{"id":88,"date":"2012-08-22T20:23:35","date_gmt":"2012-08-22T12:23:35","guid":{"rendered":"http:\/\/www.hzaumycology.com\/chenlianfu_blog\/?p=88"},"modified":"2012-08-22T22:11:00","modified_gmt":"2012-08-22T14:11:00","slug":"%e5%ad%a6%e4%b9%a0-linux-lvm","status":"publish","type":"post","link":"http:\/\/www.chenlianfu.com\/?p=88","title":{"rendered":"\u5b66\u4e60 Linux LVM"},"content":{"rendered":"

1,\u9996\u5148\uff0c\u4e86\u89e3\u76f8\u5173\u7684\u672f\u8bed\uff0c\u53c2\u8003\u4e0b\u8868\uff1a<\/h1>\n
*************************** 1. row ***************************\r\n\u82f1\u6587\u7b80\u79f0: LVM\r\n\u4e2d\u6587\u540d\u79f0: \u903b\u8f91\u5377\u7ba1\u7406\r\n\u82f1\u6587\u5168\u79f0: Logic Volume Management\r\n    \u89e3\u91ca: LVM\u80fd\u5c06\u4e0d\u540c\u7684\u7269\u7406\u5377\uff08\u5373\u7c7b\u578b\u4e3a8E\uff0c\u65e0\u6587\u4ef6\u7cfb\u7edf\u7684LVM\u5206\u533a\uff09\u6574\u5408\u5230\u4e00\u8d77\uff0c\u5408\u5e76\r\n\u6210\u4e00\u4e2a\u5927\u5206\u533a\uff08\u65e0\u8bba\u8fd9\u4e9b\u5c0f\u7684LVM\u5206\u533a\u662f\u5426\u5728\u4e00\u4e2a\u78c1\u76d8\u4e0a\uff09\uff0c\u8fd9\u4e2a\u5927\u5206\u533a\u79f0\u4e3a\u5377\u7ec4\u3002\u7136\u540e\u5728\u8fd9\u4e2a\r\n\u5927\u5206\u533a\u4e0a\u521b\u5efa\u903b\u8f91\u5377\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u968f\u65f6\u5e76\u5165\u65b0\u7684\u7269\u7406\u5377\uff0c\u589e\u52a0\u5927\u5206\u533a\uff0c\u7136\u540e\u968f\u65f6\u6269\u589e\r\nLVM\u4e0b\u7684\u903b\u8f91\u5377\u5927\u5c0f\u800c\u4e0d\u9700\u8981\u91cd\u542f\u7cfb\u7edf\u3002\r\n*************************** 2. row ***************************\r\n\u82f1\u6587\u7b80\u79f0: PV\r\n\u4e2d\u6587\u540d\u79f0: \u7269\u7406\u5377\r\n\u82f1\u6587\u5168\u79f0: Physical Volume\r\n    \u89e3\u91ca: \u786c\u76d8\u4e0a\u7684\u5206\u533a\r\n*************************** 3. row ***************************\r\n\u82f1\u6587\u7b80\u79f0: LG\r\n\u4e2d\u6587\u540d\u79f0: \u903b\u8f91\u5377\r\n\u82f1\u6587\u5168\u79f0: Logic Volume\r\n    \u89e3\u91ca: \u5c06\u4e00\u4e2a\u5927\u533a\u518d\u8fdb\u884c\u5206\u533a\u6240\u5f97\u7684\u5206\u533a\uff0c\u4e3a\u903b\u8f91\u5377\u3002\u5728LVM\u4e2d\u5c06\u5f88\u591a\u7269\u7406\u5377(PV)\u5408\u5e76\r\n\u6210\u5377\u7ec4(VG),\u5728\u5bf9\u8fd9\u4e2a\u5927\u7684\u5377\u7ec4\u8fdb\u884c\u5206\u533a\u5f97\u5230\u903b\u8f91\u5377(LV)\u3002\u903b\u8f91\u5377\u624d\u53ef\u4ee5\u88ab\u683c\u5f0f\u5316\uff0c\u6302\u8f7d\u8fdb\r\n\u884c\u6570\u636e\u8bfb\u5199\u3002\r\n*************************** 