Networker

Re: [Networker] Slow SDLT drive speeds on Windows 2000

2003-08-25 10:31:43
Subject: Re: [Networker] Slow SDLT drive speeds on Windows 2000
From: Paul Crossman <pcrossma AT WILDFIRE DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Mon, 25 Aug 2003 10:30:53 -0400
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
> 
> 
> --
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-- 
Paul Crossman @ Wildfire Communications, Inc.
Senior Unix Systems Administrator
Phone & Fax:  781-778-3517
Email:  pcrossma AT wildfire DOT com


--
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