root@example:/mnt# tune2fs -l web-server-x86_64-2017-10-07-v2
tune2fs 1.43.4 (31-Jan-2017)
Filesystem volume name:   <none>
Last mounted on:          /mnt/img-mnt
Filesystem UUID:          5ee5faac-f9f3-4869-a5a0-ca6d35d2bebe
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
Filesystem flags:         signed_directory_hash
Default mount options:    user_xattr acl
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              655360
Block count:              2621440
Reserved block count:     131072
Free blocks:              1263571
Free inodes:              450051
First block:              0
Block size:               4096
Fragment size:            4096
Reserved GDT blocks:      639
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 Oct  7 03:05:05 2017
Last mount time:          Sat Oct  7 03:05:05 2017
Last write time:          Sat Oct  7 03:12:07 2017
Mount count:              1
Maximum mount count:      -1
Last checked:             Sat Oct  7 03:05:05 2017
Check interval:           0 (<none>)
Lifetime writes:          5367 MB
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:      0e802076-3621-4410-a18a-15cd8241d314
Journal backup:           inode blocks