Networker

Re: [Networker] Why Oracle incremental backup is as large as a full?

2007-05-03 06:09:41
Subject: Re: [Networker] Why Oracle incremental backup is as large as a full?
From: Uwe Weber <uwe.weber AT TELEOS-WEB DOT DE>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 3 May 2007 12:11:21 +0200
Preston de Guise schrieb:

> I always followed their instructions, and always got proper
> full+"incremental" backups. One thing of course is that while the
> "incremental" is usually much smaller than the full, many of my
> customers have found that it takes almost as long as the full, and is
> more intensive on database processing than the full, due to the
> tablespace scans that have to be done.

If you are backing up Oracle 10, you could ask your
DBA to enable Block Change tracking. This will
speed up incrementals a lot. 

Regards,
uwe

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