{"id":334,"date":"2013-08-10T16:52:02","date_gmt":"2013-08-10T16:52:02","guid":{"rendered":"2f2b265625d76a6704b08093c652fd79"},"modified":"2013-08-10T16:52:02","modified_gmt":"2013-08-10T16:52:02","slug":"","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/334","title":{"rendered":"linux disk"},"content":{"rendered":"

linux<\/strong><\/p>\n

\u5f53\u524d\u76ee\u5f55\u5373\u4ee5\u4e0b\u76ee\u5f55\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff1a<\/strong><\/span><\/p>\n

#du --max-depth=1 -h <\/span><\/p>\n

\u5206\u533a\u7a7a\u95f4\u60c5\u51b5<\/strong><\/span><\/span><\/p>\n

#df -lh<\/span><\/span><\/p>\n

\u78c1\u76d8\u5206\u533a<\/strong><\/span><\/span><\/p>\n

#fdisk -l<\/span><\/span><\/p>\n

 \u663e\u793a\u903b\u8f91\u5377<\/strong><\/p>\n

 lvdisplay <\/span><\/p>\n

 <\/p>\n

\uff52\uff41\uff49\uff44\uff1c\uff0d\uff30\uff36\uff08\u7269\u7406\u5377\uff09\uff1c\uff0d\uff36\uff27\uff08\u5377\u7ec4\uff09\uff0d\uff1e\uff2c\uff36\uff08\u903b\u8f91\u5206\u533a\uff09<\/p>\n

 <\/p>\n

\u786c\u76d8\u6784\u6210\u7269\u7406\u5377\uff0c\uff2e\u4e2a\uff30\uff36\uff08\u7269\u7406\u5377\uff09\u53ef\u4ee5\u6784\u6210\u4e00\u4e2a\uff36\uff27\uff08\u5377\u7ec4\uff09\uff0cVG\u53ef\u4ee5\u5212\u5206\u6210\u591a\u4e2aLV\uff0c\u6bcf\u4e2aLV\u5bf9\u5e94\u4e00\u4e2a\u76ee\u5f55\uff08df\uff09<\/p>\n

 <\/p>\n

 <\/p>\n

LVM\u2014\u2014\u2014Logical Volume Manager(\u903b\u8f91\u5377\u7ba1\u7406\u5668)\u7684\u7b80\u5199\u3002LVM\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e3a\u5e94\u7528\u4e0e\u7528\u6237\u65b9\u4fbf\u5730\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\u3002\u5728LVM\u7ba1\u7406\u4e0b\u7684\u903b\u8f91\u5377\u53ef\u4ee5\u6309\u9700\u6539\u53d8\u5927\u5c0f\u6216\u6dfb\u52a0\u79fb\u9664\u3002LVM\u4e5f\u5141\u8bb8\u6309\u7528\u6237\u7ec4\u5bf9\u5b58\u50a8\u5377\u8fdb\u884c\u7ba1\u7406\uff0c\u5141\u8bb8\u7ba1\u7406\u5458\u7528\u66f4\u76f4\u89c2\u7684\u540d\u79f0(\u5982\u201dsales\u2019,'development\u2019)\u4ee3\u66ff\u7269\u7406\u78c1\u76d8(\u5982\u2019sda\u2019,'sdb\u2019)\u6765\u6807\u8bc6\u5b58\u50a8\u5377\u3002<\/p>\n\n\n\n\n\n\n\n
 <\/td>\n\n
\u4f20\u7edf\u5206\u533a\u6982\u5ff5<\/div>\n<\/td>\n
\n
LVM\u903b\u8f91\u5377\u7ba1\u7406<\/div>\n<\/td>\n<\/tr>\n
\u78c1\u76d8\u7a7a\u95f4\u72ec\u7acb\u6027<\/td>\n\u4e0d\u80fd\u5145\u5206\u5229\u7528\uff0c\u5c24\u5176\u662f\u4e00\u4e2aFS\u53ea\u80fd\u5bf9\u5e94\u4e00\u4e2a\u5206\u533a<\/td>\n\u591a\u78c1\u76d8PV\u7ec4\u6210\u5b58\u50a8\u6c60VG\uff0c\u518d\u6839\u636e\u5e94\u7528\u7ec6\u5206\u903b\u8f91\u5377LV\uff0c\u7a7a\u95f4\u5229\u7528\u7387\u63d0\u9ad8<\/td>\n<\/tr>\n
\u7a7a\u95f4\u6269\u5c55\u6027<\/td>\n\u91cd\u65b0\u5206\u533a<\/td>\n\u91c7\u53d6\u9759\u6001\u6216\u52a8\u6001\u5728\u7ebf\u6269\u5c55\u5377\u7ec4\u5bb9\u91cf<\/td>\n<\/tr>\n
\u6570\u636e\u5907\u4efd<\/td>\n\u4e1a\u52a1\u7e41\u5fd9\u65f6\uff0cI\/O\u63a5\u53e3\u8bfb\u5199\u9891\u7e41<\/td>\n\u53ef\u91c7\u53d6\u5feb\u7167\u65b9\u5f0f\u6355\u6349\u67d0\u4e00\u903b\u8f91\u5377\u7684\u77ac\u95f4\u7cbe\u786e\u62f7\u8d1d\u5df2\u5b8c\u6210\u5728\u7ebf\u5907\u4efd\u5de5\u4f5c<\/td>\n<\/tr>\n
\u7528\u6237\u4f7f\u7528\u6027<\/td>\n\u5206\u533a\u6807\u8bc6\u65e0\u6cd5\u6ee1\u8db3\u5927\u91cf\u7528\u6237\u8981\u6c42<\/td>\n\u53ef\u6839\u636e\u7528\u6237\u9700\u6c42\u5b9a\u4e49lv\u903b\u8f91\u5377\u7684\u5377\u6807<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4e00\u3001\u521b\u5efaLVM\u7684\u51c6\u5907\u5de5\u4f5c

