this is first time, I restore dackup from RAC with ASM to single no ASM, failed
1. control file has been successfully restore
2. datafile restore failed, error message as below:
ORA-17502: ksfdcre:3 Failed to create file +DATA/jaccs/datafile/undotbs01.dbf
ORA-15001: diskgroup "DATA" does not exist or is not mounted
ORA-15077: could not locate ASM instance serving a required diskgroup
ORA-29701: unable to connect to Cluster Synchronization Service
RMAN-06956: create datafile failed; retry after removing +DATA/jaccs/datafile/un
dotbs01.dbf from OS
I need some one help who had experience before
Many thanks,
Karen