sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=32919816k,nr_inodes=8229954,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=6585556k,mode=755)
/dev/sda3 on / type xfs (rw,noatime,nodiratime,attr2,inode64,logbsize=256k,sunit=512,swidth=1536,usrquota)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
cgroup on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=28,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
/dev/sda2 on /boot type ext2 (rw,relatime,block_validity,barrier,user_xattr,acl)
mount -o remount,ro /
Check /dev/sda3 ...
Phase 1 - find and verify superblock...
Cannot get host filesystem geometry.
Repair may fail if there is a sector size mismatch between
the image and the host filesystem.
        - reporting progress in intervals of 15 minutes
        - block cache size set to 6137744 entries
Phase 2 - using internal log
        - zero log...
zero_log: head block 23552 tail block 23552
        - scan filesystem freespace and inode maps...
        - 07:32:58: scanning filesystem freespace - 32 of 32 allocation groups done
        - found root inode chunk
Phase 3 - for each AG...
        - scan and clear agi unlinked lists...
        - 07:32:58: scanning agi unlinked lists - 32 of 32 allocation groups done
        - process known inodes and perform inode discovery...
        - agno = 15
        - agno = 0
        - agno = 30
        - agno = 16
        - agno = 31
        - agno = 1
        - agno = 17
        - agno = 2
        - agno = 3
        - agno = 18
        - agno = 4
        - agno = 19
        - agno = 5
        - agno = 20
        - agno = 6
        - agno = 21
        - agno = 7
        - agno = 22
        - agno = 8
        - agno = 23
        - agno = 9
        - agno = 24
        - agno = 10
        - agno = 25
        - agno = 11
        - agno = 26
        - agno = 12
        - agno = 27
        - agno = 13
        - agno = 28
        - agno = 14
        - agno = 29
        - 07:33:16: process known inodes and inode discovery - 17540288 of 17540288 inodes done
        - process newly discovered inodes...
        - 07:33:16: process newly discovered inodes - 32 of 32 allocation groups done
Phase 4 - check for duplicate blocks...
        - setting up duplicate extent list...
        - 07:33:16: setting up duplicate extent list - 32 of 32 allocation groups done
        - check for inodes claiming duplicate blocks...
        - agno = 0
        - agno = 1
        - agno = 2
        - agno = 3
        - agno = 4
        - agno = 6
        - agno = 7
        - agno = 10
        - agno = 8
        - agno = 5
        - agno = 9
        - agno = 11
        - agno = 12
        - agno = 13
        - agno = 14
        - agno = 15
        - agno = 16
        - agno = 17
        - agno = 18
        - agno = 19
        - agno = 20
        - agno = 21
        - agno = 22
        - agno = 23
        - agno = 24
        - agno = 25
        - agno = 26
        - agno = 27
        - agno = 28
        - agno = 29
        - agno = 30
        - agno = 31
        - 07:33:18: check for inodes claiming duplicate blocks - 17540288 of 17540288 inodes done
Phase 5 - rebuild AG headers and trees...
        - agno = 0
        - agno = 1
        - agno = 2
        - agno = 3
        - agno = 4
        - agno = 5
        - agno = 6
        - agno = 7
        - agno = 8
        - agno = 9
        - agno = 10
        - agno = 11
        - agno = 12
        - agno = 13
        - agno = 14
        - agno = 15
        - agno = 16
        - agno = 17
        - agno = 18
        - agno = 19
        - agno = 20
        - agno = 21
        - agno = 22
        - agno = 23
        - agno = 24
        - agno = 25
        - agno = 26
        - agno = 27
        - agno = 28
        - agno = 29
        - agno = 30
        - agno = 31
        - 07:33:19: rebuild AG headers and trees - 32 of 32 allocation groups done
        - reset superblock...
Phase 6 - check inode connectivity...
        - resetting contents of realtime bitmap and summary inodes
        - traversing filesystem ...
        - agno = 0
        - agno = 1
        - agno = 2
        - agno = 3
        - agno = 4
        - agno = 5
        - agno = 6
        - agno = 7
        - agno = 8
        - agno = 9
        - agno = 10
        - agno = 11
        - agno = 12
        - agno = 13
        - agno = 14
        - agno = 15
        - agno = 16
        - agno = 17
        - agno = 18
        - agno = 19
        - agno = 20
        - agno = 21
        - agno = 22
        - agno = 23
        - agno = 24
        - agno = 25
        - agno = 26
        - agno = 27
        - agno = 28
        - agno = 29
        - agno = 30
        - agno = 31
        - traversal finished ...
        - moving disconnected inodes to lost+found ...
Phase 7 - verify and correct link counts...
        - 07:33:45: verify and correct link counts - 32 of 32 allocation groups done
Note - quota info will be regenerated on next quota mount.

        XFS_REPAIR Summary    Thu Jan  3 07:34:52 2019

Phase           Start           End             Duration
Phase 1:        01/03 07:32:57  01/03 07:32:57
Phase 2:        01/03 07:32:57  01/03 07:32:58  1 second
Phase 3:        01/03 07:32:58  01/03 07:33:16  18 seconds
Phase 4:        01/03 07:33:16  01/03 07:33:18  2 seconds
Phase 5:        01/03 07:33:18  01/03 07:33:19  1 second
Phase 6:        01/03 07:33:19  01/03 07:33:45  26 seconds
Phase 7:        01/03 07:33:45  01/03 07:33:45

Total run time: 48 seconds
done
Repair of readonly mount complete.  Immediate reboot encouraged.