Re: [RMAN]

The Oracle documentation says that as an RMAN incremental backup needs to read all the
> blocks, in order to see which ones were modified, it's running time might be almost the same as a full backup.

RMAN reads the blocks to seee which ones were changed, it only backups up used blocks, I have seen appreciable time savings by implementing rman and the backup set is much smaller than traditional os copies

steve
>

Christian GILBERT <externe.gilbert_at_francetelecom.com> wrote in message news:<1104_1025010242_at_10.193.118.17>...
> Hi !
>
> A little thing I am wondering about :
>
> Is there an interest in using incremental backups to minimize the backup time of a database ?
> I have a 650 Gb DB that can be backed up in a 12 hour window the saturday, but the backup
> window drops at 5 hours during the week. The full backup takes 9 hours.
>
> The Oracle documentation says that as an RMAN incremental backup needs to read all the
> blocks, in order to see which ones were modified, it's running time might be almost the same
> as a full backup.
>
> Does someone have an experience about it ?
Received on Wed Jun 26 2002 - 14:57:43 CDT