To the best of my knowledge, there are no changes between 0.12->0.13 that would prevent a rolling upgrade. That said, we have not tested that specific use-case yet -- it's in the pipeline to be part of our pre-release automated testing.
I'd recommend you'd try it on a QA cluster before doing it live...but it should generally work. :) D. On Wed, Oct 13, 2010 at 11:30 AM, Alexander Sicular <sicul...@gmail.com> wrote: > Well it sounds to me that there are three primary considerations. Riak_core, > Riak_kv and bitcask (assuming you are using that backend). If either of those > change in some incompatible way you could end up doing damage to your data. I > dunno, sounds possible to me. That said, rolling upgrades would be ... > desirable. Personally I would not do it unless Basho said it was kosher. > > -Alexander > > > On Oct 13, 2010, at 1:23 PM, Wilson MacGyver wrote: > >> I thought it's possible to do "rolling upgrade". ie, shutdown 1 node, >> upgrade it, and reconnect the >> node to the cluster. >> >> otherwise you'd need 2X of the nodes in production. >> >> On Wed, Oct 13, 2010 at 1:21 PM, Alexander Sicular <sicul...@gmail.com> >> wrote: >>> I'm pretty sure that Baho would recommend that all nodes in a cluster >>> should be running the same version. An upgrade would probably require doing >>> a full database backup and a full database restore on a *new* cluster. >>> >>> -Alexander >>> >>> On Oct 13, 2010, at 10:06 AM, SKester wrote: >>> >>>> Hey folks, >>>> >>>> What is the proper way to upgrade a cluster from 0.12 to 0.13? Our 4 node >>>> cluster was originally created by installing the 0.12 rpms. Is the >>>> process as simple as stopping riak on a node, installing the new rpm and >>>> re-starting? Is it possible to roll through each node one at a time while >>>> the others are still available, or do all nodes need to be halted and >>>> upgraded at the same time? I have backed up the /etc/riak directory to >>>> save the initial config data. Are the 0.12 config files fully compatible >>>> with 0.13? >>>> >>>> Thanks, >>>> Scott >>>> _______________________________________________ >>>> riak-users mailing list >>>> riak-users@lists.basho.com >>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>> >>> >>> -Alexander Sicular >>> >>> @siculars >>> >>> >>> _______________________________________________ >>> riak-users mailing list >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>> >> >> >> >> -- >> Omnem crede diem tibi diluxisse supremum. >> >> _______________________________________________ >> riak-users mailing list >> riak-users@lists.basho.com >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > > -Alexander Sicular > > @siculars > > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
