[Openstack-operators] Shared storage HA question

Jacob Godin jacobgodin at gmail.com
Wed Jul 24 14:25:20 UTC 2013

Hi Denis,

I would take a look into GlusterFS with a distributed, replicated volume.
We have been using it for several months now, and it has been stable. Nova
will need to have the volume mounted to its instances directory (default
/var/lib/nova/instances), and Cinder has direct support for Gluster as of
Grizzly I believe.

On Wed, Jul 24, 2013 at 11:11 AM, Denis Loshakov <dloshakov at gmail.com>wrote:

> Hi all,
> I have issue with creating shared storage for Openstack. Main idea is to
> create 100% redundant shared storage from two servers (kind of network RAID
> from two servers).
> I have two identical servers with many disks inside. What solution can any
> one provide for such schema? I need shared storage for running VMs (so live
> migration can work) and also for cinder-volumes.
> One solution is to install Linux on both servers and use DRBD + OCFS2, any
> comments on this?
> Also I heard about Quadstor software and it can create network RAID and
> present it via iSCSI.
> Thanks.
> P.S. Glance uses swift and is setuped on another servers
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