Re: Dataguard Exadata -> Database Appliance

From: Seth Miller <>
Date: Tue, 15 Apr 2014 16:07:26 -0500
Message-ID: <>


I think you are making some assumptions that Chris has already said are not relevant, specifically that processing differences are not a problem. If his workload idles on an Exadata and idles on an ODA, why would memory, smart scan, CPUs, I/O, etc. be an issue?

As many have already mentioned, get the SLA in writing and test the workload on the DR system.

One other point to keep in mind is that the ODA does not do rolling patches. If this is a maintenance requirement and the ODA becomes your primary database, you'll have a problem.

Seth Miller

On Tue, Apr 15, 2014 at 2:07 PM, GG <> wrote:

> Are You kidding guys ?
> from
> appliance/oracle-database-appliance-faq-1903200.pdf
> The Oracle Database Appliance X4-2 is a 4U rack-mountable
> system with two servers and one storage shelf. The two
> servers each contain two 12-core Intel Xeon Processors E5-
> 2697 v2 and 256 GB of memory for a total of 48 processor
> cores and 512 GB of memory per appliance
> The Oracle Database Appliance base configuration contains 18
> TB of raw SAS storage, offering 9 TB double-mirrored or 6
> TB triple-mirrored of resilient usable database storage. There
> are also four 200 GB solid state drives for high performance
> processing of database redo logs.
> and You want to switchover/failover to that from X3 in memory database ?
> :) Good luck .
> The only reason I can think of using ODA as DR for EXA is to have positive
> answer for Boss question 'do we have DR solution' ?
> As DBA You can only pray disaster never happen :).
> Regards
> GG
> --

Received on Tue Apr 15 2014 - 23:07:26 CEST

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