From:	"Tom Demmer" <DEMMER AT brain1 DOT lstm DOT ruhr-uni-bochum DOT de>
Organization:	Lehrstuhl Stroemungsmechanik, RUB
To:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>,
	Martin Stromberg <Martin DOT Stromberg AT lu DOT erisoft DOT se>,
	djgpp-workers AT delorie DOT com
Date:	Tue, 24 Mar 1998 15:16:29 GMT-1
MIME-Version:	1.0
Subject:	Re: Where to get the latest sources for djtar
Reply-to:	Demmer AT lstm DOT ruhr-uni-bochum DOT de
Message-ID:	<575B5867CD3@brain1.lstm.ruhr-uni-bochum.de>

> 
> On Tue, 24 Mar 1998, Tom Demmer wrote:
> 
> > I tried Martins version on a 3.11 NW server with VLMs as the network 
> > redirector. It worked fine up to the 25th subdirectory, starting from
> > the NW _real_root dir of the netware volumes, so this is a limitation 
> > of Netware.
> 
> IIRC, Netware 3.x hooks the DOS Interrupt 21h *ahead* of DOS, as opposed 
> to using the DOS network redirector interface, which is how most of the 
> network software works.  The DOS Network Redirector API lets DOS use its 
> usual internal structures (and thus imposes the same limitations) as for 
> the local drives, and only calls the network drivers for the primitive 
> operations, like open, read, scan directory, etc.  OTOH, Novell 3.x 
> catches the DOS functions ahead of DOS and thus bypasses DOS entirely.

Watchout, that's why I said *VLM*. What you describe is the behaviour 
of the old, outdated *NETX* shell (although it is still quite often 
used, I'll dig in my disk desk to find and test that..., sigh).
VLM hooks into the network API of DOS.

Maybe I was a bit unclear, the maximum directory depth is a 
(mis)feature of the NetWare *server*, not the client.  So you will 
get the same error with a Mac client.


> 
> Therefore, it is no surprise that Netware has different 
> restrictions. 
> Netware 4.x switched to using the redirector API, again IIRC.
> 
Well, NW4.x comes with VLM as the default DOS client, but Novell 
recommends using it for NW3.x, too, because it has some nice features 
like up to 9 network printer ports.

Ciao
Tom

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