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�ｿｽﾅ終�ｿｽX�ｿｽV�ｿｽ�ｿｽ�ｿｽF 2017.11.25

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�ｿｽt�ｿｽ@�ｿｽC�ｿｽ�ｿｽ�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽT�ｿｽC�ｿｽY�ｿｽk�ｿｽ�ｿｽ
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LV�ｿｽT�ｿｽC�ｿｽY�ｿｽk�ｿｽ�ｿｽ



�ｿｽ�ｿｽLV�ｿｽk�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ[�ｿｽg�ｿｽf�ｿｽB�ｿｽ�ｿｽ�ｿｽN�ｿｽg�ｿｽ�ｿｽ

�ｿｽ�ｿｽ�ｿｽ_�ｿｽ�ｿｽ�ｿｽ{�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ[�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽk�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽﾉは該�ｿｽ�ｿｽ�ｿｽ_�ｿｽ�ｿｽ�ｿｽ{�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ[�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽA�ｿｽ�ｿｽ�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽ�ｿｽ�ｿｽﾈゑｿｽ�ｿｽ�ｿｽﾎなゑｿｽﾈゑｿｽ�ｿｽ�ｿｽ�ｿｽA�ｿｽY�ｿｽ�ｿｽ�ｿｽ_�ｿｽ�ｿｽ�ｿｽ{�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ[�ｿｽ�ｿｽ�ｿｽ�ｿｽ/(�ｿｽ�ｿｽ�ｿｽ[�ｿｽg�ｿｽf�ｿｽB�ｿｽ�ｿｽ�ｿｽN�ｿｽg�ｿｽ�ｿｽ)�ｿｽ�ｿｽ�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽ�ｿｽ�ｿｽ�ｿｽﾄゑｿｽ�ｿｽ�ｿｽ鼾��ｿｽA�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽﾒ難ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ/(�ｿｽ�ｿｽ�ｿｽ[�ｿｽg�ｿｽf�ｿｽB�ｿｽ�ｿｽ�ｿｽN�ｿｽg�ｿｽ�ｿｽ)�ｿｽﾍア�ｿｽ�ｿｽ�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽﾅゑｿｽ�ｿｽﾈゑｿｽ�ｿｽ�ｿｽ�ｿｽﾟ、�ｿｽ�ｿｽ�ｿｽX�ｿｽL�ｿｽ�ｿｽ�ｿｽ[�ｿｽ�ｿｽ�ｿｽ[�ｿｽh�ｿｽﾅ搾ｿｽﾆゑｿｽ�ｿｽs�ｿｽ�ｿｽ
[root@centos ~]# df -h�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽｵ照会ｿｽ
Filesystem          �ｿｽT�ｿｽC�ｿｽY  �ｿｽg�ｿｽp  �ｿｽc�ｿｽ�ｿｽ �ｿｽg�ｿｽp% �ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽﾊ置
/dev/mapper/VolGroup00-LogVol00
                      3.3G  1.6G  1.6G  52% /�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV
/dev/sda1              99M   24M   71M  25% /boot
tmpfs                 125M     0  125M   0% /dev/shm

[root@centos ~]# lvdisplay /dev/VolGroup00/LogVol00�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽﾆ会ｿｽ
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00
  LV UUID                H37kZ2-u6pm-mwul-k7Wr-MBfg-Mh3T-4sOg8M
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                3.38 GB�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽOLV�ｿｽT�ｿｽC�ｿｽY
  Current LE             108
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

�ｿｽC�ｿｽ�ｿｽ�ｿｽX�ｿｽg�ｿｽ[�ｿｽ�ｿｽ�ｿｽf�ｿｽB�ｿｽX�ｿｽN�ｿｽ�ｿｽ�ｿｽf�ｿｽB�ｿｽX�ｿｽN�ｿｽh�ｿｽ�ｿｽ�ｿｽC�ｿｽu�ｿｽﾉセ�ｿｽb�ｿｽg�ｿｽ�ｿｽ�ｿｽﾄシ�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽﾄ起�ｿｽ�ｿｽ


boot: linux rescue�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽ�ｿｽ�ｿｽX�ｿｽL�ｿｽ�ｿｽ�ｿｽ[�ｿｽ�ｿｽ�ｿｽ[�ｿｽh�ｿｽﾅ起�ｿｽ�ｿｽ


Choose a Language�ｿｽ�ｿｽEnglish�ｿｽﾌまゑｿｽOK


Keyboard Type�ｿｽ�ｿｽjp106�ｿｽ�ｿｽI�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽOK


