Add an option to make resource affinity rules "strict/loose"

D

*Daedalus

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Feb 5, 2024
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In HA node affinity rules, we have a "Strict" checkbox, which will not allow a VM/CT to be powered on outside of the selected nodes.
With it unchecked, guests can, but they will always prefer a selected resource.

1757615270307.png

In the HA resource affinity rules, we do not:

1757615313833.png

And it behaves as if there is a "Strict" box, and it is enabled. That is, a guest cannot be migrated or started there.

I'd like to see an option to make these affinity rules "loose".

I have a three node cluster, and I keep certain guests apart for performance reasons, but during maintenance or node failures, I would still prefer them to run with reduced performance rather than not starting at all until the node comes back online.
 
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Hi!

Thanks for the feedback! Correct, HA resource affinity rules are currently strict only as one of the initial main use cases was to provide strict separation in case of a resource limitation, e.g. a specific PCIe device is only available once on each node and so guests must not be on the same node at any time, but the introduction of a non-strict variant was and is still planned in the future for such use cases as yours.

If you want you can create a Bugzilla entry for the feature request [0], so that this feature can be tracked there for other users as well.

[0] https://bugzilla.proxmox.com/enter_bug.cgi?product=pve&component=HA
 
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