Re: CPU usage peaks when running OS commands that does both io

 We have dev cluster in the same OS level/RDBMS level and doesn't have the IO

issue...I would want to hear more from the experts...

SP

"DA Morgan" <damorgan_at_x.washington.edu> wrote in message news:1116046915.717959_at_yasure...
> SP wrote:
>
> > We have two node Oracle 9.2.0.4 Enterprise Edition cluster in Red Hat AS
> > 2.1. Both the instances that are in those servers read/write to
> > OCFS filesystem in SAN. All the hardwares are Dell. Whenever a OS
command
> > that does both io like cp, mv, tar, gzip etc. is run the CPU
> > usage peaks to around 100%. All the database utilities like exp/imp or
> > DMS/DLLs run fine. In other words no complaints on database side.
> > Currently we can't move/copy database backups because of this or we
can't
> > run RMAN in NFS. We have asynch IO turned on, if that has to do
> > anything with this problem...Any pointer to resolve this problem would
be
> > greatly appreciated.
> > Thanks,
> > SP
>
> <RHETORICAL>
> You wouldn't happen to be with a very large company in Florida that
> manufactures and sells things made from plastic would you?
> </RHETORICAL>
>
> Upgrade your RedHat to version 3 and the problem will go away.
>
> And if you are from that company in Florida this is exactly what
> Oracle has been telling you too. ;-)
> --
> Daniel A. Morgan
> University of Washington
> damorgan_at_x.washington.edu
> (replace 'x' with 'u' to respond)
Received on Mon May 16 2005 - 12:56:33 CDT