Setup Networking�ｿｽ�ｿｽNo


Rescue�ｿｽ�ｿｽSkip

sh-3.2# lvm vgchange -a y�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@VG�ｿｽ�ｿｽL�ｿｽ�ｿｽ�ｿｽﾉゑｿｽ�ｿｽ�ｿｽ

sh-3.2# fsck.ext3 -f /dev/VolGroup00/LogVol00�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽt�ｿｽ@�ｿｽC�ｿｽ�ｿｽ�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ`�ｿｽF�ｿｽb�ｿｽN
�ｿｽ�ｿｽ�ｿｽt�ｿｽ@�ｿｽC�ｿｽ�ｿｽ�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ`�ｿｽF�ｿｽb�ｿｽN�ｿｽ�ｿｽ�ｿｽs�ｿｽ�ｿｽﾈゑｿｽ�ｿｽﾆ趣ｿｽ�ｿｽ�ｿｽresize2fs�ｿｽ�ｿｽ�ｿｽﾅゑｿｽ�ｿｽﾈゑｿｽ

sh-3.2# resize2fs /dev/VolGroup00/LogVol00 2G�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽt�ｿｽ@�ｿｽC�ｿｽ�ｿｽ�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽT�ｿｽC�ｿｽY�ｿｽ�ｿｽ2GB�ｿｽﾉ変更

sh-3.2# lvm lvreduce -L2G /dev/VolGroup00/LogVol00�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽT�ｿｽC�ｿｽY�ｿｽ�ｿｽ2GB�ｿｽﾉ縮�ｿｽ�ｿｽ
Do you really want to reduce LogVol00? [y/n]: y�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@y�ｿｽ�ｿｽ�ｿｽ�ｿｽ

sh-3.2# exit�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽﾄ起�ｿｽ�ｿｽ

�ｿｽC�ｿｽ�ｿｽ�ｿｽX�ｿｽg�ｿｽ[�ｿｽ�ｿｽ�ｿｽf�ｿｽB�ｿｽX�ｿｽN�ｿｽｲゑｿｽ

[root@centos ~]# lvdisplay /dev/VolGroup00/LogVol00�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽﾆ会ｿｽ
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00
  LV UUID                H37kZ2-u6pm-mwul-k7Wr-MBfg-Mh3T-4sOg8M
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                2.00 GB�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽ�ｿｽLV�ｿｽT�ｿｽC�ｿｽY
  Current LE             64
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

[root@centos ~]# vgdisplay�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@VG�ｿｽﾆ会ｿｽ
  --- Volume group ---
  VG Name               VolGroup00
  System ID
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  10
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                3
  Open LV               3
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               4.84 GB
  PE Size               32.00 MB
  Total PE              155
  Alloc PE / Size       111 / 3.47 GB
  Free  PE / Size       44 / 1.38 GB�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@VG�ｿｽﾉ空きゑｿｽ�ｿｽﾅゑｿｽ�ｿｽ�ｿｽ
  VG UUID               9wGRk1-6iy1-03Hi-BX2b-W8u8-saiV-P6wfiL

�ｿｽ�ｿｽLV�ｿｽk�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ求[�ｿｽg�ｿｽf�ｿｽB�ｿｽ�ｿｽ�ｿｽN�ｿｽg�ｿｽ�ｿｽ

[root@centos ~]# df�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@LV�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽｵ照会ｿｽ
Filesystem           1K-�ｿｽu�ｿｽ�ｿｽ�ｿｽb�ｿｽN    �ｿｽg�ｿｽp   �ｿｽg�ｿｽp�ｿｽ�ｿｽ �ｿｽg�ｿｽp% �ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽﾊ置
/dev/mapper/VolGroup00-LogVol00
                       3047184   1668784   1315488  56% /
/dev/sda1               101086     23800     72067  25% /boot
tmpfs                   127796         0    127796   0% /dev/shm
/dev/mapper/VolGroup00-lvol0
                        999832     17652    931392   2% /mnt�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV

[root@centos ~]# lvdisplay /dev/VolGroup00/lvol0�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽﾆ会ｿｽ
  --- Logical volume ---
  LV Name                /dev/VolGroup00/lvol0
  VG Name                VolGroup00
  LV UUID                gN1ffx-4vUj-27cU-JK8b-958P-TnQ3-fyEsvG
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                992.00 MB�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽOLV�ｿｽT�ｿｽC�ｿｽY
  Current LE             31
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

[root@centos ~]# umount /mnt/�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽA�ｿｽ�ｿｽ�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg

