PRKO-00382
The number of candidate servers {0} in server pool {1} should be one for single instance database {2}
Cause
The server pool specified in 'srvctl modify database' command for a single instance database contained more than 1 candidate servers.
Action
Either modify the given server pool via 'srvctl modify srvpool' command to have only one candidate server specified via -node argument or specify another server pool that contains only one candidate server specified via -node argument.