Open Stack

Thank you Xing ,
can snapshot work with thick LUN? can i just buy snapshot license and make
it work

Thanks

On Sat, Nov 15, 2014 at 1:58 AM, yang, xing <xing.yang at emc.com> wrote:

>  Hi,
>
>
>
> The document you referenced is for the VNX Direct Driver.  If you use the
> VNX Direct driver, you need the “thin provisioning license” to create thin
> LUNs.  If you are only creating thick LUNs, you can skip this license.  You
> need the VNX Snapshot license to create a snapshot in Cinder.
>
>
>
> I’m not sure why the licenses are not required when you are using VMWare
> cluster.  Maybe they are thick LUNs only and snapshots are snapview
> snapshots instead of VNX snapshots.
>
>
>
> You need to have cinder-volume running, either on a separate node or on
> the controller node in order to use a cinder driver.
>
>
>
> Thanks,
>
> Xing
>
>
>
>
>
>
>
> *From:* mad Engineer [mailto:themadengin33r at gmail.com]
> *Sent:* Friday, November 14, 2014 12:44 PM
> *To:* openstack at lists.openstack.org
> *Subject:* [Openstack] cinder and EMC VNX storage
>
>
>
> Hi all,
>
>         Currently i am using icehouse release with KVM compute nodes and a
> server with *cinder-volume* installed as my storage server,(it uses iscsi
> to export lvm disks to compute nodes.)
>
> Now i got a chance to TEST EMC storage ie EMC VNX for couple of days which
> is currently used by our vmware cluster .
>
>
>
> but as per icehouse documentation
>
>
>
> *You must activate VNX Snapshot and Thin Provisioning license for the
> array.*
>
>
>
> But i don't have separate license for this and i am sure vmware was using
> this array without any issue (not managed by openstack)
>
>
>
> 1.Do i really need this license to make it work with cinder (if i don't
> care about thin provisioning).
>
> 2.Isn't it possible to use qcow2 image format with EMC VNX and use its
> native snapshot feature?
>
> 3.Do i still need to keep a separate node with cinder-volume installed or
> can my controller node with cinder-api running can directly communicate?
>
>
>
>
>
> i am not aware whether there is any separate mailing list for cinder
>
>
>
>
>
> Thanks
>
>
>
>
>
>
>
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