{"id":24,"date":"2007-07-13T02:19:47","date_gmt":"2007-07-12T17:19:47","guid":{"rendered":"http:\/\/192.168.24.51\/topics\/?p=24"},"modified":"2007-07-13T02:19:47","modified_gmt":"2007-07-12T17:19:47","slug":"%ef%bc%88linuxlvm2%e3%81%ae%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/chidipy.jpn.com\/topics\/?p=24","title":{"rendered":"\uff08linux)LVM2\u306e\u64cd\u4f5c\u65b9\u6cd5"},"content":{"rendered":"

\u3044\u307e\u3055\u3089\u306a\u304c\u3089LVM2\u306e\u64cd\u4f5c\u65b9\u6cd5
\n\u25cb\u691c\u8a3c\u74b0\u5883\u4f5c\u6210<\/p>\n

# dd if=\/dev\/zero of=\/var\/tmp\/mounttest1 count=128 bs=1024k
\n# ls -l \/var\/tmp\/mounttest1
\n-rw-r–r– 1 root root 134217728 7\u6708 12 09:29 \/var\/tmp\/mounttest1<\/p><\/blockquote>\n

\u7a7a\u3044\u3066\u308b\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u306e\u78ba\u8a8d<\/p>\n

# losetup \/dev\/loop0
\nloop: \u30c7\u30d0\u30a4\u30b9 \/dev\/loop0 \u306e\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u305b\u3093: \u305d\u306e\u3088\u3046\u306a\u30c7\u30d0\u30a4\u30b9\u3084\u30a2\u30c9\u30ec\u30b9\u306f\u3042\u308a\u307e\u305b\u3093<\/p><\/blockquote>\n

\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u3068\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u3092\u8a2d\u5b9a<\/p>\n

# losetup \/dev\/loop0 \/var\/tmp\/mounttest1
\n# losetup \/dev\/loop0
\n\/dev\/loop0: [fd00]:146028 (\/var\/tmp\/mounttest1)<\/p><\/blockquote>\n

\u25cb lvm\u7528\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u4f5c\u6210<\/strong>
\nfdisk\u3000\u3067\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3002\u30b7\u30b9\u30c6\u30e0\u30bf\u30a4\u30d7\u3092linux LVM\u306b\u3059\u308b<\/p>\n

# fdisk \/dev\/loop0
\n\u30b3\u30de\u30f3\u30c9 (m \u3067\u30d8\u30eb\u30d7): n
\n\u30b3\u30de\u30f3\u30c9\u30a2\u30af\u30b7\u30e7\u30f3
\ne \u62e1\u5f35
\np \u57fa\u672c\u9818\u57df (1-4)
\np
\n\u9818\u57df\u756a\u53f7 (1-4): 1
\n\u6700\u521d \u30b7\u30ea\u30f3\u30c0 (1-16, default 1):
\nUsing default value 1
\n\u7d42\u70b9 \u30b7\u30ea\u30f3\u30c0 \u307e\u305f\u306f +\u30b5\u30a4\u30ba \u307e\u305f\u306f +\u30b5\u30a4\u30baM \u307e\u305f\u306f +\u30b5\u30a4\u30baK (1-16, default 16):
\nUsing default value 16<\/p><\/blockquote>\n

\u3053\u3093\u306a\u611f\u3058\u3067\u4f5c\u6210
\n\/dev\/loop0p1 128M<\/p>\n

\u30b7\u30b9\u30c6\u30e0\u30bf\u30a4\u30d7\u306e\u756a\u53f7\u3092\u78ba\u8a8d
\n\u30b3\u30de\u30f3\u30c9 (m \u3067\u30d8\u30eb\u30d7):l
\n8e Linux LVM
\n\u30b7\u30b9\u30c6\u30e0\u30bf\u30a4\u30d7\u3092\u5909\u66f4
\n\u30b3\u30de\u30f3\u30c9 (m \u3067\u30d8\u30eb\u30d7): t
\nSelected partition 1
\n16\u9032\u6570\u30b3\u30fc\u30c9 (L \u30b3\u30de\u30f3\u30c9\u3067\u30b3\u30fc\u30c9\u30ea\u30b9\u30c8\u8868\u793a): 8e
\n\u9818\u57df\u306e\u30b7\u30b9\u30c6\u30e0\u30bf\u30a4\u30d7\u3092 1 \u304b\u3089 8e (Linux LVM) \u306b\u5909\u66f4\u3057\u307e\u3057\u305f
\n\u30b3\u30de\u30f3\u30c9 (m \u3067\u30d8\u30eb\u30d7): p
\nDisk \/dev\/loop0: 134 MB, 134217728 bytes
\n255 heads, 63 sectors\/track, 16 cylinders
\nUnits = \u30b7\u30ea\u30f3\u30c0\u6570 of 16065 * 512 = 8225280 bytes
\n\u30c7\u30d0\u30a4\u30b9 Boot Start End Blocks Id System
\n\/dev\/loop0p1 1 16 128488+ 8e Linux LVM<\/p><\/blockquote>\n

