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 <[email protected]> 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 <[email protected]> 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
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--
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
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