You can’t stream between versions, so in order to grow the cluster, you’ll need to be entirely on 2.0 or entirely on 2.1.
If you go to 2.1 first, be sure you run upgradesstables before you try to extend the cluster. On 5/18/16, 11:17 AM, "Erik Forsberg" <forsb...@opera.com> wrote: >Hi! > >I have a 2.0.13 cluster which I need to do two things with: > >* Extend it >* Upgrade to 2.1.14 > >I'm pondering in what order to do things. Is it a supported operation to >extend a partially upgraded cluster, i.e. a cluster upgraded to 2.0 >where not all sstables have been upgraded? > >If I do that, will the sstables written on the new nodes be in the 2.1 >format when I add them? Or will they be written in the 2.0 format so >I'll have to run upgradesstables anyway? > >The cleanup I do on the existing nodes, will write the new 2.1 format, >right? > >There might be other reasons not to do this, one being that it's seldom >wise to do many operations at once. So please enlighten me on how bad an >idea this is :-) > >Thanks, >\EF
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