dumpe2fs - test_1
dumpe2fs 1.47.0 (5-Feb-2023)
Filesystem volume name: rootfs
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 flex_bg sparse_super large_file dir_nlink extra_isize metadata_csum
Filesystem flags: unsigned_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 7683104
Block count: 31085056
Reserved block count: 1554238
Free blocks: 29518730
Free inodes: 7541798
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 308
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8096
Inode blocks per group: 506
Flex block group size: 16
Filesystem created: Tue Dec 5 00:02:47 2023
Last mount time: Tue Dec 5 00:05:23 2023
Last write time: Wed Dec 31 19:00:03 1969
Mount count: 5
Maximum mount count: -1
Last checked: Tue Dec 5 00:02:47 2023
Check interval: 0 ()
Lifetime writes: 5452 MB
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: 152222
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x02b225a1
Journal features: journal_incompat_revoke journal_checksum_v3
Total journal size: 64M
Total journal blocks: 16384
Max transaction length: 16384
Fast commit length: 0
Journal sequence: 0x000070ca
Journal start: 12120
Journal checksum type: crc32c
Journal checksum: 0xf8cd5267