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Date: Wed, 31 Jan 2001 08:26:28 -0800
From: "H. Peter Anvin" <[EMAIL PROTECTED]>
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To: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
CC: Rick Troth <[EMAIL PROTECTED]>, [EMAIL PROTECTED],
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Subject: Re: parsing problem, colon -vs- slash
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Jeremy Fitzhardinge wrote:
>
> On Wed, Jan 24, 2001 at 01:44:29PM -0600, Rick Troth wrote:
> > The tradition has been (I think this originated with Sun)
> > that if the mountable object is a volume, the syntax is "host:path".
> > But if the object to be mounted is a sub-directory of a shared volume,
> > the sub-dir is coded with a colon like this ... "host:path:subdir".
> > For example from "auto.home":
> >
> > mything -rw,hard,intr server:/export/bigvolume:mysubdir
>
> How is this different from server:/export/bigvolume/mysubdir?
>
On Suns, it establishes a single mount of server:/export/bigvolume, and
only exposes the "mysubdir" part. This is strictly an in-kernel
performance optimization though, mostly for the case of a home directory
server; it is 100% legal to treat them identical.
It's one more example of ad hockery in the Sun map syntax :(
-hpa
--
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