Active Data Guard RAC Standby - Apply Instance Node Failure Impact

(Doc ID 1357597.1)

Last updated on DECEMBER 25, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 and later
Information in this document applies to any platform.
***Checked for relevance on 08-Aug-2014***

Symptoms

In an Active Data Guard RAC standby, if the redo apply instance crashes, all other instances of that standby that were open Read Only will be closed and returned to the MOUNT state. This disconnects all readers of the Active Data Guard standby.


Cause

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