Thank you James and Nick, On Fri, Dec 5, 2014 at 4:46 PM, Nick Fisk <nick@xxxxxxxxxx> wrote: > Ok sorry, I thought you had a need for some of the features in Giant, using > tunables is probably easier in that case. I'm not sure :) I never played with the tunables before (still running a testbed only) I will test it again with 14.04.2 and default kernel beginning of next year, I prefer to use the "official" kernel for the production cluster, but since it's going to be deployed Q1-Q2 next year I should be safe. .a. > However if you do want to upgrade there are debs available:- > > http://kernel.ubuntu.com/~kernel-ppa/mainline/ > > and I believe 3.16 should be available in the 14.04.2 release, which should > be released early next year. > > Nick > > -----Original Message----- > From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of > Antonio Messina > Sent: 05 December 2014 15:38 > To: Nick Fisk > Cc: ceph-users@xxxxxxxxxxxxxx; Antonio Messina > Subject: Re: Giant or Firefly for production > > On Fri, Dec 5, 2014 at 4:25 PM, Nick Fisk <nick@xxxxxxxxxx> wrote: >> This is probably due to the Kernel RBD client not being recent enough. >> Have you tried upgrading your kernel to a newer version? 3.16 should >> contain all the relevant features required by Giant. > > I would rather tune the tunables, as upgrading the kernel would require a > reboot of the client. > Besides, Ubuntu Trusty does not provide a 3.16 kernel, so I would need to > recompile... > > .a. > > -- > antonio.messina@xxxxxxxxxxx +41 (0)44 635 42 22 > antonio.s.messina@xxxxxxxxx > S3IT: Service and Support for Science IT http://www.s3it.uzh.ch/ > University of Zurich > Winterthurerstrasse 190 > CH-8057 Zurich Switzerland > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > -- antonio.messina@xxxxxxxxxxx +41 (0)44 635 42 22 antonio.s.messina@xxxxxxxxx S3IT: Service and Support for Science IT http://www.s3it.uzh.ch/ University of Zurich Winterthurerstrasse 190 CH-8057 Zurich Switzerland _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com