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Mail Archives: opendos/2000/09/21/12:31:39

From: "Matthias Paul" <PAUL-MA AT reze-1 DOT rz DOT rwth-aachen DOT de>
Organization: Rechenzentrum RWTH Aachen
To: opendos AT delorie DOT com
Date: Thu, 21 Sep 2000 18:31:03 +0100
Subject: Re: NWCache limits
X-mailer: Pegasus Mail v3.22
Message-ID: <249D9891569@reze-1.rz.rwth-aachen.de>
Reply-To: opendos AT delorie DOT com

On 2000-09-15 Alex Venn wrote:

> > [...] apparently NWCache refuses to
> > delayed-write cache all of her logical drives even when a drive is
> > specifically "forced".
> It looks as if only the first eight are being
> > delayed-write cached if the status display is to be believed.
I don't know of any such problem. I would be interested in the
exact (!) partitioning and type of all drives found on this system
(physically as well as logically).
For example, if NWCACHE would detect some of the drives as removable 
media, this would be the reason not to delay any writes on them. 
Are there any special media related drivers loaded, e.g. CD-ROM 
drivers, ZIP, JAZ, etc. drivers? Bus-master drivers? If so, 
I would try to remove them temporarily to isolate the problem. 
In this case I would also be interested in CONFIG.SYS/AUTOEXEC.BAT.
I might be able to help.

One more thing to check, although this would affect all drives:
NWCACHE cannot delay any writes with VERIFY ON. Please ensure
that VERIFY OFF is in effect.

 Matthias
 
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