Re: Dataguard Exadata -> Database Appliance

From: Fuad Arshad <fuadar_at_yahoo.com>
Date: Wed, 16 Apr 2014 07:50:26 -0500
Message-Id: <8737DC6C-00BF-4D28-8BC8-91C028ABC324_at_yahoo.com>

actually the ODA has evolved quite a bit while infrastructure patches are non rolling database and GI have been rolling for a while now

Fuad

> On Apr 16, 2014, at 7:46, Ivan Ricardo Schuster <ivanrs79_at_gmail.com> wrote:
> 
> "One other point to keep in mind is that the ODA does not do rolling patches"
> 
> Why not, Seth?
> 
> 
>> On 15 April 2014 18:07, Seth Miller <sethmiller.sm_at_gmail.com> wrote:
>> GG,
>> 
>> 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 <grzegorzof_at_interia.pl> wrote:
>>> Are You kidding guys ?
>>>
>>> from http://www.oracle.com/technetwork/database/database-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
>>>
>>> --
>>> http://www.freelists.org/webpage/oracle-l
>

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Received on Wed Apr 16 2014 - 14:50:26 CEST