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RE: Linux + XFS + SCSI = Problems?

To: "Gonyou, Austin" <austin@xxxxxxxxxxxxxxx>, Linux XFS Mailing List <linux-xfs@xxxxxxxxxxx>
Subject: RE: Linux + XFS + SCSI = Problems?
From: "Gonyou, Austin" <austin@xxxxxxxxxxxxxxx>
Date: Thu, 1 Nov 2001 12:17:34 -0600
Sender: owner-linux-xfs@xxxxxxxxxxx
Can SOMEONE please test this and help out? I'm using pretty generic
hardware/software config here. This is a very critical issue. Please help if
you can just take 15mins to run the scripts. 

-- 
Austin Gonyou
Systems Architect, CCNA
Coremetrics, Inc.
Phone: 512-796-9023
email: austin@xxxxxxxxxxxxxxx 

> -----Original Message-----
> From: Gonyou, Austin [mailto:austin@xxxxxxxxxxxxxxx]
> Sent: Wednesday, October 31, 2001 4:29 PM
> To: Linux XFS Mailing List
> Subject: RE: Linux + XFS + SCSI = Problems?
> 
> 
> I just started trying it. Sorry for the conusion. I started 
> using it because
> I put a sleep(1); just after the print garbage and noticed 
> that the system
> was writing out in 4096 byte chunks. The mount options there 
> are from a
> progression of trying different things.
> 
> -- 
> Austin Gonyou
> Systems Architect, CCNA
> Coremetrics, Inc.
> Phone: 512-796-9023
> email: austin@xxxxxxxxxxxxxxx 
> 
> > -----Original Message-----
> > From: Steve Lord [mailto:lord@xxxxxxx]
> > Sent: Wednesday, October 31, 2001 3:45 PM
> > To: Gonyou, Austin
> > Cc: Linux XFS Mailing List
> > Subject: Re: Linux + XFS + SCSI = Problems?
> > 
> > 
> > On Wed, 2001-10-31 at 15:37, Gonyou, Austin wrote:
> > > I'm trying to uncover the root of an issue. 
> > > The issue is this:
> > >   When running a perl script I can get perl to jump up to 
> > 99% cpu. When this
> > > happens, I can't kill the process.
> > > The only thing I can do to recover properly is reset the 
> > system. Either
> > > power cycle or reset. 
> > > Is there anyone who could attempt to run the attatched 
> > script and let me
> > > know if they experience something similar?
> > > 
> > > The targe configuration of the box I'm most concerned with 
> > is as follows:
> > > 512MB RAM (ecc, parity, registered)
> > > 1x 9GB SCSI HDD(seagate)
> > > 1x PCI RAID controller(AMI MegaRAID express) wrthru and 
> read-cached.
> > > DUAL 550 PIII
> > > RH 7.1 SGI XFS 1.0 installed or later. 
> > > non-updated perl 5.6.0(installed with 7.1)
> > > Mount options for the filesystem I'm testing with.
> > > /dev/sda5 on /home type xfs (rw,biosize=13,logbufs=8,osyncisdsync)
> > > 
> > > 2.4.13 Vanilla kernel + SGI XFS patch for 2.4.13. 
> > > Attatched are the perl scripts I use to test with. Also the 
> > kernel config
> > > I'm using. I'm pretty desparate here. 
> > > If you can offer help on this, please help!
> > > 
> > > 
> > > -- 
> > > Austin Gonyou
> > > Systems Architect, CCNA
> > > Coremetrics, Inc.
> > > Phone: 512-796-9023
> > > email: austin@xxxxxxxxxxxxxxx 
> > > 
> > > ----
> > > 
> > 
> > Austin, you did not tell me you were using biosize, have you tried
> > without it?
> > 
> > Steve
> > 
> > -- 
> > 
> > Steve Lord                                      voice: 
> +1-651-683-3511
> > Principal Engineer, Filesystem Software         email: lord@xxxxxxx
> > 
> 


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