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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Database Crash...advice needed...
Hi Prashasta,
Looking at the error, it appears that the rollback_segments entry in the init.ora wasn't commented out. The rollback segment tablespace was taken offline whereas the rollback_segment entry still remains in the parameter file. Can you check your init.ora again ?
Regards,
Anil Sikri
>From: prashasta gujrati <gujrati_at_tubes.tatasteel.com>
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: Database Crash...advice needed...
>Date: Wed, 30 Aug 2000 12:03:46 -0800
>
>
>Hi DBAs,
>
>This is the scenario : Oracle 7.3.3 on AIX 4.3.2
>
>Time         Event
>
>0300          Offline backup of the database done successfully.
>1523          Hard disk failure on one of the disks(hdisk9) mounted
>                  on /database. This FS had  1 system DBF, 2 RBS files,
>                  3 application DBFs.
>
>                  These files were taken offline automatically as
>reported
>                  in alert.log .
>
>1530          Error reported of applications not working and DB having
>                  crashed.
>
>1535          Database was shutdown with abort and tried doing a
>                  normal startup which failed. Database could only be
>                  mounted. It has been brought down since then.
>
>1600         Another FS was created on a different disk (hdisk10)
>                 and was mounted on the same mount point (/database).
>
>1630         We restored the DBFs from the offline backup which
>                 were residing on that mount point (/database).
>
>1640         Database startup mount. After that we issued a recover
>                 database which prompted for the archive files which
>                 were avilable on another disk and were applied. The Redo
>
>                 is also intact.
>
>                 What we see here is that it takes us to a point between
>1523
>                 and 1535.
>
>                 Now when we try to open the database it says that one of
>
>                 the RBS files cannot be read. We tried commenting out
>the
>                 rollback_segments from init.ora and then did startup
>mount.
>                 Thereafter, we made the RBS files offline to see if the
>                 database will reopen. It fails with an error message :
>                   ORA-00704: bootstrap process failure
>                   ORA-00604: error occurred at recursive SQL level 1
>                   ORA-00955: name is already used by an existing object
>
>After all this now we have planned to restore all the files from offline
>
>backup and use the current controlfile + redo + archives to do a PITR
>upto 1515 (few minutes before the disk failure) and then open the DB
>with resetlogs option and then take an offline backup immediately.
>
>If you all can tell me the error we made in this process, it'll help.
>Also your advice if the second approach we are taking will work
>or not ?
>
>TIA,
Share information about yourself, create your own public profile at Received on Wed Aug 30 2000 - 15:15:10 CDT
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