What type of requirement or SLA do you have in regards to keeping the
instances in sync?

-Joe

--- "Freeman, Robert " <[EMAIL PROTECTED]> wrote:
> Stand-by (Oracle9i Data Guard) vs. Replication
> 
> Folks,
> 
> I have a mission critical system we are architectonic right now.
> There is some argument of the merits of replication vs. using
> Standby database going on.
> 
> Current we have 4 sites that we will be replicating data back and
> forth between. There are 3 kinds of data:
> 
> 1. Network Critical data (must be available for entire network)
> 2. Regional Critical data (only used for a given region. site =
> region).
> 3. Regional non-critical data (this is data that is easily
> recovered from
> other operational data stores).
> 
> I can load you up with details, but for now this is the general
> requirement. We want a given site to be able to work independently
> of the other sites in the event of network failure (WAN).
> 
> What I'm looking for is your experience with using replication
> for HA solutions vs. stand-by databases. I've also considered using
> standby databases as a possible solution to this problem, along
> with
> using transportable tablespaces to re-sync the databases once
> everything
> comes up. I'm concerned with replication in that there is allot to
> break,
> and I'm concerned about synchronization issues in general with
> either 
> solution.
> 
> Thoughts?
> 
> RF
> 
> 
> Robert G. Freeman - Oracle8i OCP
> Oracle DBA Technical Lead
> CSX Midtier Database Administration
> 
> The Cigarette Smoking Man: Anyone who can appease a man's
> conscience can
> take his freedom away from him.
> 
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: Freeman, Robert 
>   INET: [EMAIL PROTECTED]
> 
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-- 
Author: Joe Raube
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