dumpe2fs - m2system1t
dumpe2fs 1.45.5 (07-Jan-2020)
Filesystem volume name:
Last mounted on: /mnt
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: 3932160
Block count: 15728640
Reserved block count: 786432
Free blocks: 10205429
Free inodes: 3727509
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: Thu Sep 28 03:31:14 2023
Last mount time: Mon Nov 13 02:20:31 2023
Last write time: Mon Nov 13 02:20:31 2023
Mount count: 21
Maximum mount count: -1
Last checked: Thu Sep 28 03:31:14 2023
Check interval: 0 ()
Lifetime writes: 402 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: 1576183
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xda021650
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 256M
Journal length: 65536
Journal sequence: 0x00682876
Journal start: 33715
Journal checksum type: crc32c
Journal checksum: 0x90de2e40