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From "Tanner Danzey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-6396) KVM RBD Volumes shown as OVM, prevents snapshots
Date Tue, 15 Apr 2014 03:47:15 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-6396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969189#comment-13969189
] 

Tanner Danzey commented on CLOUDSTACK-6396:
-------------------------------------------

Submitted potential patch, fixes this error for RBD. Not sure if the issue is still present
for CLVM but if it is, this should fix it.
https://reviews.apache.org/r/20357/

> KVM RBD Volumes shown as OVM, prevents snapshots
> ------------------------------------------------
>
>                 Key: CLOUDSTACK-6396
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6396
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM, Management Server, Oracle VM (OVM), UI, Volumes
>    Affects Versions: 4.3.0, 4.4.0
>         Environment: Ubuntu Server 13.10, Ceph .72, Cloudstack 4.4-git and 4.3.0 release
tested
>            Reporter: Tanner Danzey
>              Labels: kvm, ovm, primary, rbd, storage, ui, volumes
>         Attachments: storage1.png, storage2.png
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> Volumes are incorrectly identified as OVM volumes when RBD is used (due to RBD and KVM
using RAW format in the backend & OVM being assigned sole responsibility of all RAW volumes
on line 1451 of server/src/com/cloud/storage/StorageManagerImpl.java) and this prevents snapshotting.
The current (VERY BAD) fix is to change the return "HypervisorType.OVM" under the RAW case
to "HypervisorType.KVM". Of course, this has ramifications for OVM users. I will be looking
at developing an actual proper fix for this.



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