On Aug 14, 2016, at 1:13 PM, Phill Harvey-Smith wrote: > On 14/08/2016 03:09, Stephane Thiell wrote: >> Hi Phil, > > Phill :) > >> I understand that you’re running master on your clients (tag v2_8_56 >> was created 4 days ago) and 2.1 on the servers? Running master in >> production is already a challenge. Also Lustre has never be good for >> cross-version compatibility. For example, it is possible to make 2.1 >> servers work with 2.5 clients and 2.5 servers work with 2.7 clients, >> even though additional patches may be needed. > > Right, I believe that the version of the client we where using before the > upgrade was certainly an older 2.x version, it might be worth seeing if I can > get that to compile on the current kernel.
I guess you have already figured it out, but current master no longer works with 2.1 at all. There was an incompatible 16M RPC patch landed recently that broke the interop, I saw this mentioned on irc some time ago. > Humm upgrading the server is going to be a major pain in the ass, it was > setup before I joined the department and is basically a Redhat kernel running > on an Ubuntu 10.04 base. Ideally I'd want to migrate the servers (we have > separate OSS and MDS) to a supported platform, even if it isn't Ubuntu, it's > just more sane :) There's always an option of downgrading your clients, I guess. Bye, Oleg _______________________________________________ lustre-discuss mailing list lustre-discuss@lists.lustre.org http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org