How to force an fsck of the boot partition

Run mount to identify the device name for the boot partition (/):

[root@moon 13:29:31 eyal]# mount

sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)

proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)

devtmpfs on /dev type devtmpfs (rw,nosuid,size=32523472k,nr_inodes=8130868,mode=755)

securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)

tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)

devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)

tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)

tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)

…

/dev/mapper/centos-root on / type ext4 (rw,relatime,data=ordered)

Check the frequency of the fsck of the boot partition:

[root@moon 13:29:36 john]# sudo tune2fs -l /dev/mapper/centos-root | grep "Maximum mount count"

Maximum mount count:      1

Check the last time the boot partition was fsck-ed:

[root@moon 13:29:36 john]# sudo tune2fs -l /dev/mapper/centos-root | grep "Last checked"

Last checked:             Tue May 15 16:40:51 2018

Change the fsck frequency to every reboot:

[root@moon 13:29:36 john]# sudo tune2fs -c 1 /dev/mapper/centos-root

Reboot:

[root@moon 13:29:36 john]# sudo reboot

Optional: Change the frequency back to what it was prior.