My Oracle Support Banner

[PCA/OVM] Compute Nodes / OVM Servers Self-fence (reboot via kernel panic) After Extended Failure of a Clustered Storage Device (Doc ID 2423328.1)

Last updated on JULY 14, 2020

Applies to:

Private Cloud Appliance - Version 2.0.5 and later
Oracle VM - Version 3.2.1 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64


Compute nodes / OVM Servers suffer a kernel panic upon extended loss of access to non-heartbeat clustered storage device.

If all paths to the storage are lost, and multipath cannot access any of them, OCFS2 invokes a kernel panic:

The dm-24 device above where the error has been raised is a multipath device of a repository, not the global heartbeat device (OVM "pool filesystem"). 


In the example reported, testing was being performed to establish consequences of complete failure of a storage device; previously the issue had occurred in a production PCA system when an external storage device completely failed, not even able to provide fail-over to another path.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.