Hi David,
> Am 06.06.2016 um 15:26 schrieb David Turner <david.tur...@storagecraft.com>: > > Best practices in general say to do them separate. If something doesn't > work... Is it the new kernel, some package that are different on 16.04, > Jewel, etc. The less things in that list the easier it is to track down the > issue and fix it. > > As far as order, hammer 0.94.5 wasn't built with 16.04 in mind. Jewel lists > both as compatibilities. I would say upgrade to jewel, make sure things are > stable, and then upgrade to 16.04. It might even be wise to add a third > upgrade step of running the kernel you'll be using on 16.04 before you > upgrade to 16.04 to separate the 2 out. > > The biggest question though is why you're upgrading Ubuntu. New software does > not mean better. The 3.16 kernel was the last kernel before an xfs file > system regression was added to the kernel and hadn't been fixed yet in 4.2. > So Ceph storage nodes running osds on xfs would be better on the much older > kernel. do you have a link describing the regression in xfs? I was not aware of any recommendation of using 3.16 kernels with osds running on xfs. Thanks! Uwe > > Sent from my iPhone > >> On Jun 5, 2016, at 5:48 PM, Sebastian Köhler <s...@tyrion.de> wrote: >> >> Hi, >> >> we are running a cluster with 6 storage nodes(72 osds) and 3 monitors. >> The osds and and monitors are running on Ubuntu 14.04 and with ceph 0.94.5. >> We want to upgrade the cluster to Jewel and at the same time the OS to >> Ubuntu 16.04. What would be the best way to this? First to upgrade the >> OS and then ceph to 0.94.7 followed by 10.2.1. Or should we first >> upgrade Ceph and then Ubuntu? Or maybe doing it all at once? >> >> Regards >> Sebastian >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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