Does anybody have problems with compression.  Its worse sometioms
(almost all tapes just use the rated 50G) and then gets better for a
while.

Paul
>
> Date: Thu, 8 Aug 2002 03:51:26 -0400
> From: Howard Martin <howard.martin AT EDS DOT COM>
> Reply-To: Legato NetWorker discussion <NETWORKER AT LISTMAIL.TEMPLE DOT EDU>,
>      Howard Martin <howard.martin AT EDS DOT COM>
> To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
> Subject: Re: [Networker] strange tape writing stats
>
> I've hit the same problem.
> NetWorker 6.1.1.Build.238 Enerprise Edition
> SunOS 5.7 E450
> DLT7000 and IBM LTO
> I find the nwadmin GUI under reports speeds by around 25% , the response
> from our Legato support company was that this was due to networker not
> polling the drives frequently, to increase the polling rate and improve
> accuracy was considered unlikely to be a high priority for Legato but I'm
> going to ask that a RFE is rasied for it.
>
>
> On Wed, 7 Aug 2002 13:26:07 -0400, Paul T. DAY <day AT DEAS.HARVARD DOT EDU> 
> wrote:
>
> >        When I look in nwadmin/nsrwatch, I see writing at about 4.5 meg/hr
> >yet when I do an iostat I see it writing/reading at just over 6 megs/hr.
> >Is this normal.  I also don't seem to be getting much compresion most of
> >the time.  Any ideas.
> >
> >NetWorker 6.1.1.Build.238 Power/110
> >SunOS nsrhost 5.8 Generic_108528-05 sun4u sparc SUNW,Ultra-80
> >Qualstar library with 7 AIT-2 drives
> >
> >Paul

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