Hi, guang:
    I have two questions:
    1. Why create rbs on lmt tablespace and later drop it again? Just do
step 1-7 and it is ok. Or maybe you need to update your init file, but you
can also offline old rbs01 and create new rbs01 on lmt, and so on.

    2. If you have dmt rollback segment in production and you did create the
rbs with(initial=next, min=20), in most case , rbs won't expand or
shrink.And the convertion does not help much . right?

Regards
zhu chao
msn:[EMAIL PROTECTED]
www.cnoug.org
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Thursday, July 24, 2003 2:14 AM


> Do I need to? I thought after all the steps I still have the same rollback
> segment names (RBS01-06). The only difference is they will be in LMT now.
>
> Guang
>
> -----Original Message-----
> DENNIS WILLIAMS
> Sent: Wednesday, July 23, 2003 1:35 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Guang - Don't forget to update your init.ora!
>
> Dennis Williams
> DBA, 80%OCP, 100% DBA
> Lifetouch, Inc.
> [EMAIL PROTECTED]
>
>
> -----Original Message-----
> Sent: Wednesday, July 23, 2003 12:24 PM
> To: Multiple recipients of list ORACLE-L
>
>
> 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
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Guang Mei
>   INET: [EMAIL PROTECTED]
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> Author: Guang Mei
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Author: zhu chao
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