Yes repairs are prohibited in mixed version cluster. If you want to monitor please disable repairs till complete upgrade is finished
On Sat, Jul 8, 2023, 01:21 Runtian Liu <curly...@gmail.com> wrote: > Hi, > > We are upgrading our Cassandra clusters from 3.0.27 to 4.0.6 and we > observed some error related to repair: j.l.IllegalArgumentException: > Unknown verb id 32 > > We have two datacenters for each Cassandra cluster and when we are doing > an upgrade, we want to upgrade 1 datacenter first and monitor the upgrade > datacenter for some time (1 week) to make sure there is no issue, then we > will upgrade the second datacenter for that cluster. > > We have some automated repair jobs running, is it expected to have repair > stuck if we have 1 datacenter on 4.0 and 1 datacenter on 3.0? > > Do you have any suggestions on how we should do the upgrade, is waiting > for 1 week between two datacenters too long? > > Thanks, > Runtian > >
