009-建立分區步驟及實戰

 三步曲：

建立 ，格式化文件系統，掛載

[root@cnsz142685 ~]# lvcreate -L 15g -n LVpalog VolGroup00
  Logical volume "LVpalog" created
[root@cnsz142685 ~]# mkfs.ext4 /dev/VolGroup00/LV
LVhome   LVpalog  LVroot   LVswap   LVtmp    LVvar    
[root@cnsz142685 ~]# mkfs.ext4 /dev/VolGroup00/LVpalog 
mke2fs 1.41.12 (17-May-2010)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
983040 inodes, 3932160 blocks
196608 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4026531840
120 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks: 
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208

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

This filesystem will be automatically checked every 31 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
[root@cnsz142685 ~]# mount /palog/
[root@cnsz142685 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LVroot
                       30G  2.6G   26G  10% /
tmpfs                 7.8G   12K  7.8G   1% /dev/shm
/dev/sda1             976M   32M  894M   4% /boot
/dev/mapper/VolGroup00-LVhome
                      2.0G  3.2M  1.9G   1% /home
/dev/mapper/VolGroup00-LVtmp
                      9.8G   23M  9.2G   1% /tmp
/dev/mapper/VolGroup00-LVvar
                       20G  151M   19G   1% /var
/dev/mapper/VolGroup00-LVpalog
                       15G   38M   14G   1% /palog