Re: Estimation of RMAN backup and datapump size

  • From: andrey khudyakov <andrey.hudyakov@xxxxxxxxx>
  • To: krish33moorthy@xxxxxxxxx
  • Date: Wed, 26 May 2010 15:41:27 +0300

Hi.

Size of the cold backup is the sum(bytes) from v$datafile.
For datapump you can use estimate_only parameter.


2010/5/26 KRISHNA MOORTHY <krish33moorthy@xxxxxxxxx>

> Hi All.
>
> We have an 40 GB testing database(10G) running in linux with noarchive log
> mode.That machine has less free space.
>
> The database used space (dba_segment size -32 GB). If i take rman backup in
>
> noarchivelog mode ,what would be the size of backup (32GB) or less.
>
> If we use datapump (full database) approxi.. how much dump size would
> be.(40
> GB?)
>
> Regards
> Krishna
>

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