If you run full repair then it should be fine, since all the replicas are present on all the nodes. If you are using -pr option then you need to run on all the nodes.
On Tue, Oct 27, 2020 at 4:11 PM Fred Al <fredder...@gmail.com> wrote: > Hello! > Running Cassandra 2.2.9 with a 4 node cluster with replication factor 4. > When running anti-entropy repair is it required to run repair on all 4 > nodes or is it sufficient to run it on only one node? > Since all data is replicated on all nodes i.m.o. only one node would need > to be repaired to repair all data in the cluster. > If it's required to run on all nodes, please give an explanation as to why? > > Regards > Fredrik >