dumpe2fs - a
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: 195321856
Block count: 781272832
Reserved block count: 39063641
Overhead clusters: 12548202
Free blocks: 559382211
Free inodes: 193248354
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: 64
RAID stripe width: 64
Flex block group size: 16
Filesystem created: Tue Aug 15 13:00:58 2023
Last mount time: Fri Oct 6 16:00:50 2023
Last write time: Fri Oct 6 17:00:53 2023
Mount count: 27
Maximum mount count: -1
Last checked: Tue Aug 15 13:00:58 2023
Check interval: 0 ()
Lifetime writes: 47 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: 38165354
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xb4d1bbd9
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: 0x0f1ef75d
Journal start: 39145
Journal checksum type: crc32c
Journal checksum: 0x94a17dd0