[ovirt-users] oVirt 3.6 with ScaleIO

Scott Sobotka scott at pragmatica.us
Sun May 29 15:29:07 UTC 2016

Thank you, Gianluca. 

The OpenStack integration with ScaleIO absolutely warrants further investigation on my part. It looks like a rather recent addition to ScaleIO, so I'll need to run that in a lab setting for a while. It looks like the best long term option. 

In the meantime, I think that I might be able to get this working by exposing a few, larger LUNs via NFS running on the ScaleIO nodes. I lose granular snapshot capabilities and MPIO in ScaleIO that way, though. 

If I need real MPIO-type performance on a VM, I guess I can just install the ScaleIO client in the guest and access the LUN that way.

Also, I plan on learning more about the iSCSI Direct LUN logic in oVirt to see if there is enough similarity between the output of iscsiadm and the ScaleIO SDC/SDS utilities to request a direct ScaleIO integration feature. That might be a nice little side project for a while.

Have a great day,

--Scott Sobotka

---- On Sun, 29 May 2016 02:45:36 -0700  gianluca.cecchi at gmail.com  wrote ----

On Sun, May 29, 2016 at 7:18 AM, Scott Sobotka <scott at pragmatica.us> wrote:

Has anyone gotten an oVirt hosted engine and shared storage environment running with ScaleIO as the backing storage? 

I was thinking that I would just set up iSCSI LUNs in ScaleIO and have oVirt point directly to one for the hosted engine setup. From there, my plan was to assign disks to VMs as direct LUNs. 

Unfortunately, it looks like ScaleIO dropped iSCSI support at around version 1.32 and I'm at a loss as to how I can expose ScaleIO LUNs to oVirt.

Thank you,

--Scott Sobotka

I don't know much of ScaleIO, but at least since Liberty release it can be configured as a cinder backend driver in Openstack



So the more "natural" way that comes to mind is to interface oVirt with cinder and configure ScaleIO in cinder in similar way as with Ceph backend


But this implies configuring Openstack too and also I don't know how the security part (see ceph authentication in above link), if present in ScaleIO, could be managed

HIH searching a solution


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