In some versions of Oracle, you need a SECOND rollback segment created in the
SYSTEM tablespace in order to create another tablespace. It can't hurt to add
it (you can drop it immediately after you get the rollback tablespace created)
but it could be the solution.
Since you didn't include the version of the database you are working with, we
have to be somewhat generic in our answers
Rachel
|--------+----------------------->
| | |
| | |
| | srcdco_at_ritvax|
| | .rit.edu |
| | |
| | 05/09/2002 |
| | 02:28 PM |
| | Please |
| | respond to |
| | ORACLE-L |
| | |
|--------+----------------------->
>----------------------------------------------------|
| |
| To: ORACLE-L_at_fatcity.com |
| cc: (bcc: Rachel Carmichael) |
| Subject: Re: Cloning Question |
>----------------------------------------------------|
I thought there was a rollback segment in system that would be there. It should
be enough to get things started. After all, there isn't a separate one when you
create a database, until you create it.
DENNIS WILLIAMS wrote:
> Scott - I think that Rachel offered better advice, and I'm sure you've read
> her note by now. I have some experience with missing files when cloning a
> database :-), but I haven't had the rollback tablespace missing, and that
> would be different. One thought would be to create an extra rollback
> tablespace on production, so that when you perform the clone operation,
> Oracle still has some rollback segments available.
> Dennis Williams
> DBA
> Lifetouch, Inc.
> dwilliams_at_lifetouch.com
>
> -----Original Message-----
> Sent: Thursday, May 09, 2002 12:03 PM
> To: Multiple recipients of list ORACLE-L
>
> Dennis,
> No. I did a create controlfile set database... I commented out the
> rollback_segments line in the init.ora and removed the reference to the file
> in
> the create controlfile statement. With no reference (that I know of) to the
> rollback segments or tablespace, I thought that the database should have
> come
> up, then I could create a new one. I must have missed something, but I
> don't
> know what that was.
>
> DENNIS WILLIAMS wrote:
>
> > Scott - Let's see if I understand specifically what you did. You ran the
> > CREATE DATABASE script that was generated from your production system.
> Now,
> > since the datafile for rollback tablespace isn't there, Oracle will come
> up
> > without it. Once your new instance was up, then you did a DROP TABLESPACE
> on
> > the rollback tablespace, followed by a CREATE TABLESPACE. I've done that
> > scenario quite a few times on Oracle 8.1.6, just yesterday, as a matter of
> > fact (that was a temp tablespace). If those weren't your steps, then
> provide
> > more details.
> > Dennis Williams
> > DBA
> > Lifetouch, Inc.
> > dwilliams_at_lifetouch.com
> >
> > -----Original Message-----
> > Sent: Thursday, May 09, 2002 8:48 AM
> > To: Multiple recipients of list ORACLE-L
> >
> > I spent a long time trying to clone our production data warehouse
> > into test, to refresh it. I do this frequently, as both a way to
> > refresh test instances and to test the backups. After fighting through
> > 2 bad backups, I finally got a good one. However, the problem I had was
> > that the production rollback tablespace is larger than the disk on test.
> >
> > My thought was that I could restore everything except the rollback
> > tablespace, which is not the way I usually do it. I commented out the
> > rollback_segments line in the init.ora and created a script that would
> > create a new rollback tablespace and rollback segments, smaller than
> > those in production. This didn't work, even though Oracle support said
> > it should have. When I did the clone, the database would not open. I
> > kept getting the following error:
> >
> > ORA-00600: internal error code, arguments: [25012], [1], [2], [], [],
> > [], [], []
> >
> > Does anyone know what I was doing wrong? I can't figure it out, and
> > Oracle support couldn't figure it out, either. I was able to get the
> > database up by getting more disk added, so that there was enough space
> > to restore the rollback tablespace file.
> >
> > Thank you.
> >
> > --
> > Scott Canaan (srcdco_at_rit.edu)
> > (585) 475-7886
> > "Life is like a sewer, what you get out of it depends on what you put
> > into it" - Tom Lehrer
> >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author: Scott Canaan
> > INET: srcdco_at_ritvax.rit.edu
> >
> > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
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> > --
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> > --
> > Author: DENNIS WILLIAMS
> > INET: DWILLIAMS_at_LIFETOUCH.COM
> >
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> --
> Scott Canaan (srcdco_at_rit.edu)
> (585) 475-7886
> "Life is like a sewer, what you get out of it depends on what you put into
> it" -
> Tom Lehrer
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Scott Canaan
> INET: srcdco_at_ritvax.rit.edu
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
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> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: DENNIS WILLIAMS
> INET: DWILLIAMS_at_LIFETOUCH.COM
>
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> San Diego, California -- Public Internet access / Mailing Lists
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--
Scott Canaan (srcdco_at_rit.edu)
(585) 475-7886
"Life is like a sewer, what you get out of it depends on what you put into it" -
Tom Lehrer
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Scott Canaan
INET: srcdco_at_ritvax.rit.edu
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Received on Thu May 09 2002 - 13:48:46 CDT
