\u4e00\u3001\u6982\u5ff5:<\/p>\n
1).PV(Physical Volume)\uff1a\u7269\u7406\u5377\uff0c\u5904\u4e8eLVM\u6700\u5e95\u5c42\uff0c\u53ef\u4ee5\u662f\u7269\u7406\u786c\u76d8\u6216\u8005\u5206\u533a\u3002
\n2).VG(Volume Group)\uff1a\u7269\u7406\u5377\u7ec4\uff0c\u5efa\u7acb\u5728PV\u4e4b\u4e0a\uff0c\u53ef\u4ee5\u542b\u6709\u4e00\u4e2a\u5230\u591a\u4e2aPV\u3002
\n3).LV(Logical Volume):\u903b\u8f91\u5377\uff0c\u5efa\u7acb\u5728PV\u4e4b\u4e0a\uff0c\u76f8\u5f53\u4e8e\u539f\u6765\u5206\u533a\u7684\u6982\u5ff5\u3002\u4e0d\u8fc7\u5927\u5c0f\u53ef\u52a8\u6001\u6539\u53d8\u3002
\n4).PE(Physical Extend):\u7269\u7406\u533a\u57df\uff0cPV\u4e2d\u53ef\u4ee5\u7528\u4e8e\u5206\u914d\u7684\u6700\u5c0f\u5b58\u50a8\u5355\u4f4d\uff0c\u53ef\u4ee5\u5728\u5efa\u7acbPV\u65f6\u6307\u5b9a\uff0c\u59821\uff0c2\uff0c4\uff0c8… …64M\uff0c\u540c\u4e00VG\u4e2d\u7684\u6240\u6709PV\u7684PE\u5e94\u8be5\u76f8\u540c\u3002
\n5).LE(Logical Extend):\u903b\u8f91\u533a\u57df\uff0cLV\u4e2d\u53ef\u4ee5\u7528\u4e8e\u5206\u914d\u7684\u6700\u5c0f\u5b58\u50a8\u5355\u5143\uff0c\u53d6\u51b3\u4e8eLV\u6240\u5728PV\u4e2dPE\u7684\u5927\u5c0f\uff0c\u662fPE\u7684\u6574\u6570\u500d\u3002
\n6).VGDA(Volume Group Descriptor Area):\u5377\u7ec4\u63cf\u8ff0\u533a\u57df\uff0c\u5b58\u5728\u4e8e\u6bcf\u4e2aPV\u4e2d\uff0c\u7528\u4e8e\u63cf\u8ff0\u8be5PV\u672c\u8eab\u3001PV\u6240\u542bVG\u3001VG\u4e2d\u7684LV\u4ee5\u53caLV\u4e2d\u7684\u7269\u7406\u533a\u57df\u5206\u914d\u7b49\u4fe1\u606f\uff0c\u5728\u4f7f\u7528pvcreate\u547d\u4ee4\u5efa\u7acbPV\u65f6\u5efa\u7acb\u3002<\/p>\n
\u4e8c\u3001\u6b65\u9aa4:<\/p>\n
1).\u5efa\u7acbLVM\u7c7b\u578b\u7684\u5206\u533a
\n2).\u5efa\u7acbLVM\u7269\u7406\u5377PV
\n3).\u5efa\u7acbLVM\u5377\u7ec4VG
\n4).\u5efa\u7acbLVM\u903b\u8f91\u5377LV
\n5).\u5efa\u7acb\u6587\u4ef6\u7cfb\u7edf
\n6).\u6302\u63a5\u6587\u4ef6\u7cfb\u7edf
\n7).\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf<\/p>\n
\u4e09\u3001\u793a\u4f8b<\/p>\n
\u6709\u786c\u76d8sdb\u548csdc\uff0csdb\u6253\u7b97\u5b58\u6570\u636e\u76d8\uff0csdc\u7528\u505a\u6570\u636e\u7684\u5907\u4efd\uff0c\u4e3a\u4e86\u9632\u6b62\u4ee5\u540e\u7a7a\u95f4\u4e0d\u8db3\u7b49\u60c5\u51b5\uff0c\u9700\u8981\u521b\u5efalv\uff0c\u5e76\u5206\u522b\u6302\u8f7d\u5230\/data\u548c\/backup\u4e0b\u3002<\/p>\n
