dumpe2fs - USB3.0
dumpe2fs 1.44.1 (24-Mar-2018)
Filesystem volume name: AX720-SmarCOW
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: unsigned_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 58720032
Block count: 234422272
Reserved block count: 11721113
Free blocks: 227385863
Free inodes: 58531070
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: 8208
Inode blocks per group: 513
Flex block group size: 16
Filesystem created: Fri Apr 16 05:20:25 2021
Last mount time: Wed Apr 28 05:56:29 2021
Last write time: Wed Apr 28 05:56:29 2021
Mount count: 23
Maximum mount count: -1
Last checked: Fri Apr 16 05:20:25 2021
Check interval: 0 ()
Lifetime writes: 36 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: 22588526
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x9c96bdf9
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 1024M
Journal length: 262144
Journal sequence: 0x00001fc3
Journal start: 1
Journal checksum type: crc32c
Journal checksum: 0x58b5c5e9