Tune2fs Output

tune2fs-l-output.bash

➜  files tune2fs -l /dev/vda1
tune2fs 1.44.1 (24-Mar-2018)
Filesystem volume name:   <none>
Last mounted on:          /
Filesystem UUID:          133a1e39-8da9-4120-92e1-4b54f8281f1b
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:              25600000
Block count:              104857339
Reserved block count:     5242812
Free blocks:              102628391
Free inodes:              25484412
First block:              0
Block size:               4096
Fragment size:            4096
Group descriptor size:    64
Reserved GDT blocks:      325
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         8000
Inode blocks per group:   500
Flex block group size:    16
Filesystem created:       Wed Oct 17 00:50:16 2018
Last mount time:          Mon Dec 24 17:06:38 2018
Last write time:          Mon Dec 24 17:06:38 2018
Mount count:              2
Maximum mount count:      -1
Last checked:             Mon Dec 24 16:30:28 2018
Check interval:           0 (<none>)
Lifetime writes:          8 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
Default directory hash:   half_md4
Directory Hash Seed:      5775bcf7-df1c-4fa2-9591-7a301df5017e
Journal backup:           inode blocks
Checksum type:            crc32c
Checksum:                 0xf812ee03