\u66f8\u304d\u8fbc\u307f<\/p>\n

\u30b3\u30de\u30f3\u30c9 (m \u3067\u30d8\u30eb\u30d7): w
\n\u9818\u57df\u30c6\u30fc\u30d6\u30eb\u306f\u4ea4\u63db\u3055\u308c\u307e\u3057\u305f\uff01
\nioctl() \u3092\u547c\u3073\u51fa\u3057\u3066\u9818\u57df\u30c6\u30fc\u30d6\u30eb\u3092\u518d\u8aad\u8fbc\u307f\u3057\u307e\u3059\u3002
\n\u8b66\u544a: \u9818\u57df\u30c6\u30fc\u30d6\u30eb\u306e\u518d\u8aad\u8fbc\u307f\u304c\u30a8\u30e9\u30fc 22 \u3067\u5931\u6557\u3057\u307e\u3057\u305f: \u7121\u52b9\u306a\u5f15\u6570\u3067\u3059\u3002
\n\u30ab\u30fc\u30cd\u30eb\u306f\u307e\u3060\u53e4\u3044\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002
\n\u65b0\u3057\u3044\u30c6\u30fc\u30d6\u30eb\u306f\u6b21\u56de\u30ea\u30d6\u30fc\u30c8\u6642\u306b\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002
\n\u30c7\u30a3\u30b9\u30af\u3092\u540c\u671f\u3055\u305b\u307e\u3059\u3002<\/p><\/blockquote>\n

\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u304c\u8a2d\u5b9a\u3067\u304d\u306a\u3044\u6a21\u69d8\u3002
\n\u305d\u306e\u307e\u307e\/dev\/loop0\u3092\u4f7f\u3046\u3053\u3068\u306b\u3002
\n\u672c\u6765\u306a\u3089\u3053\u3053\u3067\u3001\u518d\u8d77\u52d5<\/p>\n

# shutdown -r now<\/p><\/blockquote>\n

\u25cb \u7269\u7406\u30dc\u30ea\u30e5\u30fc\u30e0(PV)\u4f5c\u6210<\/strong><\/p>\n

# lvm pvcreate \/dev\/loop0
\nPhysical volume “\/dev\/loop0” successfully created# lvm pvdisplay \/dev\/loop0
\n— NEW Physical volume —
\nPV Name \/dev\/loop0
\nVG Name
\nPV Size 127.81 MB
\nAllocatable NO
\nPE Size (KByte) 0
\nTotal PE 0
\nFree PE 0
\nAllocated PE 0
\nPV UUID WqwiNW-FB83-Cjup-iMQt-YDgp-MSZm-z7py2I<\/p><\/blockquote>\n

\u25cb \u30dc\u30ea\u30e5\u30fc\u30e0\u30b0\u30eb\u30fc\u30d7(VG)\u4f5c\u6210<\/strong><\/p>\n

# lvm vgcreate testvg \/dev\/loop0 (-s \u30b5\u30a4\u30ba \u3067\u30a8\u30af\u30b9\u30c6\u30f3\u30c8\u30b5\u30a4\u30ba\u6307\u5b9a \u30a8\u30af\u30b9\u30c6\u30f3\u30c8\u6570\u306f\u6700\u592765535\u500b\uff09
\nVolume group “testvg” successfully created
\n# lvm vgdisplay testvg
\n— Volume group —
\nVG Name testvg
\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 124.00 MB
\nPE Size 4.00 MB
\nTotal PE 31
\nAlloc PE \/ Size 0 \/ 0
\nFree PE \/ Size 31 \/ 124.00 MB
\nVG UUID txlZBT-9tGO-OHcH-eev4-1j8n-gdEa-0f8VVN<\/p><\/blockquote>\n

\u25cb \u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0(LV)\u306e\u4f5c\u6210<\/strong><\/p>\n

