[Lustre-discuss] [wc-discuss] Lustre 2.2 production experience

Nathan Rutman Nathan_Rutman at xyratex.com
Thu Jun 14 16:48:57 PDT 2012

Is there a belief that Lustre 2.2 is any less stable than Lustre 2.1.0?  IOW, are the new features introduced in 2.2 believed to introduce more risk?

On Jun 9, 2012, at 3:20 PM, Andreas Dilger wrote:

> I guess the new Lustre release process is similar to how Ubuntu is released. While we do our best to make each release as stable as possible, there is a different expectation for long-term updates of the feature releases and the maintenance releases. 
> Cheers, Andreas
> On 2012-06-09, at 16:05, Wojciech Turek <wjt27 at cam.ac.uk> wrote:
>> Thanks for a quick reply Andreas. I slightly misunderstood the lustre
>> release process and thought that the next stable/production version is
>> 2.2
>> I am then interested in the experience of people running Lustre 2.1
>> Cheers
>> Wojciech
>> On 9 June 2012 21:52, Andreas Dilger <adilger at whamcloud.com> wrote:
>>> I think you'll find that there are not yet (m)any production deployments of 2.2. There are a number of production 2.1 deployments, and this is the current maintenance stream from Whamcloud.
>>> Cheers, Andreas
>>> On 2012-06-09, at 14:33, Wojciech Turek <wjt27 at cam.ac.uk> wrote:
>>>> I am building a 1.5PB storage system which will employ Lustre as the
>>>> main file system. The storage system will be extended at the later
>>>> stage beyond 2PB.  I am considering using Lustre 2.2 for production
>>>> environment. This Lustre storage system will replace our older 300TB
>>>> system which is currently running Lustre 1.8.8. I am quite happy with
>>>> lustre 1.8.8 however for the new system Lustre 2.2 seem to be a better
>>>> match.  The storage system will be attached to a university wide
>>>> cluster (800 nodes), hence there will be quite a large range of
>>>> applications using the filesystem. Could people with production
>>>> deployments of Lustre 2.2 share their experience please?
>>>> --
>>>> Wojciech Turek
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