Dumpe2fs

dumpe2fs on komentoriviohjelma, joka näyttää ext2-, ext3- tai ext4-tiedostojärjestelmien käytössä olevat parametrit. Näitä parametrejä voi muuttaa tune2fs:n avulla.

Esimerkki

Tulostetaan osion /dev/sda1 tiedot lukuunottamatta tarkkoja tilanvaraustietoja.

kayttaja@kone:~$ sudo dumpe2fs -h /dev/sda1
dumpe2fs 1.40.2 (12-Jul-2007)
Filesystem volume name:   juuri
Last mounted on:          <not available>
Filesystem UUID:          12345678-9012-3456-7890-deadbeef123
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal resize_inode dir_index filetype needs_recovery sparse_super large_file
Filesystem flags:         signed directory hash
Default mount options:    (none)
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              9584640
Block count:              19159512
Reserved block count:     957975
Free blocks:              6399037
Free inodes:              9423027
First block:              0
Block size:               4096
Fragment size:            4096
Reserved GDT blocks:      1019
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         16384
Inode blocks per group:   512
Filesystem created:       Sat Oct 13 10:53:49 2007
Last mount time:          Sun Dec 16 10:03:20 2007
Last write time:          Sun Dec 16 10:03:20 2007
Mount count:              27
Maximum mount count:      35
Last checked:             Sat Oct 13 10:53:49 2007
Check interval:           15552000 (6 months)
Next check after:         Thu Apr 10 10:53:49 2008
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128
Journal inode:            8
First orphan inode:       6620064
Default directory hash:   tea
Directory Hash Seed:      cafe1234-babe-5678-badb-abe12345678
Journal backup:           inode blocks
Journal size:             128M