[Lustre-discuss] Lustre as a reliable f/s for an archive datacentre

[John Ouellette]

I'm afraid I'm still not up-to-speed with Lustre (still just reading 
docs).  Do you mean that you can configure Lustre to have N+1 redundancy 
wrt file data?  i.e. If you have two independent OSSs, can you configure 
Lustre so you can take one down and still have access to the data (with 
no direct hardware connections from the second OSS to the OSTs of the 
box that's being taken down)?

Thx,
John

Kevin Fox wrote:
> Its been in Lustre for a while. We're using it in some of our Lustre 1.4
> clusters.
> 
> Kevin
> 
> On Wed, 2009-04-08 at 14:00 -0700, Aaron Porter wrote:
>> On Wed, Apr 8, 2009 at 1:54 PM, John Ouellette
>> <john.ouellette at nrc-cnrc.gc.ca> wrote:
>>> In your architecture, can you take OSS's offline without losing data
>>> access?  My suspicion is that we'd only get this if the OSTs of that
>>> host were also connected to another OSS.
>> The Wiki seems to indicate that 1.8 will allow this, but then the same
>> Wiki says 1.8 should have come out 6-8 months ago...
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>>
> 

-- 
Dr. John Ouellette
Operations Manager
Canadian Astronomy Data Centre
Herzberg Institute of Astrophysics
National Research Council Canada
5071 West Saanich Road, Victoria BC V9E 2E7 Canada
Phone: 250-363-3037