磁盘格式化 mke2fs

一、查看系统所支持的文件系统，分区格式

[root@localhost ~]# cat /etc/filesystems

ext4

ext3

ext2

nodev proc

nodev devpts

iso9660

vfat

hfs

hfsplus

格式化实例一、把/dev/sdb1格式化为ext4，过程如下

[root@localhost ~]# mkfs.ext4 /dev/sdb1

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

28112 inodes, 112420 blocks

5621 blocks (5.00%) reserved for the super user

第一个数据块=1

Maximum filesystem blocks=67371008

14 block groups

8192 blocks per group, 8192 fragments per group

2008 inodes per group

Superblock backups stored on blocks:

        8193, 24577, 40961, 57345, 73729

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 32 mounts or

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

格式化实例二、把/dev/sdb1格式化为ext4，指定blocks块大小为2048(这个blocks大小必须是1024的2位或4位)，保留空间为1%，标签为CPAN，过程如下：

[root@localhost ~]# mke2fs -t ext4 -b 2048 -m 1 -L CPAN /dev/sdb1

mke2fs 1.41.12 (17-May-2010)

文件系统标签=CPAN

操作系统:Linux

块大小=2048 (log=1)

分块大小=2048 (log=1)

Stride=0 blocks, Stripe width=0 blocks

28160 inodes, 56210 blocks

562 blocks (1.00%) reserved for the super user

第一个数据块=0

Maximum filesystem blocks=57671680

4 block groups

16384 blocks per group, 16384 fragments per group

7040 inodes per group

Superblock backups stored on blocks:

        16384, 49152

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 35 mounts or

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