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Mount the database and recover system datafile.
SQL> alter database recover datafile 1;
As Dave said, if there is any mess-up with redo log files then you will screwed else you will be fine.
Thanks,
Vijay Tummala
Try hard to get what you like OR you will be forced to like what you get.
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Actually in the beginning I was receiving below error msg when executed 'startup;'
startup;
ORACLE instance started.
Total System Global Area 571547208 bytes
Fixed Size 454216 bytes
Variable Size 243269632 bytes
Database Buffers 327155712 bytes
Redo Buffers 667648 bytes
Database mounted.
ORA-00368: checksum error in redo log block
ORA-00353: log corruption near block 95218 change 63039931 time 12/19/2008 19:51:05
ORA-00312: online log 3 thread 1: 'C:\ORACLE\ECC\REDO03.LOG'
The original log file is REDO03.LOG. I thought renaming to REDO033.LOG might help, then afterwards when I executed 'startup mount;' command, the database got mounted successfully. But on trying 'alter database open resetlogs;' I started receiving below error:
SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: 'C:\ORACLE\ECC\SYSTEM01.DBF'
Due to this reason I had to rename the log file back to REDO03.LOG.....
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SQL> alter database recover datafile 1;
alter database recover datafile 1
*
ERROR at line 1:
ORA-00283: recovery session canceled due to errors
ORA-01610: recovery using the BACKUP CONTROLFILE option must be done
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you need to do a recovery - unless you ultiplex your redo logs
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How? Can you please help?
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Dave -
Do you mean complete database recovery?
I am sure he doesn't multiplex redo log files.
Thanks,
Vijay Tummala
Try hard to get what you like OR you will be forced to like what you get.
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call oracle support - they will talk you through it
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Dave -
Calling oracle support is the last option for all the DBAs on the earth after putting every attempt from there side. Thanks for your suggestion.
As per the error posted, I understood that one of the redo logs had a block corruption. He didn't mention whether that redo log is current or inactive. He renamed the corrupted log with other name (not sure how far renaming on the same physical location works). So, the work around i suggest is ...
1. Recover until cancel
2. Open resetlogs.
Appreciate comments on this.
Thanks,
Vijay Tummala
Try hard to get what you like OR you will be forced to like what you get.
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Originally Posted by vnktummala
Dave -
Calling oracle support is the last option for all the DBAs on the earth after putting every attempt from there side. Thanks for your suggestion.
WHAT? if you have no clue - oracle support is the first call, thats what you pay them for!
As per the error posted, I understood that one of the redo logs had a block corruption. He didn't mention whether that redo log is current or inactive. He renamed the corrupted log with other name (not sure how far renaming on the same physical location works). So, the work around i suggest is ...
1. Recover until cancel
2. Open resetlogs.
Appreciate comments on this.
Thanks,
if it wasnt the online log then no recovery would be needed would it?
if you are going to say dangerous advice, keep it to yourself!
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There you go ... you gave the clue. No need to contact oracle support now
Thanks Dave.
Vijay Tummala
Try hard to get what you like OR you will be forced to like what you get.
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