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Re: Manual update / replication on a live database?

From: tcp100 <tcp277_at_yahoo.com>
Date: 2 Jan 2007 14:04:03 -0800
Message-ID: <1167775443.201942.231240@v33g2000cwv.googlegroups.com>


Well, again, I understand it will go wrong, but it's the powers that be that have limited this as such, and those powers that be are much more concerned about the isolation of data egress / ingress at this site than occasional problems.

Amateurish, maybe, but when you're dealing with the federal government, your hands are often tied, and there's no option to suggest a better procedure, if you catch my drift.

sybrandb wrote:
> tcp100 wrote:
> > Pardon me if this is naive, but I'm not an expert on Oracle - and this
> > is why I'm coming to the group..
> >
> > I have a question about replicating data across non-connected
> > databases.. (both Oracle 10g)
> >
> > We have two databases - one is our "active" database that takes in
> > transactions, and the other is a read-only "copy" at a remote location.
> > We'd like to update this "copy" database three times a week, but
> > since this remote database is not WAN connected, it'd have to be via CD
> > or other manual file transfer.
> >
> > The single requirement, however, is that we can't take either database
> > down to extract the data (on the "active" side) or to upload the data
> > (on the "read only copy" side). Both databases need to be able to be
> > accessed uninterrupted during any such maintenance procedures.
> >
> > What would you folks say is the best practice for this? Our intent
> > right now is to take the transaction / redo log from the live database,
> > and simply transport it over via CD, and then 'recover' the database
> > from the redo log in live mode.. Is that feasible, and is there a
> > better way?
> >
> > Thanks in advance for any pointers or tips..
> >
> > -Chris
>
> The read only database would need to be a standby/dataguard database
> opened in read only mode.
> As there is no RFS process, you would need to register the new archives
> manually, and recover them manually.
> Evidently this procedure *will* go wrong sooner or later, and the
> higher powers will question why such an amateur approach was
> implemented at all.
> Hopefully you aren't hit when those powers start to blame and fire
> people.
>
> --
> Sybrand Bakker
> Senior Oracle DBA
Received on Tue Jan 02 2007 - 16:04:03 CST

Original text of this message

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