{"id":7205,"date":"2019-05-31T10:56:41","date_gmt":"2019-05-31T02:56:41","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=7205"},"modified":"2019-05-31T11:08:45","modified_gmt":"2019-05-31T03:08:45","slug":"ubuntu18-04-2%e9%87%8d%e8%a3%85%e7%b3%bb%e7%bb%9f%e6%81%a2%e5%a4%8dlvm","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=7205","title":{"rendered":"ubuntu18.04.2\u91cd\u88c5\u7cfb\u7edf\u6062\u590dLVM"},"content":{"rendered":"\n

ubuntu16.04\u66f4\u65b018.04\u5931\u8d25\u540e\u65e0\u6cd5\u542f\u52a8\uff0c\u6211\u7684\u786c\u76d8\u73af\u5883\u5982\u4e0b\uff1a<\/p>\n\n\n\n

  1. 64G\u56fa\u6001\u786c\u76d8\u5b89\u88c5\u7cfb\u7edf<\/li>
  2. 2T\u673a\u68b0\u786c\u76d8\u548c1T\u673a\u68b0\u786c\u76d8\u52a0\u5165LVM\u5377\u7ec4<\/li>
  3. \u5377\u7ec4\u540dVG0<\/li>
  4. \u6709\u4e09\u4e2aLV\uff08data\u3010ext4\u3011\u3001movie\u3010xfs\u3011\u3001temp\u3010xfs\u3011\uff09<\/li><\/ol>\n\n\n\n

    \u5148\u8bf4\u7ed3\u679c\uff0c\u4ec0\u4e48\u90fd\u4e0d\u7528\u505a\uff0c\u91cd\u88c5\u7cfb\u7edf\u5230\u56fa\u6001\u786c\u76d8\u4e2d\uff0c\u5b89\u88c5LVM\uff08\u975e\u6700\u5c0f\u5b89\u88c5\u6a21lvm2\u662f\u9ed8\u8ba4\u5b89\u88c5\u7684\uff09\u3001xfs\u6587\u4ef6\u7cfb\u7edf\uff0c\u7528pvscan\u626b\u63cfPV\u540e\uff0cvgdisplay\u53ef\u4ee5\u770b\u5230vg\uff08\u6211\u5728pvscan\u4e4b\u524d\u4f7f\u7528vgdisplay\u6240\u4ee5\u4e0d\u77e5\u9053\u76f4\u63a5\u7528vgdisplay\u662f\u5426\u53ef\u4ee5\u53d1\u73b0vg\uff09\uff0c\u53ea\u4e0d\u8fc7\u6ca1\u6709\u6fc0\u6d3b\uff0c\u7528vgchange -ay vg0\u6fc0\u6d3bvg0\u5c31\u53ef\u4ee5\u6302\u8f7d\u3002<\/p>\n\n\n\n

    \u4ee5\u4e0b\u60c5\u51b5\u4e3a\u7269\u7406\u76d8\u6ca1\u6709\u95ee\u9898\uff0c\u53ea\u662fLVM2\u4fe1\u606f\u4e22\u5931\u7684\u60c5\u51b5\uff1a<\/p>\n\n\n\n

    1. \u5148\u505a\u4e00\u4e2a\u6a21\u62dfpv\u635f\u574f\u7684\u73af\u5883\uff0c\u4f7f\u7528\u547d\u4ee4\u3010dd if=\/dev\/zero of=\/dev\/sdb bs=512 count=1 seek=1\u3011\u6e05\u9664\u786c\u76d8LVM\u4fe1\u606f\u3002<\/li>
    2. \u91cd\u542f\u8ba1\u7b97\u673a\uff0c\u4e0d\u91cd\u542f\u8ba1\u7b97\u673a\u7684\u8bdd\uff0c\u4fe1\u606f\u8fd8\u5728\u5185\u5b58\u4e2d\uff0cLVM\u4e0d\u4f1a\u8ba4\u4e3aVG\u6709\u95ee\u9898\u3002\u91cd\u542f\u673a\u7b97\u673a\u540e\u4f1a\u8fdb\u5165emergency mode\u3002<\/li>
    3. \u4f7f\u7528PVS\uff08\u6216lvs\\vgs\uff09\u4f1a\u63d0\u793a\uff1aWARNING: DEVICE FOR pv tvB6G2-7Cai-BAms-gFwP-XiG3-NRUB-oGfsT6 not found or rejected by a filter. \u4e0a\u9762\u7684uuid\u662f\u6839\u636e\u81ea\u5df1\u673a\u5668\u4ea7\u751f\u7684\u3002<\/li>
    4. \u4f7f\u7528\u547d\u4ee4\u3010pvcreate –ff –uuid tvB6G2-7Cai-BAms-gFwP-XiG3-NRUB-oGfsT6 –restorefile \/etc\/lvm\/backup\/vg0 \/dev\/sdb\u3011\u4fee\u590d\/dev\/sdb\u4e0a\u7684LVM2\u4fe1\u606f\uff0c\u63d0\u793a\uff1a\u3010couldn’t find device with uuid tvB6G2-7Cai-BAms-gFwP-XiG3-NRUB-oGfsT6 not found or rejected by a filter. Physical volume “\/dev\/sdb” succesfully create.\u3011<\/li>
    5. \u8fd9\u65f6\u518d\u6267\u884clvs\u5c31\u4e0d\u4f1a\u6709\u9519\u8bef\u8b66\u544a\u3002<\/li><\/ol>\n\n\n\n

      \u4e0a\u9762\u5e94\u8be5\u6ce8\u610f\u5230–restorefile\u540e\u9762\u7684\u53c2\u6570\/etc\/lvm\/backup\/vg0\uff0cvg0\u6587\u4ef6\u662fVG\u540d\uff0c\u5176\u4e2d\u5305\u542b\u4e86VG\u7684\u4fe1\u606f\u3002\u6240\u4ee5\u5982\u679c\u8981\u6062\u590dLVM2\u7684\u4fe1\u606f\uff0c\u91cd\u70b9\u5728\u4e8e\u5907\u4efd\u8be5\u6587\u4ef6\uff0c\u4f7f\u7528\u3010sudo vgcfgbackup -f <\u5907\u4efd\u6587\u4ef6>\u3011\u4f7f\u7528\u4e4b\u540e\u4f1a\u63d0\u793a\uff1a\u3010Volume group “vg0” successfully backed up.\u3011<\/p>\n\n\n\n

      http:\/\/ju.outofmemory.cn\/entry\/69969<\/a> \u6211\u662f\u53c2\u7167\u8fd9\u4e2a\u4eba\u7684\u7f51\u7ad9\u505a\u7684\u3002<\/p>\n\n\n\n

      <\/p>\n","protected":false},"excerpt":{"rendered":"

      ubuntu16.04\u66f4\u65b018.04\u5931\u8d25\u540e\u65e0\u6cd5\u542f\u52a8\uff0c\u6211\u7684\u786c\u76d8\u73af\u5883\u5982\u4e0b\uff1a 64G\u56fa\u6001\u786c\u76d8\u5b89\u88c5\u7cfb\u7edf 2T\u673a\u68b0\u786c\u76d8\u548c1T\u673a\u68b0\u786c\u76d8\u52a0\u5165LVM\u5377\u7ec4 \u5377\u7ec4\u540dVG0 \u6709\u4e09\u4e2aL…<\/p>\n

      Read More Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-7205","post","type-post","status-publish","format-standard","hentry","category-it"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7205"}],"version-history":[{"count":3,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7205\/revisions"}],"predecessor-version":[{"id":7209,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7205\/revisions\/7209"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}