RE: Recovery Issues :)
- From: Paula Stankus <paulastankus@xxxxxxxxx>
- To: "Bobak, Mark" <Mark.Bobak@xxxxxxxxxxxxxxx>, Christo Kutrovsky <kutrovsky.oracle@xxxxxxxxx>
- Date: Thu, 11 May 2006 10:18:59 -0700 (PDT)
Thanks Mark. :)
"Bobak, Mark" <Mark.Bobak@xxxxxxxxxxxxxxx> wrote: Hi Paula,
Ok, it sounds like you've successfully recovered. Now, the problem w/ the
"missing" rows. This may be where NOLOGGING is relevant. How is this data
loaded? If it was done as INSERT /*+ APPEND */, then the problem is that, with
nologging set, the data was not in the archive logs you applied, so, the
segment will need to be truncated and reloaded. Ideally, the table is
partitioned (is it?) so that you can truncate and re-load just that partition.
Right now, if you do a full table scan of the segment, your query will
eventually hit the logically corrupt blocks and raise an ORA-26040. The only
way to get rid of those corrupt blocks is to either drop or truncate the
segment containing them.
For more info on direct load, nologging, and recovery implications, see:
http://dizwell.com/main/index.php?option=com_jd-wiki&Itemid=138&id=directpathoperations
Hope that helps,
-Mark
--
Mark J. Bobak
Senior Oracle Architect
ProQuest Information & Learning
For a successful technology, reality must take precedence over public
relations, for Nature cannot be fooled. --Richard P. Feynman, 1918-1988
---------------------------------
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Paula Stankus
Sent: Thursday, May 11, 2006 11:59 AM
To: Christo Kutrovsky
Cc: Oracle-L@xxxxxxxxxxxxx
Subject: Re:Recovery Issues :)
Okay,
We used the following syntax to recover a database
ALTER DATABASE RECOVER DATABASE UNTIL TIME '2006-05-10:09:00:00' USING BACKUP
CONTROLFILE
Some of the archive files said "no longer needed for recovery"
Now, we are told there are rows missing from the night of the 9th (i.e. the
night before).
Help :)!
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