mkfs [ -V ] [ -t fstype ] [ fs-options ] filesys [ blocks ]

[root@localhost ~]# mkfs -t ext3 /dev/sdb1
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
368000 inodes, 734965 blocks
36748 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=754974720
23 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 (16384 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 39 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.

挂载

[root@localhost /]# mount /dev/sdb1 /u02

[root@localhost /]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda2              15G  3.1G   11G  23% /
/dev/sda6              12G  8.2G  2.8G  75% /u01
/dev/sda3             1.9G  333M  1.5G  19% /tmp
/dev/sda1              99M   12M   83M  12% /boot
tmpfs                 506M     0  506M   0% /dev/shm
/dev/sdb1             2.8G   69M  2.6G   3% /u02

开机自动挂载

vi /etc/fstab

/dev/sdb1               /u02                    ext3    defaults        0 0
/dev/sdb5               /u03                    ext3    defaults        0 0