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Doc <http://metalink.oracle.com/help/usaeng/Search/search.html#file> ID:
Note:148894.1
on NT/2000 Platforms
Type: ALERT Status: PUBLISHED Content Type: TEXT/PLAIN Creation Date: 07-JUN-2001 Last Revision Date: 25-JUL-2002
Change Record
27-Dec-01: The fix release in the Patches section of this alert was modified
from 8.1.7.2 to 8.1.7.3.
Versions Affected
The problems described here can affect releases 8.1.6 and 8.1.7.
Platforms Affected
The problems affect Oracle8i releases on Windows NT and Windows 2000.
Description
Releases of Oracle8i on Windows NT and Windows 2000 platforms can exhibit
serious problems when a datafile autoextends or is resized onto a 4GB
boundary (e.g. 4GB, 8GB).
When a datafile has been configured such that it will autoextend onto a
4GB boundary, any attempt to autoextend:
continue, altering datafiles to autoextend onto different boundaries asap.
NOTE: It may be necessary to stop and restart the OracleService itself.
The only way to recover this file when in archive log mode is to restore
the whole database and roll forward to a point before the file autoextended.
Likelihood of Occurrence
It is highly likely that problems will be encountered if an attempt is
made to autoextend or resize a datafile onto a 4Gb boundary.
Possible Symptoms
The possible symptoms from this problem are:
and database writer (DBW0) trace file report:
KCF: write/open error block=0xXXXXX online=Y
file=N '......'
error=27069 txt: 'OSD-4026: Invalid parameter passed.
(OS-204802)'
b. The file is marked offline in V$RECOVER_FILE and access to the database
continues. The following error appears in the alert.log:
KCF: write/open error block=0xXXXXX online=Y
file=N '......'
error=27069 txt: 'OSD-4026: Invalid parameter passed.
(OS-204802)'
Automatic datafile offline due to write error on file N: '......'
Workaround
The only safe workaround at present is to ensure that no file is resized or
created to autoextend onto a 4Gb boundary. This is best achieved by making
sure all datafiles have AUTOEXTEND disabled.
It is advisable to read the article below which describes potential
issues using files of 2Gb or larger in size as this may influence the
maximum datafile size you choose to use.
Patches
A fix is now available in 8.1.7.1.4 <Bug.1823173> and will be included in
8.1.7.3 <BUG.1794199>
References
2Gb or not 2Gb - File limits in Oracle [NOTE:62427.1] <http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_id=6 2427.1&p_database_id=NOT>
Base bug reporting this problem [BUG:1668488]<http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_id=1 668488&p_database_id=BUG>
-----Original Message-----
Sent: Thursday, October 10, 2002 11:08 AM
To: Multiple recipients of list ORACLE-L
Hello all
HELP - and I am not an idiot.
Oracle 8.1.6.3.4 on NT.
We have a problem that the datafile for the application tables autoextended
from 3.9 GB to 4.1 GB.
We are getting ora-01115 errors and the datafile is offline.
We tried export but it gets the same error.
The status now is that the datafile is offline.
Alter datafile online needs recovery.
Recovery gets I/O error and aborts.
Anybody knows how to get the data out?
As per Murphy's law, the last full backup of the database ran about 2 weeks
ago
and nobody noticed that the backup job ended ok but without backing up the
files.
So recovery means restoring from 2 weeks ago and applying archive logs for
some hours.
Oracle support are sending someone with a utility that MAY save the day.
Any ideas ???????????????
HELP
Yechiel Adar
Mehish
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