Tune2fs on /dev/sda5

tune2fs 1.42.12 (29-Aug-2014)
Filesystem volume name:   <none>
Last mounted on:          /home
Filesystem UUID:          b57ec990-34df-4ea5-94c3-24dd6ac41881
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype needs_recovery 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:              18178048
Block count:              72697856
Reserved block count:     3634891
Free blocks:              58862830
Free inodes:              17836993
First block:              0
Block size:               4096
Fragment size:            4096
Reserved GDT blocks:      1006
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         8192
Inode blocks per group:   512
RAID stride:              32745
Flex block group size:    16
Filesystem created:       Sat Feb 14 12:04:45 2015
Last mount time:          Thu Sep 17 17:44:09 2015
Last write time:          Thu Sep 17 17:44:09 2015
Mount count:              2
Maximum mount count:      -1
Last checked:             Thu Sep 17 17:38:42 2015
Check interval:           0 (<none>)
Lifetime writes:          413 GB
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:	          256
Required extra isize:     28
Desired extra isize:      28
Journal inode:            8
First orphan inode:       14419182
Default directory hash:   half_md4
Directory Hash Seed:      a12ec193-26c3-4cbd-950a-070dca7da712
Journal backup:           inode blocks