[Openstack-operators] Shared storage HA question

Denis Loshakov dloshakov at gmail.com
Thu Jul 25 06:02:22 UTC 2013


Hi Steven, because we are making semi private/public cloud its very hard 
to predict future load. But i don't think there will be any big and 
heavy VMs.
For now it is pilot project, on future we planing to buy some hardware 
based storages (may by even FC).

Thanks.

On 24.07.2013 17:43, Steven Manos wrote:
> Hi Denis,
>
> Before designing & implementing and shared storage for OpenStack you
> should think carefully about the workload your shared storage needs to
> be built for. How many VMs is it servicing? What sort of workloads are
> they? DBs? Web servers? File servers? etc. Then design according to that
> spec.
>
> Steven.
>
>
> On 24/07/2013, at 10:32 PM, Razique Mahroua <razique.mahroua at gmail.com
> <mailto:razique.mahroua at gmail.com>>
>   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
>>
>> <NUAGECO-LOGO-Fblan_petit.jpg>
>>
>> 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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