[ovirt-devel] DRBD Integration with oVirt

[Hayley Swimelar]

On 06/13/2016 10:00 AM, Allon Mureinik wrote:
> Then definitely don't go the Cinder route. We make WAY too many
> Ceph-centric assumptions there.
>
> I wonder how much effort it would be to implement a DRBD domain in a
> similar fashion to the existing block domains.
>

That was the original plan. The Cinder integration came up in an thread 
concerning interacting with VDSM directly. Here's the thread: 
http://lists.ovirt.org/pipermail/devel/2016-May/013062.html

> On Mon, Jun 13, 2016 at 7:54 PM, Hayley Swimelar <hayley at linbit.com> wrote:
>
>>
>>
>> On 06/13/2016 09:51 AM, Allon Mureinik wrote:
>>
>>> Maybe I'm being daft, but I'm missing something basic here.
>>> What's the end goal? A DRBD Storage Domain in oVirt?
>>>
>>>
>> Hi Allon,
>>
>> A DRBD Storage Domain in oVirt is the goal, yes.
>>
>> On Fri, Jun 3, 2016 at 9:13 PM, Hayley Swimelar <hayley at linbit.com> wrote:
>>>
>>> Hello all,
>>>>
>>>> A DRBD integration into oVirt is currently being planned.
>>>>
>>>> DRBD provides replicated, highly available block storage. For those
>>>> unfamiliar with DRBD more information can be found here:
>>>> https://www.drbd.org/en/comp/drbd-linux-driver
>>>>
>>>> DRBD 9 is the latest version of DRBD and interacts with DRBD Manage which
>>>> is a daemon exposed via a D-Bus api. More information can be found here:
>>>> https://www.drbd.org/en/comp/drbdmanage
>>>>
>>>> DRBD Manage handles the creation, assignment, etc. of DRBD volumes and is
>>>> the interface through which Cinder manages DRBD.
>>>>
>>>> We are looking for advice on how best to have oVirt communicate with DRBD
>>>> Manage and we have come to two options:
>>>>
>>>> 1) Use Cinder. Although we are integrated into Cinder, there are concerns
>>>> about the need to set up a complete Cinder instance to provide access to
>>>> DRBD.
>>>>
>>>> 2) The alternative to Cinder would be to have the oVirt Engine
>>>> communicate
>>>> directly to DRBD Manage via D-Bus.
>>>>
>>>> Any advice on the best way to achieve this would be much appreciated.
>>>>
>>>> --
>>>> Hayley Swimelar
>>>> LINBIT | Keeping the Digital World Running
>>>> DRBD — Corosync — Pacemaker
>>>> +1-503-573-1262 x212
>>>> _______________________________________________
>>>> Devel mailing list
>>>> Devel at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/devel
>>>>
>>>>
>>>>
>>>>
>>>
>> --
>> Hayley Swimelar
>> LINBIT | Keeping the Digital World Running
>> DRBD — Corosync — Pacemaker
>> +1-503-573-1262 x212
>>
>

-- 
Hayley Swimelar
LINBIT | Keeping the Digital World Running
DRBD — Corosync — Pacemaker
+1-503-573-1262 x212