Shut down the RegionServer, switch to the previous version, and start the server:
su - hbase -c "/usr/hdp/current/hbase-regionserver/bin/hbase-daemon.sh stop regionserver"hdp-select set hbase-regionserver 2.2.0.0-2041su - hbase -c "/usr/hdp/current/hbase-regionserver/bin/hbase-daemon.sh start regionserver"Verify that the RegionServer joined the HBase cluster as a live server. The results of the following command sequence should list the downgraded RegionServer as a live server process:
su – hbaseecho 'status "detailed"' | hbase shell
Continue with the next downgrade step.
