Which model Compaq controller did you go with.  We may have one here on
hand that I could test out.

Paul C.

On Mon, 2003-08-25 at 11:31, Mark T Wragge wrote:

> I have come across a similar case with a compaq proliant server and sdlt
> drives working very slowly.  The Adaptec card had to be changed to a compaq
> scsi card.  Then the problem was gone.  I know this sounds crazy but it was
> the solution to our problem (solution provided by compaq).
> 
> You should log the call with compaq and see if they give you a similar
> response.  Then maybe ask the supplier of your SCSI card to provide a compaq
> one as a test.  Also, log the call with adaptec.
> 
> I am  interested in your solution to this problem if it is related to the
> scsi card model.
> 
> 
> Mark
> 
> 
> 
> ----- Original Message -----
> From: "Paul Crossman" <pcrossma AT WILDFIRE DOT COM>
> To: <NETWORKER AT LISTMAIL.TEMPLE DOT EDU>
> Sent: Monday, August 25, 2003 3:30 PM
> Subject: Re: [Networker] Slow SDLT drive speeds on Windows 2000
> 
> 
> > The driver for my Adaptec 29160 is 6.1.6300.100 dated 7/15/2003.
> >
> > Paul C.
> >
> > On Mon, 2003-08-25 at 03:14, Girot, Jean-Pierre wrote:
> >
> > > Hello,
> > >
> > > Could you check your driver version for your Adaptec 29160 SCSI
> controller ?
> > >
> > >
> > > Best Regards
> > > Jean-Pierre GIROT.
> > >
> > >
> > > -----Message d'origine-----
> > > De : Paul Crossman [mailto:pcrossma AT WILDFIRE DOT COM]
> > > Envoyé : vendredi 22 août 2003 23:12
> > > À : NETWORKER AT LISTMAIL.TEMPLE DOT EDU
> > > Objet : [Networker] Slow SDLT drive speeds on Windows 2000
> > >
> > >
> > > This problem has plagued me off and on for a while now, and it has
> > > reared it's ugly head again.
> > >
> > > Here's my config for reference.
> > >
> > > Backup Server:
> > >
> > > Compaq Prolaint DL380G2
> > > Dual 1.44GHz processors
> > > 1024 MB RAM
> > > Adaptec 29160 SCSI controller
> > > 5 NIC devices (3 are trunked together to make 300 Base-T (well sort of))
> > > OS:  Windows 2000 Adv Server w/ all current critical patches (including
> > > the MSBlaster hotfix)
> > > Networker 6.2
> > >
> > >
> > > Storage Node:
> > > Compaq Proliant DL380 G1
> > > Dual 800MHz processors
> > > 1024 MB RAM
> > > Adaptec 29160 SCSI controller
> > > OS:  Red Hat Linux 7.2
> > > Networker 6.1.2
> > >
> > > Tape Hardware:  ADIC Scalar 1000 w/ 4 SDLT220 tape drives (2 drives for
> > > the server & 2 for the storage node)
> > >
> > > I have just updated the Windows SCSI and SDLT drivers to the latest
> > > available because of this issue.  That did not fix the problem.
> > >
> > > Here's the deal.  Every so often, tape drive write speed drops to about
> > > 1600KB/s from a blistering 15MB/s plus on the  Windows tape drives.
> > > Even when cloning.  I'm not sure what is causing this to happen, but it
> > > prevents me from getting things done in a timely manner.
> > >
> > > Has anyone else seen this before?
> > >
> > > Any help would be appreciated.  I'm about to turn off Networker and try
> > > defragging the Disk.
> > >
> > > Thanks,
> > > Paul C.
> > >
> > >
> > >
> > > --
> > > Paul Crossman @ Wildfire Communications, Inc.
> > > Senior Unix Systems Administrator
> > > Phone & Fax:  781-778-3517
> > > Email:  pcrossma AT wildfire DOT com
> > >
> > >
> > > --
> > > Note: To sign off this list, send a "signoff networker" command via
> email
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> > > --
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> > --
> > Paul Crossman @ Wildfire Communications, Inc.
> > Senior Unix Systems Administrator
> > Phone & Fax:  781-778-3517
> > Email:  pcrossma AT wildfire DOT com
> >
> >
> > --
> > Note: To sign off this list, send a "signoff networker" command via email
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> >

-- 
Paul Crossman @ Wildfire Communications, Inc.
Senior Unix Systems Administrator
Phone & Fax:  781-778-3517
Email:  pcrossma AT wildfire DOT com


--
Note: To sign off this list, send a "signoff networker" command via email
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http://listmail.temple.edu/archives/networker.html where you can
also view and post messages to the list.
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