dumpe2fs - B

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dumpe2fs 1.45.3 (14-Jul-2019)
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:              1643376
Block count:              6560768
Reserved block count:     328038
Free blocks:              1925695
Free inodes:              1250771
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:         8176
Inode blocks per group:   511
Flex block group size:    16
Filesystem created:       Sat Dec  7 10:44:34 2019
Last mount time:          Fri Aug 27 18:30:31 2021
Last write time:          Fri Aug 27 18:30:31 2021
Mount count:              38
Maximum mount count:      -1
Last checked:             Sat Dec  7 10:44:34 2019
Check interval:           0 ()
Lifetime writes:          845 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:       1046638
Default directory hash:   half_md4
Journal backup:           inode blocks
Checksum type:            crc32c
Checksum:                 0x94f254bb
Journal features:         journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size:             128M
Journal length:           32768
Journal sequence:         0x00314c0a
Journal start:            7763
Journal checksum type:    crc32c
Journal checksum:         0x1cb47622

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