Re: EMC storage replication
- From: goran bogdanovic <goran00@xxxxxxxxx>
- To: Fuad Arshad <fuadar@xxxxxxxxx>, centroid.dba@xxxxxxxxx, JEREMY.SHEEHAN@xxxxxxxxxxxxxxxxx
- Date: Thu, 2 Dec 2010 16:16:29 +0100
Thanks you all for answers!
The idea behind is following:
On primary Data Center we will be having 'primary' database attached to EMC
SAN.
All disk changes should via EMC Replication sent to SAN in second Data
Center located in different town (I have been assured by network guys we
have enough bandwith for this).
On second Data Center we should be having 'secondary' (kind of 'standby')
server connected to 'replicated' SAN - 'active - passive' configuration.
In case that 'primary' server or Data Center 'fails', we should be able to
activate 'secondary' server and "Le voilà !" ... the system is running again
;-)
sound simple and EMC sales state it works ;-) ... and I always double check
statements comming from sales people.
@Jaffar,
convincing management is not an option ;-)
Best Regards,
Goran
On Thu, Dec 2, 2010 at 3:55 PM, Fuad Arshad <fuadar@xxxxxxxxx> wrote:
> Goran,
> We are using both SRDF/A and Server Cloning Processes for replication.
> The process is fairly simple with the most of the coding/scripting effort
> .
> One of the Issues we've encounted is while the Clone process is running
> There is a very high amount of I/O Being Done as the Disk Frame level.
> Since a clone can only be done in the Same Frame level. This can cause
> Database Bottlenecks albeit for a small period of time .
> We've Move to Data guard due to these issues.
> May i Ask what is the requirement . If Offloading Backups is the need.
> I've found Physical Dataguard to be better than EMC Cloning.
> SRDF/A is a different product set from EMC and it allows for between
> Frame/Datacenters replication. It is a fairly costly solution though.
> While Oracle will certify an Oracle Database Running on an EMC Frame. It
> will not certify a 3rd Part product.
> The technology is called Split mirror and the EMC Product is Time Finder.
> Meta link Note *Exploiting EMC Timefinder and Oracle Recovery Manager [ID
> 204719.1]
>
>
> *
>
> ------------------------------
> *From:* goran bogdanovic <goran00@xxxxxxxxx>
>
> *To:* ORACLE-L <oracle-l@xxxxxxxxxxxxx>
> *Sent:* Thu, December 2, 2010 6:58:54 AM
> *Subject:* EMC storage replication
>
> Hi all,
>
> at the place where I work, management would like to implement EMC
> Replication (as we have EMC SAN's) for our databases between two Data
> Centers instead of DataGuard for certain DB-systems.
> According to EMC sales, the process is certified by Oracle although I
> didn't find any reference on Metalink (could be also, I didn't search it
> well).
> If someone (out there ;-) ) is already using it, I would appreciate if you
> could tell me your experiences and possible pitfalls regarding
> implementation.
>
> Best Regards,
> Goran
>
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