# dumpe2fs -h /dev/sda1 dumpe2fs 1.41.4 (27-Jan-2009) Filesystem volume name: <none> Last mounted on: <not available> Filesystem UUID: 5fb55e5f-9697-4ad3-ba1f-ad86a6d2c0ef Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent sparse_super large_file uninit_bg Filesystem flags: signed_directory_hash Default mount options: (none) Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 19177472 Block count: 76690285 Reserved block count: 3834514 Free blocks: 71340966 Free inodes: 18732338 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 1005 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 Filesystem created: Thu Jan 29 12:53:03 2009 Last mount time: Thu Mar 19 16:17:09 2009 Last write time: Thu Mar 19 16:17:09 2009 Mount count: 4 Maximum mount count: 22 Last checked: Thu Mar 19 11:52:40 2009 Check interval: 15552000 (6 months) Next check after: Tue Sep 15 12:52:40 2009 Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 28 Desired extra isize: 28 Journal inode: 8 Default directory hash: half_md4 Directory Hash Seed: 1f9263e0-52c8-4b69-95e6-3cfe2b83376e Journal backup: inode blocks Journal size: 128M
# dumpe2fs -h /dev/sda1 9697-4ad3- ba1f-ad86a6d2c0 ef directory_ hash 52c8-4b69- 95e6-3cfe2b8337 6e
dumpe2fs 1.41.4 (27-Jan-2009)
Filesystem volume name: <none>
Last mounted on: <not available>
Filesystem UUID: 5fb55e5f-
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent sparse_super large_file uninit_bg
Filesystem flags: signed_
Default mount options: (none)
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 19177472
Block count: 76690285
Reserved block count: 3834514
Free blocks: 71340966
Free inodes: 18732338
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 1005
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Filesystem created: Thu Jan 29 12:53:03 2009
Last mount time: Thu Mar 19 16:17:09 2009
Last write time: Thu Mar 19 16:17:09 2009
Mount count: 4
Maximum mount count: 22
Last checked: Thu Mar 19 11:52:40 2009
Check interval: 15552000 (6 months)
Next check after: Tue Sep 15 12:52:40 2009
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 1f9263e0-
Journal backup: inode blocks
Journal size: 128M