> Can you confirm that, cause we'll add a new DC with version 1.2.13 > (read-only) and we'll upgarde other DCs to 1.2.13 weeks later. We made some > tests and didn't notice anything. But we didn't test a node failure
Depending on the other version you may not be able to run repair. All nodes have to use the same file version, file versions are here https://github.com/apache/cassandra/blob/cassandra-1.2/src/java/org/apache/cassandra/io/sstable/Descriptor.java#L52 Cheers ----------------- Aaron Morton New Zealand @aaronmorton Co-Founder & Principal Consultant Apache Cassandra Consulting http://www.thelastpickle.com On 14/01/2014, at 7:30 am, Robert Coli <rc...@eventbrite.com> wrote: > On Mon, Jan 13, 2014 at 3:38 AM, Cyril Scetbon <cyril.scet...@free.fr> wrote: > Can you confirm that, cause we'll add a new DC with version 1.2.13 > (read-only) and we'll upgarde other DCs to 1.2.13 weeks later. We made some > tests and didn't notice anything. But we didn't test a node failure > > In general adding nodes at a new version is not supported, whether a single > node or an entire DC of nodes. > > =Rob >