# lvm lvcreate -L 32M -n testlv1 testvg # 32MB\u306e\u5927\u304d\u3055\u306eLV\u3092\u4f5c\u6210
\nLogical volume “testlv1” created
\n# lvm lvcreate -l 8 -n testlv2 testvg # 4MB\u306e\u30a8\u30af\u30b9\u30c6\u30f3\u30c8\uff18\u500b\u5206\u306e\u5927\u304d\u3055(32MB)\u306eLV\u3092\u4f5c\u6210
\nLogical volume “testlv2” created
\n# lvm lvdisplay testvg
\n— Logical volume —
\nLV Name \/dev\/testvg\/testlv1
\nVG Name testvg
\nLV UUID t67uqN-Pfua-RHd9-wDT4-S4wq-HbL9-faBLRU
\nLV Write Access read\/write
\nLV Status available
\n# open 0
\nLV Size 32.00 MB
\nCurrent LE 8
\nSegments 1
\nAllocation inherit
\nRead ahead sectors 0
\nBlock device 253:2— Logical volume —
\nLV Name \/dev\/testvg\/testlv2
\nVG Name testvg
\nLV UUID jwFWPR-Jb0k-K0BC-lwBf-rD4L-Wuw8-R252GB
\nLV Write Access read\/write
\nLV Status available
\n# open 0
\nLV Size 32.00 MB
\nCurrent LE 8
\nSegments 1
\nAllocation inherit
\nRead ahead sectors 0
\nBlock device 253:3<\/p><\/blockquote>\n

\u25cb \u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4f5c\u6210<\/strong><\/p>\n

# mke2fs -j \/dev\/testvg\/testlv1
\nmke2fs 1.35 (28-Feb-2004)
\nFilesystem label=
\nOS type: Linux
\nBlock size=1024 (log=0)
\nFragment size=1024 (log=0)
\n8192 inodes, 32768 blocks
\n1638 blocks (5.00%) reserved for the super user
\nFirst data block=1
\nMaximum filesystem blocks=33554432
\n4 block groups
\n8192 blocks per group, 8192 fragments per group
\n2048 inodes per group
\nSuperblock backups stored on blocks:
\n8193, 24577Writing inode tables: done
\nCreating journal (4096 blocks): done
\nWriting superblocks and filesystem accounting information: done
\nThis filesystem will be automatically checked every 32 mounts or
\n180 days, whichever comes first. Use tune2fs -c or -i to override.<\/p><\/blockquote>\n

\u25cb \u30de\u30a6\u30f3\u30c8<\/strong><\/p>\n

# mkdir \/mnt\/test
\n# mount \/dev\/testvg\/testlv1 \/mnt\/test
\n# df
\nFilesystem 1K-\u30d6\u30ed\u30c3\u30af \u4f7f\u7528 \u4f7f\u7528\u53ef \u4f7f\u7528% \u30de\u30a6\u30f3\u30c8\u4f4d\u7f6e
\n\/dev\/mapper\/testvg-testlv1
\n31729 4509 25582 15% \/mnt\/test
\n# ls -l \/dev\/testvg\/testlv1
\nlrwxrwxrwx 1 root root 26 7\u6708 12 10:33 \/dev\/testvg\/testlv1 -> \/dev\/mapper\/testvg-testlv1<\/p><\/blockquote>\n

\u25cb \u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u524a\u9664<\/strong><\/p>\n

# lvm lvremove \/dev\/testvg\/testlv2
\nDo you really want to remove active logical volume “testlv2”? [y\/n]: y
\nLogical volume “testlv2” successfully removed<\/p><\/blockquote>\n

\u25cb \u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u62e1\u5f35<\/strong>
\n\u66f8\u5f0f
\n# lvm lvextend [ -l +\u30a8\u30af\u30b9\u30c6\u30f3\u30c8\u6570 | -L +\u30d0\u30a4\u30c8\u6570 ] \u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u30d1\u30b9
\n\u30b5\u30a4\u30ba\u306e\u524d\u306b+\u3092\u3064\u3051\u306a\u3044\u3068\u7d76\u5bfe\u7684\u306a\u30b5\u30a4\u30ba\u6307\u5b9a\u306b\u306a\u308b\uff08\u73fe\u5728\u306e\u30b5\u30a4\u30ba\u304b\u3089\u306e\u8db3\u3057\u7b97\u306b\u306a\u3089\u306a\u3044\uff09<\/p>\n

# lvm lvextend -l +1 \/dev\/testvg\/testlv1
\nExtending logical volume testlv1 to 36.00 MB
\nLogical volume testlv1 successfully resized
\n# df
\nFilesystem 1K-\u30d6\u30ed\u30c3\u30af \u4f7f\u7528 \u4f7f\u7528\u53ef \u4f7f\u7528% \u30de\u30a6\u30f3\u30c8\u4f4d\u7f6e
\n\/dev\/mapper\/testvg-testlv1
\n31729 4509 25582 15% \/mnt\/test<\/p><\/blockquote>\n

\u203blv\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308b\u3060\u3051\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30b5\u30a4\u30ba\u306f\u5927\u304d\u304f\u306a\u3089\u306a\u3044
\n\u25cb \u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u62e1\u5f35<\/strong>
\n\u66f8\u5f0f
\n# resize2fs -p \u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u30d1\u30b9 [\u65b0\u3057\u3044\u5168\u4f53\u306e\u30b5\u30a4\u30ba]<\/p>\n

