Re: Infiniband 40GB

[Hannes Reinecke <hare@xxxxxxx>]

On 06/04/2012 09:26 AM, Stefan Priebe - Profihost AG wrote:
> Am 04.06.2012 08:22, schrieb Hannes Reinecke:
>> Hehe.
>> Good luck with that.
>>
>> We've tried on 10GigE with _disastrous_ results.
>> Up to the point where 1GigE was actually _faster_.
> 
> So you mean you've tried 10GBE or 10GB ipoib with Infiniband?
> 
>> - osd-server is calling 'fsync' on each and every write request.
>>    Does wonders for performance ...
> Already talked to the ceph guys?
> 
Still not there yet. Still need to figure out the exact details;
performance regressions are notoriously hard to track.

But yeah, rumours have it we are in contact.
Project management on our side could be improved, though ;)

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@xxxxxxx			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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