Hi, Can you provide any logs from production ? Outage of standby database running in synchronous mode with production can do a short time (until NetTimeout) issue for sessions committing on primary but nothing else. regards, Marcin On Fri, Jun 27, 2014 at 7:51 PM, Sanjay Mishra <dmarc-noreply@xxxxxxxxxxxxx> wrote: > Hi > > Does anyone know how FRA filling on Standby can cause outage on > Production.? Has two standby and one primary non-RAC (Both Primary and > Standby) where FRA on one Standby caused Outage on production. Database at > all place is in Max performance mode. Saw this issue earlier few years back > too > > TIA > Sanjay > -- Marcin Przepiorowski http://oracleprof.blogspot.com