Eric,
Even you don't have any backup, you can still use the steps that I
mentioned in the previous email. In fact, those steps are suggested for
people who don't have any backup but will need to bring the database up
asap.
Winnie
Eric Fang <eric_fang_at_yahoo.com> on 05/18/2000 03:05:06 PM
Please respond to ORACLE-L_at_fatcity.com
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
cc: (bcc: Winnie Liu/HQ/ISC)
Subject: Re: RBS File Deleted
Winnie :
Thanks for the reply. The bad news is that I don't
have any backup except I export the data after I made
the mistake(deleted the datafile). So I guess I have
to recreate the database. Next time I have to have at
least the cold backups. It's a bad experience for me.
Thanks,
Eric Fang
- Winnie_Liu_at_infonet.com wrote:
>
> Eric,
>
> If you really don't have any backup (if you do..
> please don't use this
> method!! But to restore and recover the lost
> file!!), here are the step,
>
> 1) shutdown database (immediate or abort)
> 2) edit the init.ora file, comment out the
> ROLLBACK_SEGMENTS, add the
> _CORRUPTED_ROLLBACK_SEGMENTS and add all the
> rollback segments there.
> 3) startup mount;
> 4) alter database datafile '<the rollback datafile
> that you drop!>' offline
> drop;
> 5) alter database open;
> 6) drop tablespace RBS including contents; (you will
> HAVE TO DROP THE WHOLE
> TABLESPACE!)
> 7) rebuild the rollback segments tablespace and
> rebuild all rollback
> segments.
>
> According to Oracle documentation, if any of your
> rollback segment is
> active during the time that you delete the file.
> Some of the transaction or
> data in the database maybe inconsistent. Do check it
> out yourself.
>
> Winnie
>
>
>
>
>
> Eric Fang <eric_fang_at_yahoo.com> on 05/18/2000
> 11:05:33 AM
>
> Please respond to ORACLE-L_at_fatcity.com
>
> To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> cc: (bcc: Winnie Liu/HQ/ISC)
>
>
>
>
>
> I accidently deleted the datafile for a rollback
> segment. I got the error of Ora-01157: Can not
> identify data file 6.
> How can I bring the database up if I don't have
> backups(I don't care whether I am going to lose
> data)?
>
> Thanks in Advance.
>
> Eric Fang
>
> __________________________________________________
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>
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Received on Fri May 19 2000 - 12:12:00 CDT