1).\u8981\u4f7f\u7528\u65b0\u786c\u76d8\uff0c\u521b\u5efa\u7269\u7406\u5377\uff0c\u8fd9\u91cc\u4f7f\u7528\u6574\u5757\u786c\u76d8<\/p>\n
pvcreate \/dev\/sdb
\npvcreate \/dev\/sdc<\/p>\n
pvdisplay:\u663e\u793aPV\u5c5e\u6027
\npvscan:\u5728\u7cfb\u7edf\u6240\u6709\u786c\u76d8\u4e0a\u67e5\u627ePV
\npvdata:\u663e\u793a\u67d0\u4e2aPV\u7684\u8be6\u7ec6\u4fe1\u606f<\/p>\n
2).\u5c06\u4e24\u5757\u786c\u76d8\u5206\u522b\u521b\u5efa\u5e76\u52a0\u5165\u4e0d\u540c\u7684\u7ec4datavg\u548cbackupvg<\/p>\n
vgcreate data \/dev\/sdb
\nvgcreate backup \/dev\/sdc<\/p>\n
vgdisplay:\u663e\u793a\u5377\u7ec4\u7684\u5c5e\u6027
\nvgscan:\u67e5\u627e\u7cfb\u7edf\u73b0\u6709VG\u5377\u7ec4
\nvgdata:\u663e\u793aVG\u5377\u7ec4\u4e0a\u7684VGDA\u4fe1\u606f
\nvgchange:\u6539\u53d8VG\u5377\u7ec4\u5c5e\u6027
\n\u6b64\u547d\u4ee4\u6709\u4e24\u4e2a\u5e38\u7528\u7684\u53c2\u6570:
\n-a:,–available{y|n}:\u5728\u64cd\u4f5cVG\u65f6,\u63a7\u5236\u4e00\u4e2aVG\u7684\u53ef\u4f7f\u7528\u6027,\u6362\u53e5\u8bdd\u8bf4\u63a7\u5236\u4e00\u4e2aVG\u80fd\u5426\u88ab\u7cfb\u7edf\u5185\u6838\u8bc6\u522b\u3002
\n-x,–allocation{y|n}:\u63a7\u5236\u4e00\u4e2aVG\u80fd\u5426\u88ab\u6269\u5145\u6216\u8005\u7f29\u51cf(\u63a7\u5236\u4e00\u4e2aVG\u5185\u7684PV\u80fd\u5426\u88ab\u5206\u914d)\u3002
\nvgextend:\u7528\u4e8e\u5411VG\u4e2d\u6dfb\u52a0\u65b0\u7684PV
\n\u5982 vgextend datavg \/dev\/sda6
\nvgreduce:\u7528\u4e8e\u4eceVG\u4e2d\u5220\u9664PV
\n\u5982 vgreduce datavg \/dev\/sda6
\nvgmerge:\u7528\u4e8e\u5408\u5e76\u5377\u7ec4\u3002\u5f85\u5408\u5e76\u7684VG\u5fc5\u987b\u5904\u4e8e\u975e\u6d3b\u52a8\u72b6\u6001\u3002
\n\u4f8b\u5982:\u5c06demoVG2\u5408\u5e76\u5230demoVG1\u4e2d
\nvgchange -a n demoVG1
\nvgchange -a n demoVG2
\nvgmerge demoVG1 demoVG2<\/p>\n
vgsplit:\u7528\u4e8e\u62c6\u5206\u5df2\u7ecf\u5b58\u5728\u7684VG,VG\u5fc5\u987b\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002<\/p>\n
vgchange -a y demoVG2
\nvgsplit demoVG2 demoVG4 \/dev\/hdd2 \/dev\/hdd5 \/dev\/hdd6 \/dev\/hdd7<\/p>\n
vgremove:\u7528\u4e8e\u5220\u9664VG,\u8981\u6c42\u5f85\u5220\u9664\u7684VG\u5fc5\u987b\u5904\u4e8e\u975e\u6fc0\u6d3b\u72b6\u6001\u3002
\nvgchange -a n demoVG1
\nvgremove demoVG1<\/p>\n
