On Tue, Nov 25, 2014 at 10:21 AM, Michael Di Domenico <mdidomenico4(a)gmail.com&gt; wrote: > I'm trying to get lustre to work on a rhel 6.6 running kernel > 2.6.32-504.el6.x86_64 > > the compile of the client seems to go okay, but when i mount i get > > "protocol error" from the mount command > > the console shows (paraphrased) > > lustre_unpack_rep_ptlrpc_body: bad lustre msg magic: 000000000 > unpack ptrlrpc body failed > > The same machine running 6.5 with a 2.4.3 client seems to work fine, > so i'm fairly certain it's just the upgrade to 6.6 that broke things upgrading to lustre 2.5.3 didn't help. given that someone else posted a bit ago about 2.5.3 working on 6.6 with the same kernel, i believe this is probably localized to infiniband somehow

On Fri, Dec 5, 2014 at 6:53 AM, Martin Hecht <hecht(a)hlrs.de&gt; wrote: >>> The same machine running 6.5 with a 2.4.3 client seems to work fine, >>> so i'm fairly certain it's just the upgrade to 6.6 that broke things >> upgrading to lustre 2.5.3 didn't help. given that someone else posted >> a bit ago about 2.5.3 working on 6.6 with the same kernel, i believe >> this is probably localized to infiniband somehow >> > a few links which might be helpful here: > > https://lists.01.org/pipermail/hpdd-discuss/2014-November/001358.html

> https://jira.hpdd.intel.com/secure/attachment/16269/patch_backport_to_lus... > https://jira.hpdd.intel.com/browse/LU-5740 I did see those and perhaps improperly assumed the backport patch for 2.5.3 was automatically applied in the rpm creation. Which is why i went when 2.5.3 instead of 2.7.0, but i guess i could download the client source for 2.7.0 and see if the fix is in. i was a little apprehensive of rolling my client to 2.7.0 when my servers are at 2.4.3, but perhaps that's no longer the case like it used to be