파일시스템 정보 확인 및 변경 - tune2fs

1. 파일시스템 정보 확인

yklee@tyolee:~$ sudo tune2fs -l /dev/sda2

tune2fs 1.41.9 (22-Aug-2009)

tune2fs: Attempt to read block from filesystem resulted in short read while trying to open /dev/sda2

Couldn't find valid filesystem superblock.

yklee@tyolee:~$ sudo tune2fs -l /dev/sda5

tune2fs 1.41.9 (22-Aug-2009)

Filesystem volume name:   <none>

Last mounted on:          <not available>

Filesystem UUID:          89af3036-d821-4c95-ba78-399961aa6e3c

Filesystem magic number:  0xEF53

Filesystem revision #:    1 (dynamic)

Filesystem features:      filetype sparse_super

Default mount options:    (none)

Filesystem state:         not clean

Errors behavior:          Continue

Filesystem OS type:       Linux

Inode count:              124496

Block count:              248976

Reserved block count:     12448

Free blocks:              192383

Free inodes:              124320

First block:              1

Block size:               1024

Fragment size:            1024

Blocks per group:         8192

Fragments per group:      8192

Inodes per group:         4016

Inode blocks per group:   502

Last mount time:          Wed Feb  3 10:11:56 2010

Last write time:          Wed Feb  3 10:12:00 2010

Mount count:              2

Maximum mount count:      30

Last checked:             Fri Jan 22 09:22:31 2010

Check interval:           0 (<none>)

Reserved blocks uid:      0 (user root)

Reserved blocks gid:      0 (group root)

First inode:              11

Inode size:               128

2. 파일시스템 정보 변경 (퍼옴)

# tune2fs -l /dev/sda1 | grep volume

Filesystem volume name: /home/database

# tune2fs -L database-home /dev/emcpowera1

tune2fs 1.35 (28-Feb-2004)

# tune2fs -l /dev/sda1 | grep volume 

Filesystem volume name: database-home