dumpe2fs - b
dumpe2fs 1.46.5 (30-Dec-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: 117055488
Block count: 468220416
Reserved block count: 23411020
Overhead clusters: 7630421
Free blocks: 301893703
Free inodes: 116376912
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
RAID stride: 32
RAID stripe width: 32
Flex block group size: 16
Filesystem created: Mon Feb 27 15:00:28 2023
Last mount time: Wed Mar 22 13:20:37 2023
Last write time: Wed Mar 22 13:20:36 2023
Mount count: 11
Maximum mount count: -1
Last checked: Mon Feb 27 15:00:28 2023
Check interval: 0 ()
Lifetime writes: 12 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
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x6cea2bd4
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: 0x027b84f9
Journal start: 171865
Journal checksum type: crc32c
Journal checksum: 0x8dab3dfa