On 2012-08-23, at 7:45 AM, chas williams - CONTRACTOR wrote: > On Wed, 22 Aug 2012 21:00:17 -0400 > Ken Hornstein <[email protected]> wrote: > >>> I am not finding where it says explicitly that a lustre client running >>> 1.8 will successfully be able to read and write to a set of lustre >>> servers running lustre 2.1. are there any known issues? >> >> I forget where that was written down; I can report that it works fine. >> WITH THE EXCEPTION of ia64 1.8-based clients; that totally doesn't work. > > when i looked at this briefly i believe the problem was that the ia64 > was fetching a page size (16k for the ia64) from the MDS. the 2.x > MDS replies with a 4k page and the ia64 client thinks this a short > read. this wouldnt be hard to fix for the ia64 but didnt seem like it > was worth the trouble.
I think this was already fixed with change http://review.whamcloud.com/3014 (commit 5318af0793cf4d6b824d39e38225b9153ce0073b), though AFAIK the patch was only landed for the upcoming 2.3.0. I didn't know anyone still used ia64 machines :-). Cheers, Andreas -- Andreas Dilger Whamcloud, Inc. Principal Lustre Engineer http://www.whamcloud.com/ _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
