RE: 9i standby

Replication happens in discrete chunks and there is a distinct possibility of losing data if replication was used in banks. Banks and other financial institutions are using OPS with EMC or DiskShark (IBM) based remote replication
facilities. I know that Oxford Health Plans uses 4-way parallel server for both data safety and performance reasons.

-----Original Message-----
Sent: Thursday, July 12, 2001 4:51 PM
To: Multiple recipients of list ORACLE-L

Thanks. If anyone else knows of anything out there for really high volume replication over
a WAN it would be appreciated. I was under the impression that banks, credit card companies, and
telephone companies were replicating there data using Oracle but it doesn't look like it.
Anyone know what they are using? It also seems like for certain apps they would have to
use synchronous replicatiion. Has anyone had any experience with Clustra?

Dave

On Thu, Jul 12, 2001 at 03:04:30PM -0400, JOE TESTA wrote:
> Page 61 of Oracle 9i, Data Guard concept.pdf
>
> says the standby can be in one of 2 states, open for read-only or in
managed recovery mode. if its open in read only, it can't have logs applied. I've not gotten around to testing that 9i concept yet. although it looks like it will be kewl to flip between primary and standby WITHOUT rebuilding :)
>
> hth, joe
>
>
>
> >>> turner_at_tellme.com 07/12/01 03:26PM >>>
>
> Anyone know if the standby in 9i can be in readonly mode while the logs
are
> being applied? I've heard about this as being the case and also that this
isn't
> the case.
>
> Thanks, Dave Turner
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