[Openstack-operators] Shared storage HA question

Denis Loshakov dloshakov at gmail.com
Thu Jul 25 05:49:45 UTC 2013


Thanks for advice, I thought about GlusterFS to, but with Cinder it 
hasn't ability to work with snapshots.
And thanks for tip with windows and IO problems, we are trying to make 
private/public cloud and IO is one of main priorities.


On 24.07.2013 17:32, Razique Mahroua wrote:
> I had much performance issues myself with Windows instances, and I/O
> demanding instances. Make sure it fits your env. first before deploying
> it in production
>
> Regards,
> Razique
>
> *Razique Mahroua** - **Nuage & Co*
> razique.mahroua at gmail.com <mailto:razique.mahroua at gmail.com>
> Tel : +33 9 72 37 94 15
>
>
> Le 24 juil. 2013 à 16:25, Jacob Godin <jacobgodin at gmail.com
> <mailto:jacobgodin at gmail.com>> a écrit :
>
>> 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
>> <mailto: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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