co vypise sudo tune2fs -l /dev/ono_zarizeni ? (parametr je male L)
tune2fs 1.41.12 (17-May-2010)
Filesystem volume name: DVD
Last mounted on: <not available>
Filesystem UUID: 3a80e314-5798-486d-be21-26428676790f
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr 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: 3932160
Block count: 15728384
Reserved block count: 786418
Free blocks: 378908
Free inodes: 3929600
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 1020
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Filesystem created: Fri Nov 12 18:14:19 2010
Last mount time: Mon Jan 17 21:29:13 2011
Last write time: Mon Jan 17 21:29:13 2011
Mount count: 4
Maximum mount count: 28
Last checked: Mon Jan 17 19:28:23 2011
Check interval: 15552000 (6 months)
Next check after: Sat Jul 16 20:28:23 2011
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: cc559550-d6b7-48b0-a9f7-b29e06a3f465
Journal backup: inode blocks