dumpe2fs 1.47.0 (5-Feb-2023)
Filesystem volume name:   <none>
Last mounted on:          /mnt
Filesystem UUID:          12482989-4d0e-4e9e-8293-424e45f4546c
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:              7725056
Block count:              30877449
Reserved block count:     1543872
Overhead clusters:        631374
Free blocks:              9199630
Free inodes:              7419048
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:       Thu Jan  1 01:01:02 1970
Last mount time:          Thu Jan  1 01:00:06 1970
Last write time:          Thu Jan  1 01:00:06 1970
Mount count:              83
Maximum mount count:      -1
Last checked:             Thu Jan  1 01:01:02 1970
Check interval:           0 (<none>)
Lifetime writes:          307 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:       3145934
Default directory hash:   half_md4
Directory Hash Seed:      43246f72-3353-437b-ba2f-47194eade38a
Journal backup:           inode blocks
Checksum type:            crc32c
Checksum:                 0x18f5bec8
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:         0x0002f2b2
Journal start:            1
Journal checksum type:    crc32c
Journal checksum:         0xa6eb081b