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Re: Datafile size for backup consideration...

From: Peter Barnett <>
Date: Wed, 19 Jul 2000 19:22:01 -0700
Message-Id: <>

A one year planning window makes sense. Three years is a long stretch, especially since the database, applications and just about everything else is likely to change in that time.

If you are concerned about the price of tapes, you are looking at the wrong expense. What is the cost of losing your database and not being able to recover? Tape is very inexpensive insurance compared to the value of the data.

Pete Barnett
Database Administrator
The Regence Group

Slamet Fusianto wrote:
> Dear DBAs,
> When we first create tablespace (user, index, temporary, etc) and datafiles,
> should we consider a large amount of datafiles ? What I mean is now I make one
> datafile for tablespace User is 500 MB. I consider this to be for 3 years ahead.
> Now if I take backup for this tablespace only (for example), it will surely make
> tape backup full after couple of weeks (capacity of tape backup is 4 GB it means
> that if I take full backup every week, the tape will be fulled in 2 months).
> Sure how many tape backups will be used is not our prime considerations, but
> cost will not be so high.
> But I want to ask is should I make a smaller data file, just say 50 MB and then
> after running few months, I can add extents or make new datafiles for this
> tablespace. Or perhaps just make directly 500 MB ?
> Thank you for the answer.
> Regards,
> Slamet Fusianto
> --
> Author: Slamet Fusianto
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Received on Wed Jul 19 2000 - 21:22:01 CDT

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