4","status":"publish","type":"post","link":"https:\/\/aichh.com\/824.html","title":{"rendered":"CentOS 7 \u5378\u8f7dhome \u6269\u5927root\u7a7a\u95f4"},"content":{"rendered":"<!--wp-compress-html--><!--wp-compress-html no compression--><p>centos\u9ed8\u8ba4\u7684root\u5927\u5c0f\u4e3a50G\uff0c\u4e5f\u5c31\u662f\u8bf4\u5982\u679c\u786c\u4ef6\u5206\u914d\u65f6\u8d85\u8fc750G\uff0c\u5927\u90e8\u5206\u5269\u4f59\u7a7a\u95f4\u90fd\u4f1a\u5206\u914d\u7ed9home\u3002<\/p>\n<p>\u8f6f\u4ef6\u5982\u679c\u88c5\u5728\/usr\/local\u76ee\u5f55\u4e0b\uff0c\u5e76\u4e14data\u7b49\u6570\u636e\u6587\u4ef6\u4e5f\u914d\u7f6e\u5728root\u4e0b\uff0c\u5219\u5fc5\u987b\u5728\u88c5\u673a\u540e\u8c03\u6574root\u7684\u5927\u5c0f\uff0c\u5426\u5219\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\u5f88\u5bb9\u6613\u5bfc\u81f4\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3\u3002\u672c\u65b9\u6848\u76f4\u63a5\u53bb\u6389home,\u6240\u6709\u7a7a\u95f4\u5206\u7ed9root<\/p>\n<h2 id=\"\u4e00\u3001\u5378\u8f7dhome\">\u4e00\u3001\u5378\u8f7dhome<\/h2>\n<h3 id=\"1.1 \u5907\u4efdhome\u5206\u533a\u6587\u4ef6\">1.1 \u5907\u4efdhome\u5206\u533a\u6587\u4ef6<\/h3>\n<pre><code>tar cvf \/tmp\/home.tar \/home\r\n<\/code><\/pre>\n<h3 id=\"1.2 \u4fee\u6539fstab\uff08\u8fd9\u4e00\u6b65\u975e\u5e38\u91cd\u8981\uff0c\u5343\u4e07\u4e0d\u8981\u6f0f\u4e86\uff09\">1.2 \u4fee\u6539fstab\uff08\u8fd9\u4e00\u6b65\u975e\u5e38\u91cd\u8981\uff0c\u5343\u4e07\u4e0d\u8981\u6f0f\u4e86\uff09<\/h3>\n<p>\u51c6\u5907\u5378\u8f7d\/home\u6587\u4ef6\u7cfb\u7edf\uff0c<a href=\"https:\/\/www.centos.bz\/tag\/centos\/\">centos<\/a>\u542f\u52a8\u65f6\u4f1a\u5bf9\/etc\/fstab\u7684\u5185\u5bb9\u9010\u4e00\u68c0\u6d4b\uff0c\u7531\u4e8efstab\u9ed8\u8ba4\u6709\/home\uff0c\u5982\u679c\u4e0d\u4fee\u6539fstab\uff0c\u91cd\u542f\u4e4b\u540e\u4f1a\u53d1\u73b0centos\u8dea\u4e86\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"3-53\" src=\"https:\/\/aichh.com\/wp-content\/uploads\/2020\/09\/3-53.png\" width=\"336\" height=\"143\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"4-45\" src=\"https:\/\/aichh.com\/wp-content\/uploads\/2020\/09\/4-45.png\" width=\"554\" height=\"94\"><\/p>\n<p>\u6240\u4ee5\u5378\u8f7d\u4e4b\u524d\uff0c\u8981\u5148\u6ce8\u91ca\u6389\/home\uff0c\u4e0d\u8ba9\u7cfb\u7edf\u5f00\u673a\u68c0\u6d4b\/home\u3002<\/p>\n<pre><code>yum install -y vim\r\nvim \/etc\/fstab\r\n<\/code><\/pre>\n<p>\u5bf9\u4e8e\/home\u7684\u5185\u5bb9\u589e\u52a0\u6ce8\u91ca\u7b26\uff0cwq\u4fdd\u5b58\u3002<\/p>\n<pre><code>#\/dev\/mapper\/centos-home \/home                   xfs     defaults        0 0\r\n<\/code><\/pre>\n<h3 id=\"1.3 \u5b89\u88c5psmisc\">1.3 \u5b89\u88c5psmisc<\/h3>\n<pre><code>yum install -y psmisc\r\n<\/code><\/pre>\n<p>\/\/Psmisc\u8f6f\u4ef6\u5305\u5305\u542b\u4e09\u4e2a\u5e2e\u52a9\u7ba1\u7406\/proc\u76ee\u5f55\u7684\u7a0b\u5e8f\uff0c\u5b89\u88c5\u4e0b\u5217\u7a0b\u5e8f: fuser\u3001 killall\u3001pstree\u548cpstree.x11(\u5230pstree\u7684\u94fe\u63a5)<\/p>\n<p>\/\/fuser \u663e\u793a\u4f7f\u7528\u6307\u5b9a\u6587\u4ef6\u6216\u8005\u6587\u4ef6\u7cfb\u7edf\u7684\u8fdb\u7a0b\u7684PID\u3002<\/p>\n<p>\/\/killall \u6740\u6b7b\u67d0\u4e2a\u540d\u5b57\u7684\u8fdb\u7a0b\uff0c\u5b83\u5411\u8fd0\u884c\u6307\u5b9a\u547d\u4ee4\u7684\u6240\u6709\u8fdb\u7a0b\u53d1\u51fa\u4fe1\u53f7\u3002<\/p>\n<p>\/\/pstree \u6811\u578b\u663e\u793a\u5f53\u524d\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002<\/p>\n<p>\/\/pstree.x11 \u4e0epstree\u529f\u80fd\u76f8\u540c\uff0c\u53ea\u662f\u5728\u9000\u51fa\u524d\u9700\u8981\u786e\u8ba4\u3002<\/p>\n<h3 id=\"1.4 \u5378\u8f7d\/home\u6587\u4ef6\u7cfb\u7edf\">1.4 \u5378\u8f7d\/home\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<pre><code>umount \/home\r\n<\/code><\/pre>\n<p>\u5982\u679c\u63d0\u793a\u65e0\u6cd5\u5378\u8f7d\uff0c\u662f\u56e0\u4e3a\u6709\u8fdb\u7a0b\u5360\u7528\/home\uff0c\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u505c\u6b62\u5360\u7528\u7684\u8fdb\u7a0b\u3002<\/p>\n<pre><code>fuser -km \/home\/\r\n<\/code><\/pre>\n<h3 id=\"1.5 \u5220\u9664\/home\u6240\u5728\u7684lv\">1.5 \u5220\u9664\/home\u6240\u5728\u7684lv<\/h3>\n<pre><code>lvremove \/dev\/mapper\/centos-home\r\n<\/code><\/pre>\n<p>\u63a5\u7740\u4f1a\u51fa\u73b0\u786e\u8ba4\u7684\u5185\u5bb9\uff0c\u8f93\u5165\u201cy\u201d\uff0c\u56de\u8f66\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"5-38\" src=\"https:\/\/aichh.com\/wp-content\/uploads\/2020\/09\/5-38.png\" width=\"746\" height=\"74\"><\/p>\n<h2 id=\"\u4e8c\u3001\u6269\u5927root\">\u4e8c\u3001\u6269\u5927root<\/h2>\n<h3 id=\"2.1 \u6269\u5c55\/root\u6240\u5728\u7684lv\">2.1 \u6269\u5c55\/root\u6240\u5728\u7684lv<\/h3>\n<p>\u7531\u4e8e\u4e4b\u524d\/home\u5360\u7528\u4e8647G\u7684\u7a7a\u95f4\uff0c\u6545\u6211\u8003\u8651\u5c06\u8fd9\u4e9b\u7a7a\u95f4\u90fd\u52a0\u5230\/root\u91cc\u3002<\/p>\n<pre><code>lvextend -L +47G \/dev\/mapper\/centos-root\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"6-29\" src=\"https:\/\/aichh.com\/wp-content\/uploads\/2020\/09\/6-29.png\" width=\"554\" height=\"37\"><\/p>\n<p>\u53ef\u662f\u53d1\u73b0\u53ef\u7528\u7684\u7a7a\u95f4\u5e76\u4e0d\u662f47G\uff0c\u5e94\u8be5\u662f\u7cfb\u7edf\u56db\u820d\u4e94\u5165\u4e86\uff0c\u51cf\u5c0f\u4e00\u70b9\u6362\u621048100MB\u3002<\/p>\n<p>\u8fd9\u91cc\u8bf4\u660e\uff0c\u4e0d\u53bb\u7cbe\u786e\u8bbe\u7f6e\u53ef\u7528\u7a7a\u95f4\u7684\u539f\u56e0\u662f\uff1a\u6211\u81ea\u5df1\u5bf9\u5982\u4f55\u83b7\u53d6\u53ef\u7528\u7a7a\u95f4\u7684\u65b9\u6cd5\u5e76\u4e0d\u4e86\u89e3\uff0c\u4e0e\u5176\u82b1\u65f6\u95f4\u53bb\u4e86\u89e3\u8fd9\u4e00\u5757\uff0c\u6211\u5b81\u53ef\u6d6a\u8d39\u4e00\u70b9\u7a7a\u95f4\uff08\u6bd5\u7adf\u51e0\u5341MB\u7684\u673a\u68b0\u786c\u76d8\u4e0d\u503c\u591a\u5c11\u94b1\uff0c\u5373\u4f7f\u662f\u4f01\u4e1a\u7ea7\u786c\u76d8\uff09\u3002<\/p>\n<pre><code>lvextend -L +48100M \/dev\/mapper\/centos-root\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"7-26\" src=\"https:\/\/aichh.com\/wp-content\/uploads\/2020\/09\/7-26.png\" width=\"554\" height=\"50\"><\/p>\n<p>\u51fa\u73b0\u4e0b\u9762\u7684\u5185\u5bb9\uff0c\u8bf4\u660e\/root\u6240\u5728\u7684lv\u5df2\u7ecf\u6210\u529f\u62d3\u5c55\u6210\u4e8696.97GB\u3002<\/p>\n<h3 id=\"2.2 \u6269\u5c55\/root\u6587\u4ef6\u7cfb\u7edf\">2.2 \u6269\u5c55\/root\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<pre><code>xfs_growfs \/dev\/mapper\/centos-root\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"8-21\" src=\"https:\/\/aichh.com\/wp-content\/uploads\/2020\/09\/8-21.png\" width=\"554\" height=\"167\"><\/p>\n<p>\u56fe\u4e2d\u768413107200\u300125420800\u6839\u636e\u6587\u4ef6\u5927\u5c0f\u6362\u7b97\u4e86\u4e0b\uff0c\u548c50G\u300197G\u90fd\u4e0d\u7b26\u5408\uff0c\u8fd9\u4e2a\u95ee\u9898\u5148\u6401\u7f6e\u4e0b\uff0c\u4ee5\u540e\u67e5\u8d44\u6599\u770b\u770b\u3002<\/p>\n<h3 id=\"2.3 \u68c0\u67e5\/root\u6587\u4ef6\u7cfb\u7edf\u7684\u7a7a\u95f4\">2.3 \u68c0\u67e5\/root\u6587\u4ef6\u7cfb\u7edf\u7684\u7a7a\u95f4<\/h3>\n<pre><code>df -h\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"9-19\" src=\"https:\/\/aichh.com\/wp-content\/uploads\/2020\/09\/9-19.png\" width=\"554\" height=\"156\"><\/p>\n<p>\u53ef\u4ee5\u53d1\u73b0\/root\u4ece\u539f\u6765\u768450G\u63d0\u5347\u5230\u4e8697G\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u539f\u6587\u51fa\u5904\uff1alinuxidc -&gt; http:\/\/www.linuxidc.com\/Linux\/2018-01\/150515.htm<\/p>\n<p>\u53c2\u8003:https:\/\/juejin.im\/post\/6844904004099506184<\/p>\n<!--wp-compress-html no compression--><!--wp-compress-html-->","protected":false},"excerpt":{"rendered":"centos\u9ed8\u8ba4\u7684root\u5927\u5c0f\u4e3a50G\uff0c\u4e5f\u5c31\u662f\u8bf4\u5982\u679c\u786c\u4ef6\u5206\u914d\u65f6\u8d85\u8fc750G\uff0c\u5927\u90e8\u5206\u5269\u4f59\u7a7a\u95f4\u90fd\u4f1a\u5206\u914d\u7ed9home\u3002 \u8f6f\u4ef6\u5982\u679c\u88c5\u5728\/usr\/local\u76ee\u5f55\u4e0b\uff0c\u5e76\u4e14data\u7b49\u6570\u636e\u6587\u4ef6\u4e5f\u914d\u7f6e\u5728root\u4e0b\uff0c\u5219\u5fc5\u987b\u5728 \u00b7\u00b7\u00b7","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[28,196,52],"class_list":["post-824","post","type-post","status-publish","format-standard","hentry","category-jiaocheng","tag-centos","tag-home","tag-root"],"views":309,"_links":{"self":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts\/824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/comments?post=824"}],"version-history":[{"count":2,"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts\/824\/revisions"}],"predecessor-version":[{"id":833,"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts\/824\/revisions\/833"}],"wp:attachment":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/media?parent=824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/categories?post=824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/tags?post=824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}