# resize2fs -p \/dev\/testvg\/testlv1 #\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u30b5\u30a4\u30ba\u304c\u81ea\u52d5\u6307\u5b9a\u3055\u308c\u308b
\nresize2fs 1.35 (28-Feb-2004)
\n\/dev\/testvg\/testlv1 is mounted; can’t resize a mounted filesystem!<\/p><\/blockquote>\n

\u203b\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u3057\u308d\uff01\u3068\u6012\u3089\u308c\u308b
\n\u203b\u6700\u8fd1\u306eLinux\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u62e1\u5f35\u306f\u30de\u30a6\u30f3\u30c8\u3057\u305f\u307e\u307e\u3000resize2fs\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3067\u304d\u308b\u3002\u306a\u306e\u3067\u4ee5\u964d\u306f\u4e0d\u8981\u3002\u305d\u306e\u5f71\u97ff\u3067\u5f8c\u306b\u51fa\u3066\u304f\u308bext2online\u30b3\u30de\u30f3\u30c9\u3082\u306a\u304f\u306a\u3063\u3066\u3044\u308b\u3002<\/strong><\/p>\n

# umount \/mnt\/test
\n# resize2fs -p \/dev\/testvg\/testlv1
\nresize2fs 1.35 (28-Feb-2004)
\nPlease run ‘e2fsck -f \/dev\/testvg\/testlv1’ first.<\/p><\/blockquote>\n

\u203b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30c1\u30a7\u30c3\u30af\u3092\u3057\u3066\u306d\u3068\u304a\u9858\u3044\u3055\u308c\u308b<\/p>\n

# e2fsck -f \/dev\/testvg\/testlv1
\ne2fsck 1.35 (28-Feb-2004)
\nPass 1: Checking inodes, blocks, and sizes
\nPass 2: Checking directory structure
\nPass 3: Checking directory connectivity
\nPass 4: Checking reference counts
\nPass 5: Checking group summary information
\n\/dev\/testvg\/testlv1: 11\/8192 files (9.1% non-contiguous), 5548\/32768 blocks
\n# resize2fs -p \/dev\/testvg\/testlv1
\nresize2fs 1.35 (28-Feb-2004)
\nResizing the filesystem on \/dev\/testvg\/testlv1 to 36864 (1k) blocks.
\nBegin pass 1 (max = 1)
\nExtending the inode table XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
\nThe filesystem on \/dev\/testvg\/testlv1 is now 36864 blocks long.
\n# mount \/dev\/testvg\/testlv1 \/mnt\/test
\n# df
\nFilesystem 1K-\u30d6\u30ed\u30c3\u30af \u4f7f\u7528 \u4f7f\u7528\u53ef \u4f7f\u7528% \u30de\u30a6\u30f3\u30c8\u4f4d\u7f6e
\n\/dev\/mapper\/testvg-testlv1
\n35567 4509 29584 14% \/mnt\/test<\/p><\/blockquote>\n

\u203b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d
\n\u203bext3\u306e\u5834\u5408\u306fext2online\u30b3\u30de\u30f3\u30c9\u3067\u30de\u30a6\u30f3\u30c8\u3057\u305f\u307e\u307e\uff08\u30aa\u30f3\u30e9\u30a4\u30f3\uff09\u3067\u3067\u304d\u308b\uff08\u6700\u8fd1\u306eLinux\u3067\u306f\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u7406\u7531\u306fresize2fs\u30b3\u30de\u30f3\u30c9\u304c\u30de\u30a6\u30f3\u30c8\u3057\u305f\u307e\u307e\u5b9f\u884c\u53ef\u80fd\u3060\u304b\u3089\u3067\u3059\u3002\uff09
\n
\n\u25cb \u30dc\u30ea\u30e5\u30fc\u30e0\u30b0\u30eb\u30fc\u30d7\u306e\u524a\u9664<\/strong><\/p>\n

# lvm vgremove testvg<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

\u3044\u307e\u3055\u3089\u306a\u304c\u3089LVM2\u306e\u64cd\u4f5c\u65b9\u6cd5 \u25cb\u691c\u8a3c\u74b0\u5883\u4f5c\u6210 # dd if=\/dev\/zero of=\/var\/tmp\/mounttest1 count=128 bs=1024k # ls -l \/var\/tmp\/mounttes … <\/p>\n

“\uff08linux)LVM2\u306e\u64cd\u4f5c\u65b9\u6cd5” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[16,18,2],"tags":[41,42],"_links":{"self":[{"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=\/wp\/v2\/posts\/24"}],"collection":[{"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24"}],"version-history":[{"count":0,"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=\/wp\/v2\/posts\/24\/revisions"}],"wp:attachment":[{"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chidipy.jpn.com\/topics\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}