dumpe2fs - nvme1t
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: 4194304
Block count: 16777216
Reserved block count: 838860
Overhead clusters: 407669
Free blocks: 10635964
Free inodes: 3940286
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 Jul 2 06:34:23 2024
Last mount time: Thu Jan 1 00:00:08 1970
Last write time: Thu Jan 1 00:00:08 1970
Mount count: 1535
Maximum mount count: -1
Last checked: Tue Jul 2 06:34:23 2024
Check interval: 0 ()
Lifetime writes: 187 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: 3672887
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xd321ab52
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: 0x00018292
Journal start: 1
Journal checksum type: crc32c
Journal checksum: 0xbf1f9dff