发表于 2013 年 12 月 18 日 由 秦海传媒

• 初次安装

[root@Mars /]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/vda1             12192608   1507360  10055904  14% /
tmpfs                   387336         0    387336   0% /dev/shm

[root@Mars /]# fdisk -l

Disk /dev/vda: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/vda1   *           1        1567    12586896   83  Linux
/dev/vda2            1568        2610     8377897+  82  Linux swap / Solaris

Disk /dev/vdb: 128.8 GB, 128849018880 bytes
16 heads, 63 sectors/track, 249660 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes

Disk /dev/vdb doesn't contain a valid partition table

[root@Mars /]# df -hal
Filesystem            Size  Used Avail Use% Mounted on
/dev/vda1              12G  1.5G  9.6G  14% /
proc                     0     0     0   -  /proc
sysfs                    0     0     0   -  /sys
devpts                   0     0     0   -  /dev/pts
tmpfs                 379M     0  379M   0% /dev/shm
none                     0     0     0   -  /proc/sys/fs/binfmt_misc
sunrpc                   0     0     0   -  /var/lib/nfs/rpc_pipefs
[root@Mars /]# pvcreate /dev/vdb
  Physical volume "/dev/vdb" successfully created
[root@Mars /]# pvdisplay
  "/dev/vdb" is a new physical volume of "120.00 GB"
  --- NEW Physical volume ---
  PV Name               /dev/vdb
  VG Name
  PV Size               120.00 GB
  Allocatable           NO
  PE Size (KByte)       0
  Total PE              0
  Free PE               0
  Allocated PE          0
  PV UUID               bYNkM5-P4tN-0NSb-BLeL-oBSC-v4XO-8mM8bs

[root@Mars /]# vgcreate VolGroup00 /dev/vdb
  Volume group "VolGroup00" successfully created
[root@Mars /]# pvdisplay
  --- Physical volume ---
  PV Name               /dev/vdb
  VG Name               VolGroup00
  PV Size               120.00 GB / not usable 4.00 MB
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              30719
  Free PE               30719
  Allocated PE          0
  PV UUID               bYNkM5-P4tN-0NSb-BLeL-oBSC-v4XO-8mM8bs

[root@Mars /]# lvcreate -L 100GB -n lvhome VolGroup00
  Logical volume "lvhome" created

[root@Mars /]# lvdisplay
  --- Logical volume ---
  LV Name                /dev/VolGroup00/lvhome
  VG Name                VolGroup00
  LV UUID                3n2WWN-6Otw-AY0p-ut4C-WbIV-M8oV-RMrm90
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                100.00 GB
  Current LE             25600
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           252:0

[root@Mars /]# mkfs -t ext3 /dev/VolGroup00/lvhome
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
13107200 inodes, 26214400 blocks
1310720 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=0
800 block groups
32768 blocks per group, 32768 fragments per group
16384 inodes per group
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
        4096000, 7962624, 11239424, 20480000, 23887872

Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 29 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
[root@Mars /]# mount /dev/VolGroup00/lvhome /home
[root@Mars /]# vi /etc/fstab

/dev/VolGroup00/lvhome /home ext3 defaults 1 2
[root@Mars /]# reboot

• 重新挂载硬盘

[root@s013003160033 VolGroup]# vgdisplay
--- Volume group ---
VG Name VolGroup00
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 80.00 GiB
PE Size 4.00 MiB
Total PE 20479
Alloc PE / Size 20429 / 79.80 GiB
Free PE / Size 50 / 200.00 MiB
VG UUID PbTAFZ-WzwJ-iaxh-3sbb-et2B-zppn-1LrOJN

--- Volume group ---
VG Name VolGroup
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size 19.51 GiB
PE Size 4.00 MiB
Total PE 4994
Alloc PE / Size 4994 / 19.51 GiB
Free PE / Size 0 / 0
VG UUID hl0gSP-2ElV-wONd-cRBp-e68Z-OQ26-nklnM1

[root@s013003160033 VolGroup]# vgrename PbTAFZ-WzwJ-iaxh-3sbb-et2B-zppn-1LrOJN d ata
Volume group "VolGroup00" successfully renamed to "data"
[root@s013003160033 dev]# lvscan
inactive '/dev/data/lvhome' [79.80 GiB] inherit
ACTIVE '/dev/VolGroup/lv_root' [17.51 GiB] inherit
ACTIVE '/dev/VolGroup/lv_swap' [2.00 GiB] inherit
[root@s013003160033 dev]# vgchange -ay /dev/data
1 logical volume(s) in volume group "data" now active
[root@s013003160033 dev]# mount /dev/data/lvhome /home[
[root@s013003160033 dev]# mv /home1/* /home/
mv: overwrite `/home/ftp'? Y
mv: overwrite `/home/tmp'? y
[root@s013003160033 dev]# vi /etc/fstab
/dev/data/lvhome /home ext3 defaults 1 2
[root@s013003160033 dev]# reboot


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