ERROR -- ISSUED
ERROR --1 SQL> alter database open resetlogs; alter database open resetlogs * ERROR at line 1: ORA-38856: cannot mark instance UNNAMED_INSTANCE_2 (redo thread 2) as enabled SOLUTIUON:: alter system set "_no_recovery_through_resetlogs"=TRUE scope=both; System altered. SQL> shutdown immediate; ORA-01109: database not open Database dismounted. ORACLE instance shut down. SQL> startup mount ORACLE instance started. Total System Global Area 3206836224 bytes Fixed Size 2232640 bytes Variable Size 1140854464 bytes Database Buffers 2046820352 bytes Redo Buffers 16928768 bytes Database mounted. SQL> alter database open resetlogs; Database altered. ERROR IN CASE OF FULL DB RESTORATION ON STANDBY WE ARE GETTING RMAN RESTORE ends with ORA-01180: can not create datafile creating datafile fno=1 name=/u01/system01.dbf RMAN-00571: ===================================================