一个入门级的sample, 有空再给相关命令注释
[root@rhel ~]# fdisk -l
Disk /dev/sda: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 1044 8281507+ 8e Linux LVM
Disk /dev/sdb: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
[root@rhel ~]# pvcreate /dev/sdb
Physical volume "/dev/sdb" successfully created
[root@rhel ~]# vgcreate VolGroup10 /dev/sdb
Volume group "VolGroup10" successfully created
[root@rhel ~]# vgchange -a y VolGroup10
0 logical volume(s) in volume group "VolGroup10" now active
[root@rhel ~]# vgdisplay
--- Volume group ---
VG Name VolGroup10
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 1
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 8.00 GB
PE Size 4.00 MB
Total PE 2047
Alloc PE / Size 0 / 0
Free PE / Size 2047 / 8.00 GB
VG UUID MJN9a2-yj4j-3hES-OUsY-diUp-KShe-sXO6hs
--- Volume group ---
VG Name VolGroup00
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 7.88 GB
PE Size 32.00 MB
Total PE 252
Alloc PE / Size 252 / 7.88 GB
Free PE / Size 0 / 0
VG UUID Eelu7Z-Ow8a-X6tK-xAnz-k2i0-1NTd-rvF4WZ
[root@rhel ~]# lvcreate -L2000 -nrdb VolGroup10
Logical volume "rdb" created
[root@rhel ~]# mkdir /rdb
[root@rhel ~]# mkfs.ext3 /dev/VolGroup10/rdb
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
256000 inodes, 512000 blocks
25600 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=524288000
16 block groups
32768 blocks per group, 32768 fragments per group
16000 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912
Writing inode tables: done
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 36 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@rhel ~]# mount /dev/VolGroup10/rdb /rdb/
[root@rhel ~]# lvdisplay
--- Logical volume ---
LV Name /dev/VolGroup10/rdb
VG Name VolGroup10
LV UUID w2tneE-y48m-5MYS-rQ9j-HtJo-j0Pl-IMYLRk
LV Write Access read/write
LV Status available
# open 1
LV Size 1.95 GB
Current LE 500
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:2
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol00
VG Name VolGroup00
LV UUID A7v7MI-dWql-ejH7-xdul-uQXe-IYGY-GP0XzH
LV Write Access read/write
LV Status available
# open 1
LV Size 6.88 GB
Current LE 220
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol01
VG Name VolGroup00
LV UUID WGE5Ld-fTC8-b8gU-lb7e-bNEu-OMkI-wZ8Lvl
LV Write Access read/write
LV Status available
# open 1
LV Size 1.00 GB
Current LE 32
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:1
[root@rhel ~]# lvcreate -L2000 -noradata VolGroup10
Logical volume "oradata" created
[root@rhel ~]# mkfs.ext3 /dev/VolGroup10/oradata
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
256000 inodes, 512000 blocks
25600 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=524288000
16 block groups
32768 blocks per group, 32768 fragments per group
16000 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912
Writing inode tables: done
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 34 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@rhel ~]# mkdir /oradata
[root@rhel ~]# mount /dev/VolGroup10/oradata /oradata
[root@rhel ~]# mount
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/sda1 on /boot type ext3 (rw)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
.host:/ on /mnt/hgfs type vmhgfs (rw,ttl=5)
none on /proc/fs/vmblock/mountPoint type vmblock (rw)
/dev/mapper/VolGroup10-rdb on /rdb type ext3 (rw)
/dev/mapper/VolGroup10-oradata on /oradata type ext3 (rw)
[root@rhel /]# vi /etc/fstab
/dev/VolGroup00/LogVol00 / ext3 defaults 1 1
/dev/VolGroup10/rdb /rdb ext3 defaults 1 1
/dev/VolGroup10/oradata /oradata ext3 defaults 1 1
LABEL=/boot /boot ext3 defaults 1 2
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs defaults 0 0
/dev/VolGroup00/LogVol01 swap swap defaults 0 0
# Beginning of the block added by the VMware software
.host:/ /mnt/hgfs vmhgfs defaults,ttl=5 0 0
# End of the block added by the VMware software
[root@rhel /]# umount /rdb
[root@rhel /]# e2fsck -f /dev/VolGroup10/rdb
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/VolGroup10/rdb: 11/256000 files (9.1% non-contiguous), 16996/512000 blocks
[root@rhel /]# mount /dev/VolGroup10/rdb /rdb 单用户进入系统后(可能系统是只读的) 运行下面的命令:
#mount -o remount,rw /
#mount -o remount,rw /
重新修改fstab