Snapshot standby to/from Physical standby conversion

//Convert to Snapshot

Stop MRP on DR
ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;

ALTER DATABASE CONVERT TO SNAPSHOT STANDBY;
ALTER DATABASE OPEN;

Validate all read-write ops.

/// convert back to physical
SHUTDOWN IMMEDIATE;
STARTUP MOUNT;
ALTER DATABASE CONVERT TO PHYSICAL STANDBY;
SHUTDOWN IMMEDIATE;
STARTUP NOMOUNT;
ALTER DATABASE MOUNT STANDBY DATABASE;

MRP automaticall starts because of DG broker config.

ALTER DATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT;

My Technical Notes