\n1.\u642d\u5efa\u73af\u5883\uff1aOS:RHEL5.3

\nLVM\u5305

\nIDE\u78c1\u76d8\/dev\/hdb(1024MB),\/dev\/hdd(1024MB)

\n2.\u8f6c\u6362\u78c1\u76d8\u5206\u533a\u2014\u2014>lvm\u5377\u5206\u533a

\n\u6700\u7ec8\u65b9\u6848\uff1a\/dev\/hdb \u2014\u2014> \u521b\u5efa  \/dev\/hdb1(Id:5,System:Extended)

\n\/dev\/hdb5(Id:8e,System:Linux LVM)

\n\/dev\/hdd \u2014\u2014> \u521b\u5efa  \/dev\/hdd1(Id:5,System:Extended)

\n\/dev\/hdd5(Id:8e,System:Linux LVM)

\n\u64cd\u4f5c\uff1a(\u4ec5\u4ee5\/dev\/hdb\u4e3a\u4f8b)<\/div>\n\n\n\n
<\/code> <\/p>\n

 <\/p>\n

#fdisk \/dev\/hdb

\n#p(\u663e\u793a\u5206\u533a\u60c5\u51b5)\u2014\u2014>#n(\u65b0\u5efa\u5206\u533a)\u2014\u2014>#e(\u521b\u5efa\u6269\u5c55\u5206\u533a)\u2014\u2014>#l(\u521b\u5efa\u903b\u8f91\u5206\u533a)

\n#\u6b64\u5904\u4e3a\u5b9e\u9a8c\u73af\u5883\u65b9\u4fbf\u540e\u9762\u7684\u589e\u51cf\u64cd\u4f5c\uff0c\u6240\u4ee5\u6211\u4eec\u5c06\/dev\/hdb\u5168\u90e8\u5212\u5206\u4e3a\u4e00\u4e2a\u5206\u533a

\n#t(\u8bbe\u7f6e\u78c1\u76d8Hex code)\u2014\u2014>#8e(LinuxLVM)\u2014\u2014>#w(\u4fdd\u5b58\u64cd\u4f5c)

\n#p<\/div>\n
Disk \/dev\/hdb: 1073 MB, 1073741824 bytes

\n16 heads, 63 sectors\/track, 2080 cylinders

\nUnits = cylinders of 1008 * 512 = 516096 bytes

\nDevice Boot      Start     End      Blocks      Id     System

\n\/dev\/hdb1          1       2080     1048288+     5     Extended

\n\/dev\/hdb5          1       2080     1048257      8e    Linux LVM

\n#partprobe (\u6b64\u547d\u4ee4\u8ba9kernel\u4f1a\u91cd\u65b0\u8bfb\u53d6\u78c1\u76d8\u5206\u533a\u8868\uff0c\u4fee\u6539\u751f\u6548)<\/strong><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4e8c\u3001\u521b\u5efaLVM

\n<\/span>1.\u521b\u5efaPV\u76d8

\n\u65b9\u6848\uff1a   \/dev\/hdb \u2014\u2014> lvm2[1024MB]

\n\/dev\/hdd \u2014\u2014> lvm2[1024MB]<\/span><\/div>\n
\u64cd\u4f5c:<\/strong><\/div>\n\n\n\n
\n
#pvcreate \/dev\/hdb5 \/dev\/hdd5

