Upgrade strategy for clusters with TSX enabled
Issue
Upgrading a RHV cluster that uses a CPU model with TSX CPU instructions causes that the upgraded hosts become non operational and that the running VMs cannot live migrate.
Environment
- Upgrade of Red Hat Virtualization (RHV) 4.3 to 4.4
- Cluster CPU model uses TSX instructions.
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.