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RE: Another datafile sizing question

From: DENNIS WILLIAMS <DWILLIAMS_at_LIFETOUCH.COM>
Date: Thu, 26 Sep 2002 07:48:39 -0800
Message-ID: <F001.004DA059.20020926074839@fatcity.com>


Darren - Let me try to clarify my answer. 1. Yes, 800-meg is not really large with today's disk systems, so that consolidation should be no problem.
2. If you are doing this type of consolidation, I think it would be a good time for you to take as step back for broader perspective. Specifically, it might be a good time for you to take a look at LMTs. Most of us DBAs only perform this type of reorganization every few years, so it is a good idea to incorporate the latest thinking. One of the reasons Oracle is moving us toward LMTs is to reduce the DBA workload, so the Microsoft heads can't keep saying "not only is Oracle more expensive, but it takes a lot more management."
 
Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com <mailto:dwilliams_at_lifetouch.com>

-----Original Message-----
Sent: Wednesday, September 25, 2002 7:47 PM To: 'ORACLE-L_at_fatcity.com'

Darren - My advice would be to read up on Locally Managed Tablespaces (LMT) and uniform extents. This is a new feature that will ease your management work.

Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Wednesday, September 25, 2002 6:43 PM To: Multiple recipients of list ORACLE-L

I am in the process of upgrading our databases from 8.0.5 to 8.1.7, possibly 9i depending on application
certifications.

I currently have a tablespace that is made up of 4 - 200mb datafiles, my first thought would be to
create a 800mb datafile and move all the data into it,

The growth of this tablespace is maybe 100 to 150Mb a year, and from what I understand all datafiles should
be the same size. So at that point when I need another datafile, I will have to create another 800Mb datafile.

Would that be a good practise, or should I stay with multiple 200/300/400/500 etc datafiles ?

Thanks

Darren




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