Re: DataGuard and closed/cold backups

From: David Sharples <davidsharples_at_gmail.com>
Date: Tue, 31 May 2005 20:01:52 +0100
Message-ID: <be592d5505053112015ea01ef6@mail.gmail.com>

Hi, one question about that - why was the database taken down at all.

If you took a hot backup and starting sending the archives right away - why the shutdown?

Chers - Dave

On 5/31/05, Carel-Jan Engel <cjpengel.dbalert_at_xs4all.nl> wrote:
> Jackie,
> A couple of years ago I was able to move a database of 90 GB from
> Singapore to The Hague, using Data Guard, through only a 128 kilobit
> dual ISDN dial up line. The downtime of the database was 45 minutes. Of
> course this was in ASYNC mode, logtransfer by ARCH.

>=20

> The trick was calculating the average amount of redo produced weekly,
> and have enough bandwidth for just that. The outage was planned
> carefully, including stopping / starting the apps it took 1.5 hour.

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Received on Tue May 31 2005 - 15:06:45 CDT