Re: RMAN questions...

stephen.howard_at_us.pwcglobal.com (Steve Howard) wrote in message news:<6d8b7216.0311121333.2af1fa7b_at_posting.google.com>...
> Hello All,
>
> Oracle 8.1.7.4.1
> HP-UX 11.11
>
> We are moving towards using RMAN, and I would like to know the
> following:
>
> Let's say for arguments sake that I created a full database backup
> from RMAN one week ago, and then did incremental RMAN backup's nightly
> as well as archived all of my redo logs. Using exactly the same setup
> on another machine (OS, database version, size, etc.) , I do a full
> hot backup one week ago, and then archive all of my redo logs for the
> following week.
>
> Assuming all other things are equal (I understand the other benefits
> of RMAN such as block corruption detection, backing up only changed
> blocks, etc.), which one _should_ take longer to restore? Is RMAN
> architected to reassemble a database without restoring the full
> backup, then running through all of the incrementals, and then
> applying all of the archived redo? If so (or if not), is this much
> faster than just doing a regular old hot backup? Or is this apples
> and oranges?

Oracle's summary of what hjr and brian said: http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=69328.1

jg

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