[Openstack-operators] Shared storage HA question

Denis Loshakov dloshakov at gmail.com
Thu Jul 25 05:59:22 UTC 2013


Hi Jason, yep Ceph is first solution which I going to try, only thing 
scares me, that it is not ready for production as it was written 
somewhere on ceph.com, but I heard that there are some successfully 
integration with openstack.

Thanks.

On 24.07.2013 17:32, Jason Ford wrote:
> Denis,
>
> Look at ceph (http://ceph.com/) for this since you are trying to use it in
> cinder. We have had pretty good success with it as long as you can give
> your storage network > 1gbit/s speeds.
>
> The basic approach would be to install ceph storage nodes on your boxes
> with disk in it and also install a mon process on each. Put your journals
> on faster drives and install the third mon and the gateway on your
> openstack management box.
>
> There are many howtos on the ceph site for this and they are very helpful
> in IRC if you have questions about it.
>
> Hope this helps!
>
> Regards,
>
> jason
>
> --------------------------------
> Jason Ford
> BlackMesh Managed Hosting
> Drupal/Magento/Wordpress and Private Clouds
> http://www.blackmesh.com <http://www.blackmesh.com/>
> 888.473.0854
>
>
>
>
>
> On 7/24/13 10:11 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
>>
>> _______________________________________________
>> OpenStack-operators mailing list
>> OpenStack-operators at lists.openstack.org
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>



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