Re: rman incremental merge
- From: "Don Seiler" <don@xxxxxxxxx>
- To: Randy.Steiner@xxxxxxxx
- Date: Mon, 4 Dec 2006 11:11:34 -0600
The usage that I've seen and used is to start with a level 0, and from
there on out you'd only take level 1 incrementals. Then, based on
your recovery window, you could roll your base backup image forward,
for example to 7 days ago, if that is your window. It saves you the
time of not having to do another level 0, but having a recent level 0
image to start with for recovery.
The reason I stopped using it is that you HAVE to do a backup COPY. I
didn't have the disk to hold an actual copy, and needed to have
compression.
Don.
On 12/4/06, Steiner, Randy <Randy.Steiner@xxxxxxxx> wrote:
In the documentation, it is refered to as Incrementally Updated Backups:
Rolling forward image copy backups.
It is a level 1 incremental that is applied to the image copy and rolled
forward to the point in time when the level 1 was created.
> -----Original Message-----
> From: Jared Still [mailto:jkstill@xxxxxxxxx]
> Sent: Monday, December 04, 2006 11:50 AM
> To: Steiner, Randy
> Cc: oracle-l@xxxxxxxxxxxxx
> Subject: Re: rman incremental merge
>
> On 12/4/06, Steiner, Randy <Randy.Steiner@xxxxxxxx> wrote:
>
> Have people been using the incremental merge feature of
> rman successfully?
>
> It seems a little scary to me.
>
>
> By 'incremental merge', are you referring to restoring a
> database using incremental backups? (sorry, unfamiliar with this term)
>
> If so, consider this: why would that be any scarier than
> apply archive logs?
>
>
> --
> Jared Still
> Certifiable Oracle DBA and Part Time Perl Evangelist
>
>
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