vgrename:\u7528\u4e8e\u91cd\u547d\u540dVG,\u4e0d\u8981\u6c42VG\u5904\u4e8e\u975e\u6fc0\u6d3b\u72b6\u6001\u3002
\nvgrename demoVG2 demoVG3<\/p>\n
3)\u3001\u521b\u5efa\u903b\u8f91\u5377<\/p>\n
\u7531\u4e8e\u8fd9\u91cc\u8981\u4f7f\u7528\u6574\u4e2a\u78c1\u76d8\uff0c\u6240\u4ee5\u5728datavg\u548cbackupvg\u4e2d\u5206\u522b\u5efa\u7acbdatalv\uff0cbackuplv<\/p>\n
lvcreate -l 100%FREE -n datalv datavg
\nlvcreate -l 100%FREE -n backuplv backupvg<\/p>\n
lvdisplay:\u663e\u793aLV\u7684\u5c5e\u6027
\nlvscan:\u67e5\u627e\u7cfb\u7edf\u73b0\u6709LV
\nlvdata:\u663e\u793aLV\u4e0a\u7684LVDA\u4fe1\u606f
\nlvchange:\u6539\u53d8LV\u5c5e\u6027
\nlvextend:\u6269\u5c55LV\u5bb9\u91cf\u3002LVM\u7684\u6700\u7a81\u51fa\u7279\u70b9\u5c31\u662f\u968f\u65f6\u52a8\u6001\u7684\u8c03\u6574LV\u7a7a\u95f4\u5927\u5c0f\u3002
\n\u5982lvextend -L +10m \/dev\/demoVG1\/demoLV11 (\u4e3ademoLV11\u589e\u52a010MB\u7684\u7a7a\u95f4)<\/p>\n
\u521b\u5efa50% vg\u5927\u5c0f\u7684lv
\nlvcreate -l 50%VG -n lv001 vg001
\n\u521b\u5efa\u4f7f\u7528\u4f59\u4e0b\u6240\u6709vg\u5927\u5c0f\u7684lv
\nlvcreate -l 100%FREE -n lv002 vg002
\n\u521b\u5efa100M\u5927\u5c0f\u7684lv
\nlvcreate -L 100M -n lv003 vg003<\/p>\n
lvreduce:\u51cf\u5c0fLV\u5bb9\u91cf\u3002
\n\u4f8b\u5982:
\nlvextend -L -10m \/dev\/demoVG1\/demoLV11 (\u4e3ademoLV11\u51cf\u5c1110MB\u7684\u7a7a\u95f4)<\/p>\n
vrename:LV\u91cd\u547d\u540d
\n\u4f8b\u5982:
\nlvrename \/dev\/demoVG1\/demoLV11 \/dev\/demoVG1\/demoLV01
\nlvremove:\u5220\u9664LV(\u903b\u8f91\u5377)<\/p>\n
\u4f8b\u5982:
\nlvremove \/dev\/demoVG1\/demoLV01 <11>resize2fs\/e2fsadm\/resize_reiserfs:\u7c7b\u4f3c\u4e8eextend\u547d\u4ee4\u3002<\/p>\n
4).\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf<\/p>\n
mkfs.ext4 \/dev\/datavg\/datalv
\nmkfs.ext4 \/dev\/backupvg\/backuplv<\/p>\n
5).\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf<\/p>\n
mount \/dev\/datavg\/datalv \/data
\nmount \/dev\/backupvg\/backuplv \/backup<\/p>\n
\u4fdd\u8bc1\u91cd\u542f\u540e\u8fd8\u80fd\u7528\uff0c\/etc\/fstab\u4e2d\u52a0\u5165<\/p>\n
\/dev\/jira\/jiralv \/var\/lib\/jira ext4 defaults 0 1
\n\/dev\/backup\/backuplv \/var\/lib\/backup ext4 defaults 0 1<\/p>\n
LVM\u76f8\u5173\u547d\u4ee4<\/p>\n
