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From "ASF subversion and git services (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-6396) KVM RBD Volumes shown as OVM, prevents snapshots
Date Mon, 05 May 2014 13:27:15 GMT


ASF subversion and git services commented on CLOUDSTACK-6396:

Commit 601827e6b34cb7debe67a8415a09440c389ba4a1 in cloudstack's branch refs/heads/master from
[;h=601827e ]

CLOUDSTACK-5907, CLOUDSTACK-6396: KVM/RBD & KVM/CLVM volumes mistakenly shown as OVM,
disables snapshotting

modified:   server/src/com/cloud/api/

Signed-off-by: Daan Hoogland <>

> KVM RBD Volumes shown as OVM, prevents snapshots
> ------------------------------------------------
>                 Key: CLOUDSTACK-6396
>                 URL:
>             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
>            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/ 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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