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Re: Corrupt redo logs and datafiles

From: Frank van Bortel <fvanbortel_at_netscape.net>
Date: Tue, 15 Mar 2005 17:53:24 +0100
Message-ID: <d173p2$g1i$1@news5.zwoll1.ov.home.nl>


SG wrote:
> Hi all.
>
> I am new to Oracle so would appreciate any insight as to what are main
> reasons based on your experience that cause corrupt redo log files and data
> files? We had a corrupt sysaux.dbf file and constant corrupt redo logs that
> would stop our application since it was in archive mode and we'd get
> archiver errors. We tried creating new log groups and that didn't help. We
> had to constantly clear unarchived log groups,etc. to get it working. We
> rebuilt the database and used a dmp from the "suspect" dbase to import our
> custom talbles in our newly created db and tablespace. All had been fine for
> a month, but now it's happening again. I looked in the alert logs and see
> that now we have a corrupt system.dbf file. Has anyone had this type of
> experience? We are running Oracle 10g on Redhat ES 3.0. The kernel version
> on the system is 2.4.21.4. An identical system with no problems, same
> hardware, is running kernel version 2.4.21-15.0.3. Seems to point to a
> hardware issue maybe? Any ideas would be grealty appreciate. TIA.
>
> SG
>
>
>

And the filesystem(s) you use?
Ext2, ext3, Reiserfs, hardware RAID, software RAID? Hardware: SCSI, IDE (tinkered with params?)

Why are you running unpatched kernels anyway? See: http://rhn.redhat.com/errata/RHSA-2005-043.html Linux csdb01.cs.nl 2.4.21-27.0.2.EL

-- 
Regards,
Frank van Bortel
Received on Tue Mar 15 2005 - 10:53:24 CST

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