磁盘格式化是为了写入文件系统。man mkfs

mkfs - build a Linux file system

mkfs [-t filesysterm] 设备文件名

或者使用mkfs.ext4 设备文件名格式化分区。

[root@www ~]# fdisk -l

Disk /dev/sdd: 1073 MB, 1073741824 bytes

255 heads, 63 sectors/track, 130 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xdcb315ff

Device Boot      Start         End      Blocks   Id  System

/dev/sdd1               1          50      401593+  83  Linux

/dev/sdd2              51         130      642600    5  Extended

/dev/sdd5              51          80      240943+  83  Linux

/dev/sdd6              81         130      401593+  83  Linux

mkfs -t ext4

[root@www ~]# mkfs -t ext4 /dev/sdd1

mke2fs 1.41.12 (17-May-2010)

警告: 183 块未使用.

文件系统标签=

操作系统:Linux

块大小=1024 (log=0)

分块大小=1024 (log=0)

Stride=0 blocks, Stripe width=0 blocks

100744 inodes, 401409 blocks

20079 blocks (5.00%) reserved for the super user

第一个数据块=1

Maximum filesystem blocks=67633152

49 block groups

8192 blocks per group, 8192 fragments per group

2056 inodes per group

Superblock backups stored on blocks:

8193, 24577, 40961, 57345, 73729, 204801, 221185

正在写入inode表: 完成

Creating journal (8192 blocks): 完成

Writing superblocks and filesystem accounting information: 完成

This filesystem will be automatically checked every 21 mounts or

180 days, whichever comes first.  Use tune2fs -c or -i to override.

mkfs.ext4

[root@www ~]# mkfs.ext4 /dev/sdd5

mke2fs 1.41.12 (17-May-2010)

文件系统标签=

操作系统:Linux

块大小=1024 (log=0)

分块大小=1024 (log=0)

Stride=0 blocks, Stripe width=0 blocks

60240 inodes, 240940 blocks

12047 blocks (5.00%) reserved for the super user

第一个数据块=1

Maximum filesystem blocks=67371008

30 block groups

8192 blocks per group, 8192 fragments per group

2008 inodes per group

Superblock backups stored on blocks:

8193, 24577, 40961, 57345, 73729, 204801, 221185

正在写入inode表: 完成

Creating journal (4096 blocks): 完成

Writing superblocks and filesystem accounting information: 完成

This filesystem will be automatically checked every 23 mounts or

180 days, whichever comes first.  Use tune2fs -c or -i to override.

[root@www ~]#