Rebuild instance fails due to NUMATopologyFilter

Solution Verified - Updated -


  • When rebuilding an instance with a different image and same flavor it fails with "no valid host found" error.
  • When using NUMA topology a rebuild of an instance can fail due to the NUMATopologyFilter;
  • After a resize or rebuild, instance doesn't have any huge pages anymore even though the flavor specifically has hw:mem_page_size set.


Red Hat OpenStack Platform 10
Red Hat OpenStack Platform 13
Red Hat OpenStack Platform 16

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content