When performing SnapCenter Plug-In for Oracle backups for RAC database it fails with the following Resource will be skipped for the current operation, as the preferred hosts are exhausted or in mainte...When performing SnapCenter Plug-In for Oracle backups for RAC database it fails with the following Resource will be skipped for the current operation, as the preferred hosts are exhausted or in maintenance mode for this resource. PL-SCO-20046: Validate prefer host operation for SnapCenter Plug-in for Oracle Database failed for database testdb on host hostname with error Operation Exception occurred during oracle database asm connection, reason: Unexpected operation occurred