RE: e: deleting a datafile on OPS

Hello Jared et al,

The Oracle Reference Manual for 8i, "schematic diagram" has alter database <database> '<datafile>' offline drop, so that's what I tried (as system). The system came back, 'database altered', but a check of dba_data_files shows that the datafile (#115) is still there. The dba_extents lists no rows selected if I query on bytes where file# = 115, so taking the datafile offline as soon as I realized my error was successful in keepin any user data written to the datafile.

Paul

-----Original Message-----
Sent: Tuesday, January 29, 2002 7:11 PM
To: Multiple recipients of list ORACLE-L

You can't safely drop a datafile from the database.

When you say 'According to Oracle, I should be able to drop a datafile at has no data written to it', do you have a reference where we can see that. It does not sound familiar to me.

Per your situation, since you have the datafile offline, just rename it via 'alter database <YOUR_DB_HERRE> rename file..', then put it back online.

Jared

On Tuesday 29 January 2002 15:08, Sherman, Paul R. wrote:
> Hello list,
>
> Oracle 8.1.6.3.0, on HP-UX 11.0, using Oracle Parallel Server (OPS)
>
> According to Oracle, I should be able to drop a datafile that has no data
> but I can not. Neither DBA studio (the garbage can stays
> 'grayed'), nor the command line (alter tablespace, with the DROP clause)
> works. I had immediately taken the datafile offline (I had typed
> sbplus_x18.dbf instead of sbplus_x16.dbf for the datafile name to use in
> case you are wondering how this turn of events happened in the first
> place), and checked all of the books, and Meta-Link. I tried a test on a
> non-production machine, no go; even taking the tablespace off-line first
> makes no difference. And of course I get errors as one node can not see
the
> other nodes sbplus_x18.dbf datafile. I tried an 'alter system check
> datafiles' to see if this would make the other node happy (as the datafile
> is now off-line, this may work), but I need a solution other than
exporting
> the data, rebuilding the tablespace, then importing the export.
>
> Anyone ever come across this issue ?
>
> Thank you,
>
> Paul Sherman
> DBA
> voice - 781-501-4143 (office)
> fax - 781-278-8341 (office)
> email - psherman_at_elcom.com

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