\n#pvscan

\n#pvdisplay<\/div>\n
\u201c\/dev\/hdb5\u2033 is a new physical volume of \u201c1023.69 MB\u201d

\n\u2014 NEW Physical volume \u2014

\nPV Name               \/dev\/hdb5

\nVG Name

\nPV Size               1023.69 MB

\nAllocatable           NO

\nPE Size (KByte)       0

\nTotal PE              0

\nFree PE               0

\nAllocated PE          0

\nPV UUID               zM7103-SJg4-ZjOb-BeL0-dlR1-HHh6-HCG8kG<\/div>\n
\u201c\/dev\/hdd5\u2033 is a new physical volume of \u201c1023.69 MB\u201d

\n\u2014 NEW Physical volume \u2014

\nPV Name               \/dev\/hdd5

\nVG Name

\nPV Size               1023.69 MB

\nAllocatable           NO

\nPE Size (KByte)       0

\nTotal PE              0

\nFree PE               0

\nAllocated PE          0

\nPV UUID               hAk1Dx-QulA-YV4G-p8wa-7sWw-FiaC-10GorS<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
2.\u521b\u5efaVG\u5b58\u50a8\u6c60

\n\u65b9\u6848\uff1a   lvm2(\/dev\/hdb)\u2014\u2014> vg1

\nlvm2(\/dev\/hdd)\u2014\u2014> vg2

\n\u64cd\u4f5c\uff1a<\/strong><\/div>\n\n\n\n
\n
#vgcreate vg1 \/dev\/hdb5

\n#vgcreate vg2 \/dev\/hdd5

\n#vgscan

\n#vgdisplay<\/div>\n
\u2014 Volume group \u2014

\nVG Name               vg2

\nSystem ID

\nFormat                lvm2

\nMetadata Areas        1

\nMetadata Sequence No  1

\nVG Access             read\/write

\nVG Status             resizable

\nMAX LV                0

\nCur LV                0

\nOpen LV               0

\nMax PV                0

\nCur PV                1

\nAct PV                1

\nVG Size           1020.00 MB

\nPE Size           4.00 MB

\nTotal PE          255<\/strong>

\nAlloc PE \/ Size       0 \/ 0

\nFree  PE \/ Size       255 \/ 1020.00 MB

\nVG UUID               Wa4Jo8-k3xY-BTng-uV6j-0Ee1-Vp8b-fNVrhQ<\/div>\n
\u2014 Volume group \u2014

\nVG Name               vg1

\nSystem ID

\nFormat                lvm2

\nMetadata Areas        1

\nMetadata Sequence No  1

\nVG Access             read\/write

\nVG Status             resizable

\nMAX LV                0

\nCur LV                0

\nOpen LV               0

\nMax PV                0

\nCur PV                1

\nAct PV                1

\nVG Size           1020.00 MB

\nPE Size           4.00 MB

\nTotal PE          255<\/strong>

\nAlloc PE \/ Size       0 \/ 0

\nFree  PE \/ Size       255 \/ 1020.00 MB

\nVG UUID               UGjfZd-shth-ZRTU-sVVm-MD0s-wzVB-zd7Uwt<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
3.\u5206\u914dLV\u903b\u8f91\u5377

\n\u65b9\u6848\uff1a   work(\/dev\/hdb5)\u2014\u2014> vg1

\nStudy(\/dev\/hdd5)\u2014\u2014> vg2

\n\u64cd\u4f5c\uff1a<\/strong><\/div>\n\n\n\n
#lvcreate \u2013L 500M \u2013n work vg1
\n#lvcreate \u2013L 500M \u2013n study vg2
\n#lvscan
\n#lvdisplay<\/p>\n

 <\/p>\n

--- Logical volume ---
\nLV Name                \/dev\/vg2\/study
\nVG Name                vg2
\nLV UUID                53VT9v-dyp0-lSST-eDFz-w2Ns-Os0Z-ERnqVU
\nLV Write Access        read\/write
\nLV Status              available
\n# open                 0
\nLV Size            500.00 MB
\nCurrent LE         125
\nSegments               1
\nAllocation             inherit
\nRead ahead sectors     auto
\n- currently set to     256
\nBlock device           253:1<\/code><\/div>\n
--- Logical volume ---
\nLV Name                \/dev\/vg1\/work
\nVG Name                vg1
\nLV UUID                lhgKVg-hi95-W9gw-wOkZ-uyuy-BgZp-RrsCcA
\nLV Write Access        read\/write
\nLV Status              available
\n# open                 0
\nLV Size            500.00 MB
\nCurrent LE         125
\nSegments               1
\nAllocation             inherit
\nRead ahead sectors     auto
\n- currently set to     256
\nBlock device           253:0<\/code><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4.\u5206\u533a\u683c\u5f0f\u5316<\/div>\n\n\n\n
\n
#mkfs.ext3 \/dev\/vg1\/work         \/\/\u6216 #mkfs -j \/dev\/vg1\/work

\n#mkfs.ext3 \/dev\/vg2\/study        \/\/...