<1>lvmdiskscan:\u68c0\u6d4b\u786c\u76d8\u548c\u5206\u533a\u4e2d\u7684\u903b\u8f91\u5377\u7ba1\u7406\u4fe1\u606f
\n<2>lvmsadc:\u6536\u96c6\u903b\u8f91\u5377\u7684\u8bfb\u5199\u7edf\u8ba1\u4fe1\u606f
\n<3>lvmsar:\u67e5\u770bLVM\u7684\u65e5\u5fd7\u6587\u4ef6\u4fe1\u606f
\n<4>lvmchange:\u590d\u4f4dLVM\u7ec4\u4ef6<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u6982\u5ff5: 1).PV(Physical Volume)\uff1a\u7269\u7406\u5377\uff0c\u5904\u4e8eLVM\u6700\u5e95\u5c42\uff0c\u53ef\u4ee5\u662f\u7269\u7406\u786c\u76d8\u6216\u8005\u5206\u533a\u3002 2).VG(Volume Group)\uff1a\u7269\u7406\u5377\u7ec4\uff0c\u5efa\u7acb\u5728PV\u4e4b\u4e0a\uff0c\u53ef\u4ee5\u542b\u6709\u4e00\u4e2a\u5230\u591a\u4e2aPV\u3002 3).LV(Logical Volume):\u903b\u8f91\u5377\uff0c\u5efa\u7acb\u5728PV\u4e4b\u4e0a\uff0c\u76f8\u5f53\u4e8e\u539f\u6765\u5206\u533a\u7684\u6982\u5ff5\u3002\u4e0d\u8fc7\u5927\u5c0f\u53ef\u52a8\u6001\u6539\u53d8\u3002 4).PE(Physical Extend):\u7269\u7406\u533a\u57df\uff0cPV\u4e2d\u53ef\u4ee5\u7528\u4e8e\u5206\u914d\u7684\u6700\u5c0f\u5b58\u50a8\u5355\u4f4d\uff0c\u53ef\u4ee5\u5728\u5efa\u7acbPV\u65f6\u6307\u5b9a\uff0c\u59821\uff0c2\uff0c4\uff0c8… …64M\uff0c\u540c\u4e00VG\u4e2d\u7684\u6240\u6709PV\u7684PE\u5e94\u8be5\u76f8\u540c\u3002 5).LE(Logical Extend):\u903b\u8f91\u533a\u57df\uff0cLV\u4e2d\u53ef\u4ee5\u7528\u4e8e\u5206\u914d\u7684\u6700\u5c0f\u5b58\u50a8\u5355\u5143\uff0c\u53d6\u51b3\u4e8eLV\u6240\u5728PV\u4e2dPE\u7684\u5927\u5c0f\uff0c\u662fPE\u7684\u6574\u6570\u500d\u3002 6).VGDA(Volume Group Descriptor Area):\u5377\u7ec4\u63cf\u8ff0\u533a\u57df\uff0c\u5b58\u5728\u4e8e\u6bcf\u4e2aPV\u4e2d\uff0c\u7528\u4e8e\u63cf\u8ff0\u8be5PV\u672c\u8eab\u3001PV\u6240\u542bVG\u3001VG\u4e2d\u7684LV\u4ee5\u53caLV\u4e2d\u7684\u7269\u7406\u533a\u57df\u5206\u914d\u7b49\u4fe1\u606f\uff0c\u5728\u4f7f\u7528pvcreate\u547d\u4ee4\u5efa\u7acbPV\u65f6\u5efa\u7acb\u3002 \u4e8c\u3001\u6b65\u9aa4: 1).\u5efa\u7acbLVM\u7c7b\u578b\u7684\u5206\u533a 2).\u5efa\u7acbLVM\u7269\u7406\u5377PV 3).\u5efa\u7acbLVM\u5377\u7ec4VG 4).\u5efa\u7acbLVM\u903b\u8f91\u5377LV 5).\u5efa\u7acb\u6587\u4ef6\u7cfb\u7edf 6).\u6302\u63a5\u6587\u4ef6\u7cfb\u7edf 7).