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

Guang,
 why go throught the steps of creating the interium RBSlmt's. Just create the new LMT tablespace,
offline RBS01
drop RBS01
create a new RBS01 in the new tablespace. online the new RBS01.

Make sure that you check the v$rollstat and dba_rollback_seg to check the status before you drop the RBS's

When you are done the new RBS's will be in the new tablespace. Take a backup to insure that the information about the new locations is captured.
Ron

>>> gmei_at_incyte.com 07/23/03 01:24PM >>>
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
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