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https://issues.apache.org/jira/browse/CLOUDSTACK-9349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15260166#comment-15260166
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ASF GitHub Bot commented on CLOUDSTACK-9349:
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Github user swill commented on the pull request:
https://github.com/apache/cloudstack/pull/1500#issuecomment-215087358
Thank you for the results. I think that is all we need from a CI
perspective. Jenkins and Travis have been kicked off again as well, so that is
good. Hopefully we will be all green on that front too.
We need some LGTM code reviews on this one. Thanks...
> Unable to detach root volume when using Hypervisor Type KVM
> -----------------------------------------------------------
>
> Key: CLOUDSTACK-9349
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9349
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Volumes
> Affects Versions: 4.5.1, 4.6.2, 4.7.1, 4.8.0, 4.9.0
> Environment: Centos 7
> Reporter: Simon Weller
> Priority: Minor
> Fix For: 4.7.2
>
>
> Back in 4.5, support was added in CLOUDSTACK-6284 for detaching root volumes.
> The original support was meant to work with Xen, VMware and KVM.
> After chatting with fuflo in the Cloudstack irc channel, it was pointed out
> that a constraint was not correctly modified in VolumeApiServiceImpl.java to
> allow the detach to occur when vm.getHypervisorType() == HypervisorType.KVM.
> This is a very useful feature, as it allows us to simulate a snapshot revert
> with Ceph by using createVolume sourced from a snapshot, then detaching and
> reattaching the root volume (new root volume needs to be attached as
> device=0).
> I'm going to propose a PR for this shortly
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