[Lustre-discuss] upgrade to 1.7.2 or 1.8.1

[Brian J. Murrell]

On Wed, 2009-08-19 at 11:59 +0200, Patricia Santos Marco wrote:
> We have a cluster with two OSS servers and one MDT server with lustre
> 1.6.7 and clients with lustre 1.6.6. We are going to upgrade Lustre to
> solve some bugs like bug 18695 and 20008, but we hesitate to upgrade
> to lustre 1.6.7.2 or lustre 1.8.1. What's your recomendation? 

Well, we generally, always suggest people upgrade to the latest stable
versions.  Of course, both 1.8.1 and 1.6.7.2 fit that category, but 1.6
is in maintenance mode and will not get any new features or non-critical
bug fixes whereas the 1.8 release track will get some feature
enhancements, and all ongoing bug fixes.

> Lustre 1.8.1 can be running on production correctly?

Absolutely.

> Clients with Lustre 1.6.6 can work correctly with a MDS and OSSs with
> Lustre 1.8.1? thanks!!

I don't know that we have tested 1.6.6 clients with 1.8.1 specifically
but I don't think there are any known reasons that would be a problem.

b.

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