4. row ***************************\r\n\u82f1\u6587\u7b80\u79f0: VG\r\n\u4e2d\u6587\u540d\u79f0: \u5377\u7ec4\r\n\u82f1\u6587\u5168\u79f0: Volume Group\r\n    \u89e3\u91ca: \u5377\u7ec4\u5305\u542b\u5355\u4e2a\u6216\u591a\u4e2a\u7269\u7406\u5377<\/pre>\n
2, \u63a5\u7740\u638c\u63e1\u76f8\u5173\u547d\u4ee4\uff0c\u53c2\u8003\u4e0b\u8868\uff1a<\/h1>\n
*************************** 1. row ***************************\r\n      command: cfdisk\r\n     parmeter: \u78c1\u76d8\u5206\u533a\u5de5\u5177,\u56fe\u5f62\u5316\u754c\u9762,\u6ce8\u610fType\u9009\u9879,\u9009\u62e98E\u5373\u4e3aLVM\u5206\u533a\r\nusage_example: \u56fe\u5f62\u5316\u754c\u9762,\u770b\u4e4b\u5373\u61c2\r\n*************************** 2. row ***************************\r\n      command: pvcreate\r\n     parmeter: \u5c06\u73b0\u6709\u7684\u5206\u533a\u521d\u59cb\u5316\u6210\u7528\u4e8eLVM\u7684\u7269\u7406\u5377\r\nusage_example: pvcreate \/dev\/sda1\r\n*************************** 3. row ***************************\r\n      command: vgcreate\r\n     parmeter: \u4f7f\u7528\u7269\u7406\u5377\u521b\u5efa\u51fa\u4e00\u4e2a\u5377\u7ec4,-s\u53c2\u6570\u80fd\u8bbe\u5b9a\u589e\u91cf\u5355\u4f4d\r\nusage_example: vgcreate -s 32M vg_hzaumycology \/dev\/sda2,\u521b\u5efa\u4e00\u4e2a\u5377\r\n\u7ec4vg_hzaumycology,\u5e76\u5c06\/dev\/sda2\u52a0\u5165\u5230\u5377\u7ec4\u3002\r\n*************************** 4. row ***************************\r\n      command: vgextend\r\n     parmeter: \u5c06\u4e00\u4e2a\u7269\u7406\u5377\u52a0\u5165\u5230\u5377\u7ec4\u4e2d\r\nusage_example: vgextend vg_hzaumycology \/dev\/sdb1,\u8be5\u547d\u4ee4\u5c06\u7269\u7406\u5377\/dev\r\n\/sdb1\u52a0\u5165\u5230\u5377\u7ec4vg_hzaumycology\u4e2d\u3002\r\n*************************** 5. row ***************************\r\n      command: lvcreate\r\n     parmeter: \u5728\u5377\u7ec4\u4e0a\u521b\u5efa\u903b\u8f91\u5377(LV), -L \u6307\u5b9a\u521b\u5efaLV\u5927\u5c0f, -n LV\u7684\u540d\u5b57\r\nusage_example: lvcreate -L 300G -n vg_hzaumycology-lv_home vg_hza\r\numycology,\u5728\u5377\u7ec4vg_hzaumycology\u4e0a\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a500G\u7684\u903b\u8f91\u5377\uff0c\u5377\u540d\u4e3avg_hz\r\naumycology-lv_home\u3002\r\n*************************** 6. row ***************************\r\n      command: vgdisplay\r\n     parmeter: \u67e5\u770b\u73b0\u6709\u7684\u5377\u7ec4\u60c5\u51b5\r\nusage_example: vgdisplay\u5377\u7ec4\u72b6\u6001\r\n*************************** 7. row ***************************\r\n      command: mkfs.ext4\r\n     parmeter: \u683c\u5f0f\u5316\u5de5\u5177,\u6309\u9ed8\u8ba4\u53c2\u6570\u683c\u5f0f\u5316\u5206\u533a\u5373\u53ef\r\nusage_example: mkfs.ext4 \/dev\/vg_hzaumycology\/vg_hzaumycology-lv_\r\nhome,\u5c06\u5377\u7ec4\u4e2d\u7684\u903b\u8f91\u5377\u683c\u5f0f\u5316\u6210ext4\u6587\u4ef6\u7cfb\u7edf\uff0c\r\n*************************** 8. row ***************************\r\n      command: lvextend\r\n     parmeter: \u589e\u52a0\u903b\u8f91\u5377\u7684\u7a7a\u95f4 -L\u540e\u63a5+1G,\u8868\u793a\u589e\u52a01G\u7a7a\u95f4, -L\u540e\u63a51G,\u8868\u793a\u8fd9\r\n\u4e2aLV\u7684\u7a7a\u95f4\u662f\u591a\u5c11\r\nusage_example: lvextend -L +500G \/dev\/vg_hzaumycology\/vg_hzaumyco\r\nlogy-lv_home,\u5c06\u8be5\u903b\u8f91\u5377\u6269\u589e500G\u7a7a\u95f4\u3002\r\n*************************** 9. row ***************************\r\n      command: df\r\n     parmeter: \u67e5\u770b\u78c1\u76d8\u4f7f\u7528\u72b6\u51b5\r\nusage_example: df -m,\u67e5\u770b\u7684\u78c1\u76d8\u5927\u5c0f\u4ee5M\r\n*************************** 10. row ***************************\r\n      command: resize2fs\r\n     parmeter: \u6269\u5145\u6587\u4ef6\u7cfb\u7edf\r\nusage_example: reisize2fs \/dev\/vg_hzaumycology\/vg_hzaumycology-lv\r\n_home,\u6269\u5145\u8be5\u903b\u8f91\u5377,\u548clvextend\u547d\u4ee4\u914d\u5408\u6765\u589e\u52a0\u78c1\u76d8\u7a7a\u95f4,\u5bf9\u5e94\u7684\u6587\u4ef6\u7cfb\u7edf\u4e3aext4\u3002\r\n*************************** 11. row ***************************\r\n      command: resize2fs_\r\n     parmeter: \u6269\u5145\u6587\u4ef6\u7cfb\u7edf\r\nusage_example: reisize_reiserfs \/dev\/vg_hzaumycology\/vg_hzaumycol\r\nogy-lv_home,\u6269\u5145\u8be5\u903b\u8f91\u5377,\u548clvextend\u547d\u4ee4\u914d\u5408\u6765\u589e\u52a0\u78c1\u76d8\u7a7a\u95f4,\u4e0d\u8fc7\u5bf9\u5e94\u7684\u6587\u4ef6\u7cfb\r\n\u7edf\u4e3aReiserFS\u3002<\/pre>\n
3, \u7136\u540e\uff0c\u6309\u6b65\u9aa4\u4e86\u89e3LVM\u673a\u5236\u3002\u4ee5\u5728CentOS6.2\u4e0a\u6dfb\u7f6e\u4e00\u4e2a3TB\u786c\u76d8\u4e3a\u4f8b\u3002<\/h1>\n
<1> \u5b89\u88c5\u9700\u8981\u7684\u8f6f\u4ef6\u548c\u7a0b\u5e8f<\/h1>\n
#yum install cfdisk \r\n\u5b89\u88c5cfdisk\u3002CentOS6.2\u9ed8\u8ba4\u6ca1\u6709cfdisk\u8fd9\u4e2a\u547d\u4ee4\uff0c\u5148\u5b89\u88c5\u8be5\u547d\u4ee4\u3002<\/pre>\n
