Re: convert RBS tablespace from DMT to LMT (Oracle 8173) steps?

From: <Jared.Still_at_radisys.com>
Date: Wed, 23 Jul 2003 09:56:31 -0700
Message-Id: <25998.339188@fatcity.com>

Why are you converting an RBS tablespace?

If just an exercise, it's understandable.

If for a production database, just create a new tablespace, new rollback segments, and then drop the old ones.

Jared

"Guang Mei" <gmei_at_incyte.com>
Sent by: ml-errors_at_fatcity.com
 07/23/2003 10:24 AM
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        Subject:        convert RBS tablespace from DMT to LMT (Oracle 8173) steps?

Hi:

I need to convert RBS tablespace (used for rollback segments) from DMT to LMT on a 24x7 production machine (Solaris 2.8, Oracle 8173). Here are the steps I am thinking of taking:

1. create a new rbslmt tablespace
2. create new rollback segments (RBSlmt01, RBSlmt02, ... RBSlmt 06) in rbslmt ts , set them online
3. alter all old rollback segments (RBS01, ... RBS06) offline;
4. Drop all old rollback segments;
5. alter old RBS tablespace offline
6. Drop old RBS tablespace
7. Remove old RBS tablespace's datafiles from OS
8. Create new RBS tablespace as LMT
9. Create new rollback segments (RBS01, ... RBS06) in RBS, set them online;
10. alter rollback segments (RBSlmt01, RBSlmt02, ... RBSlmt 06) offline, then drop them;
11. alter tablespace rbslmt offline
12. drop tablespace rbslmt
13. Remove tablespace rbslmt's datafiles from OS.

Anything I am missing?

TIA. Guang

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Author: Guang Mei
  INET: gmei_at_incyte.com

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