Linux创建文件系统

Linux创建文件系统

创建LV
[root@jusdoi oracle]# lvcreate -n u01 -L 15G VolGroup01

建文件系统
[root@jusdoi ~]# mkfs -t ext3 /dev/VolGroup01/u01 15g
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
1966080 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
16384 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 37 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
建目录

[root@jusdoi ~]# mkdir /u01

mount
[root@jusdoi ~]# mount /dev/VolGroup01/u01 /u01

查看已经mount上了
[root@jusdoi ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup01-LogVol00
                       20G  2.3G   17G  13% /
/dev/sda1              99M   14M   81M  15% /boot
tmpfs                 1.8G     0  1.8G   0% /dev/shm
none                  1.8G  104K  1.8G   1% /var/lib/xenstored
/dev/hde              3.4G  3.4G     0 100% /mnt
/dev/mapper/VolGroup01-u01
                       15G  166M   14G   2% /u01
为使重启后生效，修改/etc/fstab
/dev/mapper/VolGroup01-u01  /u01                ext3     defaults        0 0