Re: RAC- Replication
- From: Ilmar Kerm <ilmar.kerm@xxxxxxxxx>
- To: ORACLE-L <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 18 Apr 2012 17:46:42 +0300
Online redo logs for RAC instances should be placed on shared storage,
so each instance has access to all redo logs.
From documentation:
http://docs.oracle.com/cd/B19306_01/server.102/b14229/ha_streams.htm#i1006387
"Using RAC with Streams introduces some important considerations. When
running in a RAC cluster, a capture process runs on the instance that
owns the queue that is receiving the captured logical change records
(LCRs)."
Ilmar
On Wed, Apr 18, 2012 at 5:21 PM, Paul Harrison <cure@xxxxxxxxxxxxx> wrote:
> I thought streams input is the redo logs and every instance has its own redo
> logs.
>
>
> -----Original Message-----
> From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
> On Behalf Of Hemant K Chitale
> Sent: Tuesday, April 17, 2012 7:28 PM
> To: cure@xxxxxxxxxxxxx
> Cc: ORACLE-L
> Subject: Re: RAC- Replication
>
> Data replicatiin (whether Basic or Advanced Replication or Streams or Golden
> Gate) is not tied to the instance of a RAC database that it is replicating
> from. (Golden Gate would have to read from all the redo threads of the
> database).
> It is from database to database not from instance to instance. Both "data
> nodes" access the same database.
> Hemant K Chitale
>
--
Ilmar Kerm
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