We discovered a strange behavior in the Alert Log when the Fast Recovery Area (FRA) is full and the database wants to write something inside it (for example an archivelog). This case concern Oracle 11.2.0.3 databases and higher. Here is a demo with a 12c database (12.1.0.2) : First, to reproduce the behavior, I set a very small size to the FRA :…
By Franck Pachot . In a previous post I used X$KCCAGF to get more information about reclaimable archived logs in FRA, because there is a bug in standby (not opened) databases where archivelog deletion policy is ignored. I explained that the view V$RECOVERY_AREA_USAGE has only aggregated information about space reclaimable without the details about which files are reclaimable or not.…
By Franck Pachot . Do you use ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY for your Oracle databases in Data Guard? Maybe you also use the Fast Recovery Area as archive log destination. That’s good practice! But did you ever check that it works as expected? What I mean is this: The archived logs that you don’t need are…
