Suresh Kumar Anaparti created CLOUDSTACK-9182:
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Summary: Some running VMs turned off on manual migration when auto
migration failed while host preparing for maintenance
Key: CLOUDSTACK-9182
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9182
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: Management Server, VMware
Affects Versions: 4.5.2
Environment: vCenter 5.0
Reporter: Suresh Kumar Anaparti
When a host is put into maintenance, CloudStack schedules migration for all the
running VMs present on the host. This scheduling is managed by High
Availability worker thread. And every time a migration fails, CloudStack
re-schedules the migration to be executed after 10 minutes.
In this case, CloudStack fails to migrate some VMs automatically while host is
preparing for maintenance and admin tried to migrate them manually. All these
VMs are turned off after manual migration.
Steps:
- Put a host into maintenance
- Scheduled migration failed for a VM and CloudStack re-scheduled it.
- Before the next scheduled migration, manually migrate the VM to a different
host.
When the next scheduled migration was started by the HA work, it failed because
there was a mismatch between the source host saved in the HA work job and the
actual source host. If VM migration fails due to mismatch then the VM is
stopped on the host it resides on.
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