Re: 6 dead drives in 6 weeks.. after doing oracle exports

Hi Hub,

Hub schrieb:
> Ok 2 months ago we converted our databases over to linux servers,
> specifically boxes running Red Hat Advanced Server 7.2. and we're running
> oracle 9i standard edition. My life has been a total nightmare since then.
> We've been getting data block corruptions and all shorts of shit. just about
> one drive a week has been melting down.
>
> Whats funny tho is it seems like lots of disk I/O, for example a full oracle
> export, usually preceeds the drive meltdowns. These are seagate drives in
> JMR enclosuers all RAID1 and RAID0+1.. but the amount of corruption is
> unbelievable and very frustrating.
>
> Anybody have any clues what might be causing this problem? SCSI cables that
> are too long? bad RAID config? anything?

A few years ago, i had a problem with a customers database. Most probably due to lightning strokes the SCSI RAID cache controller in the database server did not longer work properly. We had a lot of troube to find the source of our problems, because only Oracle told us sometimes to have errors in regard to its files (checksums etc). Therefore we assumed to have some kind of software error. But after changing the SCSI controller everything was fine.

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Michael Gast
SEPP MED GmbH