Hi Tony,

I’ve seen this issue when you are running overpopulated compute nodes are run out of memory.  Are you oversubscribing memory by any chance?

Thanks,

Mohammed

From: Karera Tony <tonykarera@gmail.com>
Date: Tuesday, January 23, 2024 at 8:57 AM
To: openstack-discuss <openstack-discuss@lists.openstack.org>
Subject: Instances Shutting down themselves

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Hello Team,

For some reason today morning VMs on one of my compute Nodes started shutting down themselves.

When I checked in Horizon, I realized that that particular  Compute was disabled and I enabled it. I restarted the Instances and all is well now.

I have attached the Logs for nova-compute in case someone would like to help.

Regards

Tony Karera