RE: Creating a missing datafile

Thanks Deepak,

Slight problem though. The database has been opened with RESETLOGS so previous archive logs are useless.
v$recover_file reports this file# is offline/missing file. I think my only other option is to drop then rebuild/recreate the tablespace and import the objects in it from an export dump.

Ross

> -----Original Message-----
> From: Deepak Thapliyal [mailto:deepakthapliyal_at_yahoo.com]
> Sent: Wednesday, 6 February 2002 11:45
> To: Multiple recipients of list ORACLE-L
> Subject: Re: Creating a missing datafile
>
>
> Hi Ross,
>
> have u by any chance restored a backupcontrol file
> that was backedup before you added this datafile.
>
> Is this the case? If yes than what oracle is doing is
> putting a placeholder entry for this file and calling
> it missing file.. here is what u can do (assumes that
> you have all the archivelogs available since this file
> was created ..
>
> restore the db from backup and mount it ..
>
> SQL> select name from v$datafile where file#=41;
>
> SQL> ALTER DATABASE
> CREATE DATAFILE
> 'use the out of above sql' as
> '/u2/db/archive2_2.dbf';
>
> SQL> recover database using backup controlfile ;
>
> Use Auto till it asks for non-existent arch (supply ur
> online log)
>
> Media recovery complete after online log is applied
>
> technically u should be able to open the db in
> noresetlogs mode at this time .. however i have seen
> that it does not .. so here is the workaround ..
>
> SQL> alter database backup controlfile to trace;
> SQL> create controlf file ..< from ur trace>
> SQL> recover database; -- takes one sec to complete
> SQL> Alter database open;
>
> hth
> Deepak
> --- Ross Collado <Ross.Collado_at_techpac.com> wrote:
> >
> > Env.
> > HP-UX 10.2
> > Oracle 7.1.6
> > Archivelog mode
> >
> >
> > Found this in the alert.log
> >
> > Dictionary check beginning
> > File #41 found in data dictionary but not in
> > controlfile.
> > Creating OFFLINE file 'MISSING0041' in the
> > controlfile.
> > Dictionary check complete
> >
> > I did a dump of the controlfile to trace and
> > checked. It had MISSING0041 in
> > it. However, I did a find on this file and couldn't
> > find it. Does this
> > mean MISSING0041 was just updated in the controlfile
> > and was not actually
> > created as a physical file?
> > I know the complete path/filename of what this
> > MISSING0041 datafile should
> > be (it should be /u2/db/archive2_2.dbf). This is
> > actually the 3rd datafile
> > of ARCHIVE tablespace. If this file existed then it
> > would have been an easy
> > rename of datafile via "ALTER TABLESPACE ... RENAME
> > DATAFILE...". But there
> > is no physical file to rename.
> > I don't think I can do a create a file via "ALTER
> > DATABASE CREATE
> > DATAFILE..." in this case because the controlfile
> > won't have the correct
> > path/filename of this datafile (it's got
> > 'MISSING0041' SIZE 500M).
> > How do I go about recreating a physical file having
> > the correct filename and
> > size?
> >
> > TIA,
> >
> > Ross
> >
> > --
> > Please see the official ORACLE-L FAQ:
> > http://www.orafaq.com
> > --
> > Author: Ross Collado
> > INET: Ross.Collado_at_techpac.com
> >
> > Fat City Network Services -- (858) 538-5051 FAX:
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> Author: Deepak Thapliyal
> INET: deepakthapliyal_at_yahoo.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Ross Collado
  INET: Ross.Collado_at_techpac.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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