Loosing a node when minimum server pool count is already reached Checkout the current configuration: $ srvctl config srvpool -g SrvPool1 Server pool name: SrvPool1 Importance: 0, Min: 2, Max: 2 Candidate server names: $ srvctl status srvpool -a Server pool name: Free Active servers count: 1 Active server names: grac1 NAME=grac1 STATE=ONLINE Server pool name: Generic Active servers count: 0 Active server names: Server pool name: SrvPool1 Active servers count: 2 Active server names: grac2,grac3 NAME=grac2 STATE=ONLINE NAME=grac3 STATE=ONLINE -> grac1 is in the Free pool, grac2 and grac3 are active servers in SrvPool1 server pool Drop server grac2 from the cluster # $GRID_HOME/bin/crsctl stop cluster -n grac2 Monitor server pool $ srvctl status srvpool -a Server pool name: Free Active servers count: 1 Active server names: grac1 NAME=grac1 STATE=ONLINE Server pool name: Generic Active servers count: 0 Active server names: Server pool name: SrvPool1 Active servers count: 2 Active server names: grac2,grac3 NAME=grac2 STATE=LEAVING NAME=grac3 STATE=ONLINE -> Server grac2 is leaving .... After a while grac1 is available in our server pool: SrvPool1 $ srvctl status srvpool -a Server pool name: Free Active servers count: 0 Active server names: Server pool name: Generic Active servers count: 0 Active server names: Server pool name: SrvPool1 Active servers count: 2 Active server names: grac1,grac3 NAME=grac1 STATE=ONLINE NAME=grac3 STATE=ONLINE Restart grac2 - should be added to the Free Pool after a while # $GRID_HOME/bin/crsctl start cluster -n grac2 Monitor our server pools $ srvctl status srvpool -a Server pool name: Free Active servers count: 1 Active server names: grac2 NAME=grac2 STATE=ONLINE Server pool name: Generic Active servers count: 0 Active server names: Server pool name: SrvPool1 Active servers count: 2 Active server names: grac1,grac3 NAME=grac1 STATE=ONLINE NAME=grac3 STATE=ONLINE