I can't remember the card model. It was a site I did some consultancy for
last december. I 'completed' the configuration of netbackup as it was
behind schedule because of the performance problems. They told me that they
had changed the SCSI card on compaqs recommendation. I thought one of two
things when I heard this:
1) it was an excuse for the project being behind schedule
2) compaq/adaptec have had a communication breakdown in the development of
their hardware/software.
You should try another scsi card that you have. Test by backing up the
backup server itself so that the network is avoided.
Mark
----- Original Message -----
From: "Paul Crossman" <pcrossma AT WILDFIRE DOT COM>
To: <NETWORKER AT LISTMAIL.TEMPLE DOT EDU>
Sent: Monday, August 25, 2003 4:52 PM
Subject: Re: [Networker] Slow SDLT drive speeds on Windows 2000
> 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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> > > >
> > > > --
> > > > Note: To sign off this list, send a "signoff networker" command via
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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
> to listserv AT listmail.temple DOT edu or visit the list's Web site at
> http://listmail.temple.edu/archives/networker.html where you can
> also view and post messages to the list.
> =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
>
--
Note: To sign off this list, send a "signoff networker" command via email
to listserv AT listmail.temple DOT edu or visit the list's Web site at
http://listmail.temple.edu/archives/networker.html where you can
also view and post messages to the list.
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