After upgrade, RHEL worker node is out of sync and is in SchedulingDisabled state

Solution Verified - Updated -

Issue

  • Node worker1.example.com is out of sync and is reporting error message: "Failed to find /dev/disk/by-label/root".
  • MachineConfigPool named worker is in degraded state.
  • Filesystem labels for this node are missing and can be seen using below command:
$ ls -l /dev/disk/by-label
NAME            FSTYPE      LABEL UUID  MOUNTPOINT
fd0                                                                      
sda                                                                      
sda1            ext4              xxxxxx   /boot
sda2            LVM2_member       yyyyyy 
rootvg-root_lv  xfs               zzzzzz   /
rootvg-swap_lv  swap              vvvvvv   
rootvg-tmp_lv   xfs               uuuuuu   /tmp
rootvg-var_lv   xfs               tttttt   /var
rootvg-home_lv  xfs               ssssss   /home
rootvg-swap2_lv swap              wwwwww   
sdb                                                                      
sdb1            LVM2_member       rrrrrr 
rootvg-var_lv   xfs               qqqqqq

Environment

  • Red Hat OpenShift Container Platform
    • 4.5
  • Red Hat Enterprise Linux
    • 7.9

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