\n#df \u2013l<\/code><\/code> <\/p>\n

 <\/p>\n

Disk \/dev\/hda: 8589 MB, 8589934592 bytes

\n255 heads, 63 sectors\/track, 1044 cylinders

\nUnits = cylinders of 16065 * 512 = 8225280 bytes<\/p>\n

Device Boot Start End  Blocks   Id System

\n\/dev\/hda1 *<\/strong> 1    32   257008+  83  Linux

\n\/dev\/hda2     33    97   522112+  83  Linux

\n\/dev\/hda3     98    358  2096482+ 83  Linux

\n\/dev\/hda4     359   1044 5510295  5  Extended

\n\/dev\/hda5     359   549  1534176  83  Linux

\n\/dev\/hda6     550   848  2401686  83  Linux

\n\/dev\/hda7     849   913  522081   82  Linux swap \/ Solaris

\n\/dev\/hda8     914   978  522081   83  Linux

\n\/dev\/hda9     979   1043 522081   83  Linux<\/p>\n

Disk \/dev\/hdb: 1073 MB, 1073741824 bytes

\n16 heads, 63 sectors\/track, 2080 cylinders

\nUnits = cylinders of 1008 * 512 = 516096 bytes<\/p>\n

Device Boot Start End   Blocks Id System

\n\/dev\/hdb1       1    2080 1048288+ 5 Extended

\n\/dev\/hdb5     1    2080 1048257 8e Linux LVM<\/strong><\/p>\n

Disk \/dev\/hdd: 1073 MB, 1073741824 bytes

\n16 heads, 63 sectors\/track, 2080 cylinders

\nUnits = cylinders of 1008 * 512 = 516096 bytes<\/p>\n

Device   Boot Start End   Blocks  Id  System

\n\/dev\/hdd1       1   2080 1048288+  5   Extended

\n\/dev\/hdd5     1   2080 1048257   8e  Linux LVM<\/strong><\/code><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

5.\u6302\u8f7d\u65b0\u5206\u533a<\/div>\n

 <\/p>\n

#mkdir ..\/home\/work ..\/home\/study

\n#mount ..\/dev\/vg1\/work ..\/home\/work

\n#mount ..\/dev\/vg2\/study ..\/home\/study

\n#df \u2013Th<\/span><\/code><\/code> <\/p>\n

 <\/p>\n

Filesystem  Type  Size Used Avail Use% Mounted on

\n\/dev\/hda2   ext3 494M 212M 257M  46%   \/

\n\/dev\/hda9   ext3 494M 45M 425M   10%   \/var

\n\/dev\/hda8   ext3 494M 11M 458M   3%    \/opt

\n\/dev\/hda6   ext3 2.3G 68M 2.1G   4%    \/home

\n\/dev\/hda3   ext3 2.0G 1.7G 182M  91%   \/usr

\n\/dev\/hda5   ext3 1.5G 35M 1.4G   3%    \/usr\/local

\n\/dev\/hda1   ext3 244M 12M 219M   6%    \/boot

\ntmpfs       tmpfs 125M 0  125M   0%    \/dev\/shm<\/code><\/p>\n<\/div>\n



\n\/dev\/mapper\/vg1-work

\next3  485M 11M 449M  3%    \/home\/work

\n\/dev\/mapper\/vg2-study

\next3  485M 11M 449M  3%    \/home\/study<\/span><\/strong><\/code><\/div>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\u8d44\u6599\uff1a<\/p>\n

http:\/\/www.cnblogs.com\/wangkangluo1\/archive\/2012\/06\/08\/2541161.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

linux<\/strong><\/p>\n

\u5f53\u524d\u76ee\u5f55\u5373\u4ee5\u4e0b\u76ee\u5f55\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff1a<\/strong><\/span><\/p>\n

#du --max-depth=1 -h <\/span><\/p>\n

\u5206\u533a\u7a7a\u95f4\u60c5\u51b5<\/strong><\/span><\/span><\/p>\n

#df -lh<\/span><\/span><\/p>\n

\u78c1\u76d8\u5206\u533a<\/strong><\/span><\/span><\/p>\n

#fdisk -l<\/span><\/span><\/p>\n

 <\/p>\n

 <\/p>\n

\u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[287],"tags":[140,14,13],"class_list":["post-334","post","type-post","status-publish","format-standard","hentry","category-linux","tag-disk","tag-fdisk","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=334"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/334\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}