[Lustre-discuss] mixing server versions

Andreas Dilger andreas.dilger at oracle.com
Wed Sep 15 13:37:30 PDT 2010

On 2010-09-15, at 13:32, Brock Palen wrote:
> Thanks that is great to know.  Is there much risk to try with 1.8 and then back off to 1.6 if there are issues?  Risk of data loss?

We do not test/support formatting at a higher Lustre version, and then downgrading below the original version used for formatting.  With 1.6->1.4 this definitely did not work, though I'm not sure if there are specific incompatibilities between 1.8->1.6.

Cheers, Andreas
Andreas Dilger
Lustre Technical Lead
Oracle Corporation Canada Inc.

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