Tag Archives: high availability

Oracle Data Guard Switchover via DGMGRL vs. #em12c

When you start to look at high availability and replication of data many people look at either Oracle Data Guard or Oracle GoldenGate.  Personally, I opt for Oracle GoldenGate; however, it is not always the best fit for smaller environments where cost is a concern.  When cost is a concern, Oracle Data Guard is a […]

ORA-25401 – “Cannot continue fetches”

Tonight I had a customer call me requesting help.  When asked what the problem was, they did not really know.  All they knew was that production was having a problem and it needed to be fixed.  Customer suggested that I contact the on-site support; so after tracking down a phone number I was able to […]