dumpe2fs - Netac NVMe SSD
dumpe2fs 1.47.0 (5-Feb-2023)
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: 15540224
Block count: 62133248
Reserved block count: 3106662
Overhead clusters: 1253027
Free blocks: 21272019
Free inodes: 12621032
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: Sat Aug 12 13:52:25 2023
Last mount time: Tue Feb 11 09:07:36 2025
Last write time: Tue Feb 11 09:07:35 2025
Mount count: 639
Maximum mount count: -1
Last checked: Sat Aug 12 13:52:25 2023
Check interval: 0 ()
Lifetime writes: 2545 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: 7078016
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xa450e397
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: 0x004f73c6
Journal start: 38006
Journal checksum type: crc32c
Journal checksum: 0x28a3520f