Hi, Yes, it needs to run on every node. This may help - https://www.datastax.com/dev/blog/repair-in-cassandra Consider using '-full' to avoid incremental repair whatsoever. Check the -dc, -dcpar and -local options for controlling its behaviour across DCs please - https://docs.datastax.com/en/cassandra/3.0/cassandra/tools/toolsRepair.html
Regards, Pranab On Wed, Nov 21, 2018 at 3:40 AM Mun Dega <mundeg...@gmail.com> wrote: > Hello, > > I am looking to run 'nodetool repair -pr' for my 30 node Cassandra cluster. > My question is, do I need to run that command on every one of the 30 nodes? > > How about if I have multiple DC's, can a single repair job apply too all > nodes/DC's? > > >