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Support Vm-HA across clusters in case of zone-wide scope primary storage #11807

Description

@kiranchavala

The required feature described as a wish

As a User/Admin/Operator

I would like to my HA enabled vm's to be restarted by vm ha across cluster in case the primary storage zone-scoped.

The current behaviour looks for hosts which are in Up state in the same cluster.

https://docs.cloudstack.apache.org/en/4.21.0.0/adminguide/reliability.html#ha-enabled-instances

As zone wide storage spans clusters it would be great the vm's gets started across cluster when a host goes down.

Activity

  1. added this to the 4.23 milestone on Oct 8, 2025
  2. github-actions commented on Feb 7, 2026

    @github-actions

    This issue is stale because it has been open for 120 days with no activity. It may be removed by administrators of this project at any time. Remove the stale label or comment to request for removal of it to prevent this.

  3. weizhouapache commented on Apr 27, 2026

    @weizhouapache
    Member

    @kiranchavala
    there are several changes for VM HA on zone-wide storage pool and VM migration across clusters
    for example, #5164, and #4534, #7401, #8085

    can you update the global configuration (or zone) migrate.vm.across.clusters to true, and retry ?

    cc @NuxRo

  4. weizhouapache commented on Jun 29, 2026

    @weizhouapache
    Member

    moving to 4.22.2 milestone

  5. modified the milestones: 4.23.0, 4.22.2 on Jun 29, 2026
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