- vadi@gooseberry:~$ tune2fs -l /dev/sda1
- tune2fs 1.42 (29-Nov-2011)
- tune2fs: Permission denied while trying to open /dev/sda1
- Couldn't find valid filesystem superblock.
- vadi@gooseberry:~$ sudo tune2fs -l /dev/sda1
- tune2fs 1.42 (29-Nov-2011)
- Filesystem volume name: <none>
- Last mounted on: /
- Filesystem UUID: 20aa0109-67bb-46a0-95c6-626f0f0487eb
- Filesystem magic number: 0xEF53
- Filesystem revision #: 1 (dynamic)
- Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
- Filesystem flags: signed_directory_hash
- Default mount options: (none)
- Filesystem state: clean
- Errors behavior: Continue
- Filesystem OS type: Linux
- Inode count: 6807552
- Block count: 27228928
- Reserved block count: 1361446
- Free blocks: 2430490
- Free inodes: 6379403
- First block: 0
- Block size: 4096
- Fragment size: 4096
- Reserved GDT blocks: 1017
- Blocks per group: 32768
- Fragments per group: 32768
- Inodes per group: 8192
- Inode blocks per group: 512
- Flex block group size: 16
- Filesystem created: Sat Mar 24 04:28:52 2012
- Last mount time: Fri May 18 07:38:12 2012
- Last write time: Tue May 1 08:51:10 2012
- Mount count: 9
- Maximum mount count: 37
- Last checked: Tue May 1 08:51:10 2012
- Check interval: 15552000 (6 months)
- Next check after: Sun Oct 28 08:51:10 2012
- Lifetime writes: 353 GB
- 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
- First orphan inode: 5821341
- Default directory hash: half_md4
- Directory Hash Seed: a2d423c6-0d65-4b96-b3c9-482c1ba073a5
- Journal backup: inode blocks
- vadi@gooseberry:~$
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