High Availability Data Guard, Sharding and Global Data Services (MOSC)

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DG Broker not applying archive log during switchover

edited Jan 4, 2017 11:49AM in High Availability Data Guard, Sharding and Global Data Services (MOSC) 5 commentsAnswered ✓

Hi

I'm having a problem when using the broker to switch over between primary and standby (and same problem switching back).

Manual switchover and switchback is fine.

The switchover command hangs at:

DGMGRL> switchover to 'STBY1';

Performing switchover NOW, please wait...

Upon looking into it further, the alert log is asking for an archive log file:

Fri Feb 21 11:31:41 2014

Managed Standby Recovery not using Real Time Apply

Parallel Media Recovery started with 2 slaves

Media Recovery Log /dbarclogs/LIVE/LIVE1_146_839853269.dbf

Error opening /dbarclogs/LIVE/LIVE1_146_839853269.dbf

Attempting refetch

Media Recovery Waiting for thread 1 sequence 146

FAL[client, USER]: Error 16456 fetching archived redo log from LIVE_DGMGRL.SURREY.AC.UK

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