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RE: Restore problem

From: Robert Freeman <>
Date: Sun, 6 May 2007 19:35:50 -0600
Message-ID: <>

I don't have the first email of this thread, but it sounds like you want to restore a datafile or a tablespace on Windows. Also, it does not mention which version of the database is being used. I assume the datafile is still in place, because of the locking error.

That being said, I tried a tablespace recover on XP using Oracle 10gR2, here are the commands and the result was successful as seen here:

RMAN> sql "alter tablespace test offline"; sql statement: alter tablespace test offline

RMAN> restore tablespace 'TEST';

Starting restore at 06-MAY-07
using channel ORA_DISK_1

channel ORA_DISK_1: starting datafile backupset restore channel ORA_DISK_1: specifying datafile(s) to restore from backup set restoring datafile 00006 to D:\ORACLE\ORADATA\ROB10GR2\TEST.DBF channel ORA_DISK_1: reading from backup piece C:\ORACLE\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\ROB10GR2\BACKUPSET\2007_ 05_06\O1_MF_NNNDF_TAG20070506T191404_33WZBYMJ_.BKP channel ORA_DISK_1: restored backup piece 1 piece
handle=C:\ORACLE\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\ROB10GR2\BACKUPSE T\2007_05_06\O1_MF_NNNDF_TAG20070506T191404_33WZBYMJ_.BKP tag=TAG20070506T191404
channel ORA_DISK_1: restore complete, elapsed time: 00:00:36 Finished restore at 06-MAY-07

RMAN> recover tablespace 'TEST';

Starting recover at 06-MAY-07
using channel ORA_DISK_1

starting media recovery
media recovery complete, elapsed time: 00:00:11

Finished recover at 06-MAY-07

RMAN> sql 'alter tablespace test online';

sql statement: alter tablespace test online

RMAN> Robert G. Freeman
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  -----Original Message-----
[]On Behalf Of Jared Still   Sent: Sunday, May 06, 2007 3:11 PM
  Subject: Re: Restore problem

  On 5/4/07, Bill Ferguson <> wrote:     Hi all,

      channel ORA_DISK_1: restored backup piece 14
      piece handle=E:\BACKUP\BACKED UP DATA\AJIGLMEM_14_1.BAK
      channel ORA_DISK_1: reading from backup piece E:\BACKUP\BACKED UP
      ORA-19870: error reading backup piece E:\BACKUP\BACKED UP
DATA\AJIGLMEM_15_1.BAK       ORA-19504: failed to create file
      ORA-27086: unable to lock file - already in use
      OSD-00002: additional error information
      O/S-Error: (OS 32) The process cannot access the file because it is
being used b
      y another process.
      failover to previous backup

  Hi Bill,

  Taking a tablespace offline on windows does not seem to remove the lock that Oracle has on it.
  When a file is open, the process has a lock (don't know the windows technical term for the
  type of lock)

  Just tested this on my laptop: took 10g tablespace EXAMPLE offline, and the handle utility
  (from Sys Internals toolkit) shows that the EXAMPLE files are still open by Oracle:

  oracle.exe pid: 2848 NT AUTHORITY\SYSTEM
      c: File          C:\WINDOWS\SYSTEM32
     d8: Section       \BaseNamedObjects\*oraspawn_buffer_ts50*
     f4: Section       \BaseNamedObjects\ShimSharedMemory

624: File C:\oracle\product\10.1.0\oradata\ts50\USERS01.DBF 628: File C:\oracle\product\10.1.0\oradata\ts50\EXAMPLE01.DBF 62c: File C:\oracle\product\10.1.0\oradata\ts50\EXAMPLE01.DBF
664: File C:\oracle\product\10.1.0\oradata\ts50\SYSTEM01.DBF 668: File C:\oracle\product\10.1.0\oradata\ts50\SYSTEM01.DBF 66c: File C:\oracle\product\10.1.0\oradata\ts50\UNDOTBS01.DBF


  I've never restored a tablespace on Windows, but it appears that your   procedure may need to be modified a bit.

  Have you tried restoring the tablespace with Oracle in mount mode?

  Our resident RMAN expert (Robert Freeman) may know the answer to this.

  Jared Still
  Certifiable Oracle DBA and Part Time Perl Evangelist

Received on Sun May 06 2007 - 20:35:50 CDT

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