<2> \u78c1\u76d8\u5206\u533a\uff0c\u521b\u5efa\u7269\u7406\u5377<\/h2>\n
\u4f7f\u7528cfdisk\u547d\u4ee4\u6765\u521b\u5efatype\u4e3a8E\u7684LVM\u7269\u7406\u5377(PV)\u3002\r\n\u4f7f\u7528cfdisk\u547d\u4ee4\u5c063TB\u786c\u76d8\u5206\u4e3a\/dev\/sdb1(type\u4e3a8E)\u548c\/dev\/sdb2(Type\u4e3a83)\r\n\u4e24\u4e2a\u5206\u533a\uff0c\u5927\u5c0f\u90fd\u4e3a1500G\u3002\r\npartprobe \u5f3a\u5236\u8ba9\u6838\u5fc3\u91cd\u65b0\u6355\u6349\u4e00\u6b21 partition table.<\/pre>\n
<3> \u521b\u5efa\u5377\u7ec4(VG)<\/h2>\n
\u4f7f\u7528vgcreate\u521b\u5efa\u4e00\u4e2a\u5377\u7ec4\u3002\r\nCentOS6.2\u7cfb\u7edf\u5728\u88c5\u673a\u662f\u4f7f\u7528\u7684\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u5c06\/dev\/sda1\u8bbe\u4e3a\u4e3b\u5206\u533a\uff0c\u4e0d\u5c5e\u4e8eLVM\uff0c\r\n\u6302\u8f7d\u5230CentOS6.2\u7cfb\u7edf\/boot\u76ee\u5f55\u4e0b\uff0c\u7528\u4e8e\u7cfb\u7edf\u7684\u542f\u52a8\uff1b\u5c06\/dev\/sda2\u5206\u533a\u52a0\u5165\u5377\r\n\u7ec4\u3002\r\n#vgcreate vg_hzaumycology \/dev\/sda2;<\/pre>\n
<4> \u521b\u5efa\u903b\u8f91\u5377(LV)<\/h2>\n
\u4f7f\u7528lvcreate\u521b\u5efa\u903b\u8f91\u5377\u3002\r\nCentOS6.2\u9ed8\u8ba4\u521b\u5efa\u4e863\u4e2a\u903b\u8f91\u5377(LV)\u3002\r\n#lvcreate -L 50G -n vg_hzaumycology-lv_root vg_hzaumycology; \r\n#lvcreate -L 300G -n vg_hzaumycology-lv_home vg_hzaumycology; \r\n#lvcreate -L 32G -n vg_hzaumycology-lv_swap vg_hzaumycology; \r\n\u903b\u8f91\u5377\u5728CentOS6.2\u7cfb\u7edf\u4e2d\u5bf9\u5e94\u7684\u4f4d\u7f6e\u4e3a\"\/dev\/\u5377\u7ec4\u540d\/\u903b\u8f91\u5377\u540d\"\u3002<\/pre>\n
\u00a0<5> \u683c\u5f0f\u5316\u903b\u8f91\u5377<\/h2>\n
\u4f7f\u7528mkfs.ext4\u5728\u903b\u8f91\u5377\u4e0a\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\u3002\r\n#mkfs.ext4 \/dev\/vg_hzaumycology\/vg_hzaumycology-lv_root;\r\n#mkfs.ext4 \/dev\/vg_hzaumycology\/vg_hzaumycology-lv_home;<\/pre>\n
<6> \u5c06\u53e6\u5916\u4e00\u4e2a\u7269\u7406\u5377\u52a0\u5165\u5230\u5377\u7ec4\u4e2d<\/h2>\n
\u4f7f\u7528vgdisplay\u547d\u4ee4\u67e5\u770bVG\uff0c\u4f7f\u7528vgextend\u547d\u4ee4\u5c06\u7269\u7406\u5377\u52a0\u5165\u5230\u5377\u7ec4\u4ece\u800c\u6269\u589e\u5377\u7ec4\r\n\u5927\u5c0f\u3002\r\n#vgdisplay;\u67e5\u770b\u5230\u7cfb\u7edf\u9ed8\u8ba4\u521b\u5efa\u7684\u5377\u7ec4vg_hzaumycology  \r\n#lvdisplay;\u67e5\u770b\u5230\u7cfb\u7edf\u67093\u4e2a\u903b\u8f91\u5377vg_hzaumycology-lv_root, lvcreate \r\nvg_hzaumycology-lv_home\u548cvg_hzaumycology-lv_swap\u5206\u522b\u5bf9\u5e94\u8fd9\u7cfb\u7edf\u7684\r\n\/root,\/home\u76ee\u5f55\u548cSWAP\u5206\u533a\u3002#vgextend vg_hzaumycology \/dev\/sdb1; \r\n\u5c06\u7b2c\u4e8c\u5757\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u5206\u533a1500G\u7684\u7a7a\u95f4\u52a0\u5165\u5230\u5377\u7ec4vg_hzaumycology\u4e2d\u3002<\/pre>\n