[root@centos ~]# df�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@LV�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽｵ照会ｿｽ
Filesystem           1K-�ｿｽu�ｿｽ�ｿｽ�ｿｽb�ｿｽN    �ｿｽg�ｿｽp   �ｿｽg�ｿｽp�ｿｽ�ｿｽ �ｿｽg�ｿｽp% �ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽﾊ置
/dev/mapper/VolGroup00-LogVol00
                       3047184   1668784   1315488  56% /
/dev/sda1               101086     23800     72067  25% /boot
tmpfs                   127796         0    127796   0% /dev/shm

[root@centos ~]# fsck.ext3 -f /dev/VolGroup00/lvol0�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽt�ｿｽ@�ｿｽC�ｿｽ�ｿｽ�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ`�ｿｽF�ｿｽb�ｿｽN
�ｿｽ�ｿｽ�ｿｽt�ｿｽ@�ｿｽC�ｿｽ�ｿｽ�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ�ｿｽ`�ｿｽF�ｿｽb�ｿｽN�ｿｽ�ｿｽ�ｿｽs�ｿｽ�ｿｽﾈゑｿｽ�ｿｽﾆ趣ｿｽ�ｿｽ�ｿｽresize2fs�ｿｽ�ｿｽ�ｿｽﾅゑｿｽ�ｿｽﾈゑｿｽ
e2fsck 1.39 (29-May-2006)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/VolGroup00/lvol0: 11/126976 files (9.1% non-contiguous), 8407/253952 blocks

[root@centos ~]# resize2fs /dev/VolGroup00/lvol0 512M�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽt�ｿｽ@�ｿｽC�ｿｽ�ｿｽ�ｿｽV�ｿｽX�ｿｽe�ｿｽ�ｿｽ�ｿｽT�ｿｽC�ｿｽY�ｿｽ�ｿｽ512MB�ｿｽﾉ変更
resize2fs 1.39 (29-May-2006)
Resizing the filesystem on /dev/VolGroup00/lvol0 to 131072 (4k) blocks.
The filesystem on /dev/VolGroup00/lvol0 is now 131072 blocks long.

[root@centos ~]# lvreduce -L512M /dev/VolGroup00/lvol0�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽT�ｿｽC�ｿｽY�ｿｽ�ｿｽ512MB�ｿｽﾉ縮�ｿｽ�ｿｽ
  WARNING: Reducing active logical volume to 512.00 MB
  THIS MAY DESTROY YOUR DATA (filesystem etc.)
Do you really want to reduce lvol0? [y/n]: y�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@y�ｿｽ�ｿｽ�ｿｽ�ｿｽ
  Reducing logical volume lvol0 to 512.00 MB
  Logical volume lvol0 successfully resized

[root@centos ~]# mount /dev/VolGroup00/lvol0 /mnt/�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg

[root@centos ~]# df�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@LV�ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽｵ照会ｿｽ
Filesystem           1K-�ｿｽu�ｿｽ�ｿｽ�ｿｽb�ｿｽN    �ｿｽg�ｿｽp   �ｿｽg�ｿｽp�ｿｽ�ｿｽ �ｿｽg�ｿｽp% �ｿｽ}�ｿｽE�ｿｽ�ｿｽ�ｿｽg�ｿｽﾊ置
/dev/mapper/VolGroup00-LogVol00
                       3047184   1668788   1315484  56% /
/dev/sda1               101086     23800     72067  25% /boot
tmpfs                   127796         0    127796   0% /dev/shm
/dev/mapper/VolGroup00-lvol0
                        516296     17164    478164   4% /mnt�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV

[root@centos ~]# lvdisplay /dev/VolGroup00/lvol0�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽﾎ擾ｿｽLV�ｿｽﾆ会ｿｽ
  --- Logical volume ---
  LV Name                /dev/VolGroup00/lvol0
  VG Name                VolGroup00
  LV UUID                gN1ffx-4vUj-27cU-JK8b-958P-TnQ3-fyEsvG
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                512.00 MB�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@�ｿｽk�ｿｽ�ｿｽ�ｿｽ�ｿｽLV�ｿｽT�ｿｽC�ｿｽY
  Current LE             16
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

[root@centos ~]# vgdisplay�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@VG�ｿｽﾆ会ｿｽ
  --- Volume group ---
  VG Name               VolGroup00
  System ID
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  42
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                3
  Open LV               3
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               4.84 GB
  PE Size               32.00 MB
  Total PE              155
  Alloc PE / Size       140 / 4.38 GB
  Free  PE / Size       15 / 480.00 MB�ｿｽ@�ｿｽ�ｿｽ�ｿｽ@VG�ｿｽﾉ空きゑｿｽ�ｿｽﾅゑｿｽ�ｿｽ�ｿｽ
  VG UUID               9wGRk1-6iy1-03Hi-BX2b-W8u8-saiV-P6wfiL


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