dumpe2fs - C
dumpe2fs 1.46.3 (27-Jul-2021)
Filesystem volume name:
Last mounted on: /
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 17063936
Block count: 68243712
Reserved block count: 3412185
Overhead clusters: 1348676
Free blocks: 35620682
Free inodes: 16254341
First block: 0
Block size: 4096
Fragment size: 4096
Group descriptor size: 64
Reserved GDT blocks: 1024
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Flex block group size: 16
Filesystem created: Mon Oct 11 18:55:58 2021
Last mount time: Sun Jan 23 04:59:01 2022
Last write time: Sun Jan 23 04:58:59 2022
Mount count: 17
Maximum mount count: -1
Last checked: Mon Oct 11 18:55:58 2021
Check interval: 0 ()
Lifetime writes: 13 TB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 32
Desired extra isize: 32
Journal inode: 8
First orphan inode: 16515083
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x3d86c147
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Total journal size: 1024M
Total journal blocks: 262144
Max transaction length: 262144
Fast commit length: 0
Journal sequence: 0x004253a0
Journal start: 249648
Journal checksum type: crc32c
Journal checksum: 0xcf4adffd