<7> \u6269\u589e\u903b\u8f91\u5377\u7684\u5bb9\u91cf<\/h2>\n
\u6709\u4e86\u7269\u7406\u5377\u7684\u52a0\u5165\uff0c\u5229\u4e8e\u903b\u8f91\u5377\u7684\u6269\u589e\uff0c\u4f7f\u7528\u547d\u4ee4lvextend\u548cresize2fs\u6765\u6269\u589e\u903b\r\n\u8f91\u5377\u3002\r\n#lvextend -L +500G \/dev\/vg_hzaumycology\/vg_hzaumycology-lv_\r\nhome; \u7ed9\u903b\u8f91\u5377vg_hzaumycology-lv_home\u589e\u52a0500G\u7a7a\u95f4\u3002\r\n#resize2fs \/dev\/vg_hzaumycology\/vg_hzaumycology-lv_home; \u91cd\u65b0\r\n\u7ed9\u903b\u8f91\u5377\u5b9a\u5927\u5c0f\uff0c\u8fd9\u4e00\u6b65\u9700\u8981\u8bb8\u591a\u65f6\u95f4\uff0c\u56e0\u4e3a500G\u7a7a\u95f4\u8f83\u5927\u3002\u5b8c\u6bd5\u4f7f\u7528df -m\u547d\u4ee4\u67e5\r\n\u770b\u78c1\u76d8\u5206\u533a\u72b6\u51b5\uff0c\u624d\u80fd\u770b\u5230\u78c1\u76d8\u5bb9\u91cf\u53d8\u5927\u3002<\/pre>\n
<8> \u4e3a\u7b2c\u4e8c\u5757\u78c1\u76d8\u7684\u7b2c\u4e8c\u4e2a\u5206\u533a\/dev\/sdb2\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\u5e76\u5728\u5f00\u673a\u81ea\u52a8\u6302\u8f7d\u5230\u6307\u5b9a\u4f4d\u7f6e<\/h2>\n
#mkfs.ext4 \/dev\/sdb2; \u5c06\/dev\/sdb2\u683c\u5f0f\u5316\uff0c\u521b\u5efa\u6587\u4ef6\u7cfb\u7edfext4\u3002 \r\n#mkdir \/bioinformatic; chown chenlianfu:chenlianfu \/bioinform\r\natics; \r\n#chmod 750 \/bioinformatics; \u521b\u5efa\u6587\u4ef6\u5939bioinformatics\u5e76\u4fee\u6539\u6743\u9650\u7528\u4e8e\r\n\u6302\u8f7d\/dev\/sdb2\u3002\u6dfb\u52a0\u201c\/dev\/sdb2 \/bioinformatics ext4 uid=500,gid=\r\n501 1 2\u201d\u5230\/etc\/fstab\u4e2d\u3002\r\n\r\n\u5c063TB\u78c1\u76d8\u5206\u4e3a2\u4e2a1.5TB\u5206\u533a,\u5176\u4e2d\u4e00\u4e2a\u5206\u533a\u6574\u5408\u5230LVM\u4e2d,\u53e6\u5916\u4e00\u4e2a\u5206\u533a\u4e0d\u6574\u5408\u5230LVM\r\n\u800c\u5355\u72ec\u4e3a\u4e00\u4e2a\u533a\u3002\u4ee5\u540e\u91cd\u88c5\u7cfb\u7edf\u5230\u6b643TB\u78c1\u76d8\u7684\u65f6\u5019\uff0c\u597d\u5c06\u6587\u4ef6\u5907\u4efd\u5230\u5206\u533a2\u4e2d\uff0c\u4ee5\u907f\u514d\r\n\u91cd\u8981\u6587\u4ef6\u7684\u4e22\u5931\u3002<\/pre>\n
 <\/p>\n
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