Bootloader ... FAILED - it looks like there are no valid bootloader entries. please ensure this is fixed before rebooting.

 Applies to :

O-Virt 4.X

RHV 4.X

OLVM


Problem Description :

- Node is not able to assign SPM 

- Node is not able to go in maintenance Mode.

- Virtual Machine status "PAUSE "

- "nodectl check" status FAILED.

- Bootloader ... FAILED - it looks like there are no valid bootloader entries. Please ensure this is fixed before rebooting.

- Layer boot entries ... FAILED - No bootloader entries which point to imgbased layers.

- valid boot entries ... FAILED - No valid boot entries for imgbased layers or non-imgbased layers.





CAUSE :

- Low Space on Montpoints

- VDSM Service 

RESOLUTION :

- Login to Ovirt Management Console.

- Try to Assign SPM capability to another cluster node. ( if will fail with error )

- Login to the affected node from SSH and checked the status with "nodectl check" command.

- Restart VDSM Service with “systemctl restart vdsmd” 

- Restart Multipath Service with “systemctl restart multipathd”

- Move All Running VM’s from the affected node to another cluster node.

- Put the affected host in “Maintenance Mode” by -> Hosts -> Management -> Maintenance.

- type "df -h"



- check /TMP mount point and it should have sufficient free space, if not ? clean it up.



- Reboot affected Node.

- After reboot, login to server via SSH and Check Status with " nodectl check "


- Activate Host via Hosts -> Management -> Activate.

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