\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf \u4e09\u3001\u793a\u4f8b \u6709\u786c\u76d8sdb\u548csdc\uff0csdb\u6253\u7b97\u5b58\u6570\u636e\u76d8\uff0csdc\u7528\u505a\u6570\u636e\u7684\u5907\u4efd\uff0c\u4e3a\u4e86\u9632\u6b62\u4ee5\u540e\u7a7a\u95f4\u4e0d\u8db3\u7b49\u60c5\u51b5\uff0c\u9700\u8981\u521b\u5efalv\uff0c\u5e76\u5206\u522b\u6302\u8f7d\u5230\/data\u548c\/backup\u4e0b\u3002 1).\u8981\u4f7f\u7528\u65b0\u786c\u76d8\uff0c\u521b\u5efa\u7269\u7406\u5377\uff0c\u8fd9\u91cc\u4f7f\u7528\u6574\u5757\u786c\u76d8 pvcreate \/dev\/sdb pvcreate \/dev\/sdc pvdisplay:\u663e\u793aPV\u5c5e\u6027 pvscan:\u5728\u7cfb\u7edf\u6240\u6709\u786c\u76d8\u4e0a\u67e5\u627ePV pvdata:\u663e\u793a\u67d0\u4e2aPV\u7684\u8be6\u7ec6\u4fe1\u606f 2).\u5c06\u4e24\u5757\u786c\u76d8\u5206\u522b\u521b\u5efa\u5e76\u52a0\u5165\u4e0d\u540c\u7684\u7ec4datavg\u548cbackupvg vgcreate data \/dev\/sdb vgcreate backup \/dev\/sdc vgdisplay:\u663e\u793a\u5377\u7ec4\u7684\u5c5e\u6027 vgscan:\u67e5\u627e\u7cfb\u7edf\u73b0\u6709VG\u5377\u7ec4 vgdata:\u663e\u793aVG\u5377\u7ec4\u4e0a\u7684VGDA\u4fe1\u606f vgchange:\u6539\u53d8VG\u5377\u7ec4\u5c5e\u6027 \u6b64\u547d\u4ee4\u6709\u4e24\u4e2a\u5e38\u7528\u7684\u53c2\u6570: -a:,–available{y|n}:\u5728\u64cd\u4f5cVG\u65f6,\u63a7\u5236\u4e00\u4e2aVG\u7684\u53ef\u4f7f\u7528\u6027,\u6362\u53e5\u8bdd\u8bf4\u63a7\u5236\u4e00\u4e2aVG\u80fd\u5426\u88ab\u7cfb\u7edf\u5185\u6838\u8bc6\u522b\u3002 -x,–allocation{y|n}:\u63a7\u5236\u4e00\u4e2aVG\u80fd\u5426\u88ab\u6269\u5145\u6216\u8005\u7f29\u51cf(\u63a7\u5236\u4e00\u4e2aVG\u5185\u7684PV\u80fd\u5426\u88ab\u5206\u914d)\u3002 vgextend:\u7528\u4e8e\u5411VG\u4e2d\u6dfb\u52a0\u65b0\u7684PV \u5982 vgextend datavg \/dev\/sda6 vgreduce:\u7528\u4e8e\u4eceVG\u4e2d\u5220\u9664PV \u5982 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[156],"class_list":["post-5356","post","type-post","status-publish","format-standard","hentry","category-linux","tag-lvm"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5356"}],"version-history":[{"count":10,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5356\/revisions"}],"predecessor-version":[{"id":7233,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5356\/revisions\/7233"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}