dumpe2fs - A
dumpe2fs 1.45.3 (14-Jul-2019)
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: 1643376
Block count: 6560768
Reserved block count: 328038
Free blocks: 1925695
Free inodes: 1250771
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: 8176
Inode blocks per group: 511
Flex block group size: 16
Filesystem created: Sat Dec 7 10:44:34 2019
Last mount time: Fri Aug 27 18:30:31 2021
Last write time: Fri Aug 27 18:30:31 2021
Mount count: 38
Maximum mount count: -1
Last checked: Sat Dec 7 10:44:34 2019
Check interval: 0 ()
Lifetime writes: 845 GB
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: 1046740
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xd52be609
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 128M
Journal length: 32768
Journal sequence: 0x00358a50
Journal start: 1922
Journal checksum type: crc32c
Journal checksum: 0xf1d70546