dumpe2fs - nvme256g
dumpe2fs 1.46.5 (30-Dec-2021)
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: unsigned_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 6553600
Block count: 26214400
Reserved block count: 1310720
Overhead clusters: 557842
Free blocks: 18551303
Free inodes: 6266504
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: Tue Aug 6 11:35:39 2024
Last mount time: Thu Jan 1 08:00:06 1970
Last write time: Thu Jan 1 08:00:06 1970
Mount count: 1271
Maximum mount count: -1
Last checked: Tue Aug 6 11:35:39 2024
Check interval: 0 ()
Lifetime writes: 3296 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: 5767220
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xa4ba677e
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Total journal size: 512M
Total journal blocks: 131072
Max transaction length: 131072
Fast commit length: 0
Journal sequence: 0x005d730e
Journal start: 32797
Journal checksum type: crc32c
Journal checksum: 0x2b350510