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From Stephan Seitz <s.se...@secretresearchfacility.com>
Subject Re: two XenServer Pools on the same primary Storage?
Date Mon, 12 Sep 2016 12:08:29 GMT
Hi Dag,

thank you for your feedback.We're going to introduce a new cluster. Not
really happy with that, but way better than risking any data loss.

- Stephan


Am Montag, den 12.09.2016, 08:24 +0000 schrieb Dag Sonstebo:
> Hi Stephan,
> 
> Zone-wide (i.e. multi-cluster) primary storage is only supported on
> KVM and VMware, not XenServer. 
> 
> Just so we are on the same page though – this applies at a LUN level
> – in other words two XenServer pools can never share a LUN, but they
> can both use different LUNs from the same storage backend.
> 
> And yes – to answer your question – using the same LUN on multiple
> clusters is pretty much guaranteed to cause you problems – most
> likely data corruption and complete loss of data. 
> 
> Regards,
> Dag Sonstebo
> Cloud Architect
> ShapeBlue
> 
> On 09/09/2016, 14:24, "Stephan Seitz" <s.seitz@secretresearchfacility
> .com> wrote:
> 
>     Hi!
>     
>     I've recently expanded our XenServer Pool and had to notice that
> E5-
>     2630 v2 are far different from E5-2630 v4. Due to Dell's R630
> BIOS i'm
>     unable to use Intel FlexMigration. So I'ld loose the live-
> migration
>     feature.
>     Anyway. I'ld start introducing a new XenServer Pool (ACS Cluster)
> with
>     that newer CPU Generation.
>     
>     My Question is: Is it possible to use the same (FC/presetup)
> Primary
>     Storages for both Clusters?
>     I've seen cluster.storage.operations.exclude (which defaults to
> false)
>     but currently don't know if this would need to be set to true on
> the
>     second cluster.
>     
>     Would you expect any problems running two XenServer Pools (say:
> two ACS
>     Clusters) with the same Primary Storages?
>     
>     Thanks for any advice!
>     
>     cheers,
>     
>     - Stephan
>     
>     
>     
> 
> 
> Dag.Sonstebo@shapeblue.com 
> www.shapeblue.com
> 53 Chandos Place, Covent Garden, London  WC2N 4HSUK
> @shapeblue
>   
>  
> 

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