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https://issues.apache.org/jira/browse/CLOUDSTACK-9182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059927#comment-15059927
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ASF GitHub Bot commented on CLOUDSTACK-9182:
--------------------------------------------
GitHub user sureshanaparti opened a pull request:
https://github.com/apache/cloudstack/pull/1252
CLOUDSTACK-9182: Some running VMs turned off on manual migration when auto
migration failed while host preparing for maintenance.
CLOUDSTACK-9182: Some running VMs turned off on manual migration when auto
migration failed while host preparing for maintenance.
Fix: Block VMOperations if Host in PrepareForMaintenance mode. VM
operations (Stop, Reboot, Destroy, Migrate to host) are not allowed when Host
in PrepareForMaintenance mode.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sureshanaparti/cloudstack CLOUDSTACK-9182
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cloudstack/pull/1252.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1252
----
commit 98186f9e6a3f659ac294a30b2243070961c167fe
Author: Suresh Kumar Anaparti <[email protected]>
Date: 2015-12-16T12:31:30Z
CLOUDSTACK-9182: Some running VMs turned off on manual migration when auto
migration failed while host preparing for maintenance.
Fix: Block VMOperations if Host in PrepareForMaintenance mode. VM
operations (Stop, Reboot, Destroy, Migrate to host) are not allowed when Host
in PrepareForMaintenance mode.
----
> 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
> Assignee: 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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