On Fri, 13 Dec 2002 01:57:14 -0800, Paul White <Paul.White AT ADIC DOT COM>
wrote:
Good idea, just tried nsrwatch and I'm getting the same speeds reported as
on the GUI.
The slower polling does not refer to the GUI refresh rate, but to how often
the drive is looked at to calculate to reate of transfer.
>Howard,
>
>Have you tried using nsrwatch from a console? I found the update speed on
>this to be much faster than the GUI (NT/Unix), you can see the drive speeds
>quite clearly.
>
>Regards
>
>Paul.
>
>----------------------------------------------------------------------
>
>Date: Thu, 12 Dec 2002 04:34:26 -0500
>From: Howard Martin <howard.martin AT EDS DOT COM>
>Subject: Re: SuperDLT 320 drive: what writing speed are you seeing?
>
>As I've said before on unix (Solaris) the GUI underestimates the drive
>speed by about 25% (16MB/s for an LTO doing 22MB/s - as reported by iostat
>this is because networker polls the drives at a low rate - presumably this
>effect gets worse as the drive speeds increase. With the higher speed
>drives I would use the OS's speed reporting in preference to Networkers.
>
>
>--
>Paul White BSc (Hons), Pre-Sales Systems Engineer
>Advanced Digital Information Corporation (ADIC) Europe
>
>115 Wharfedale Road, SwitchBoard: 0118 922 9100
>Winnersh, Mobile: 07876 575321
>Berkshire, Email: Paul.White AT ADIC DOT com
>RG41 5RB, UK Web: www.adic.com
>
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