From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lucio De Re <lucio@proxima.alt.za>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] mv vs cp
Message-ID: <20011008164020.G28720@cackle.proxima.alt.za>
References: <20011008130330.AF71F199B5@mail.cse.psu.edu>
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In-Reply-To: <20011008130330.AF71F199B5@mail.cse.psu.edu>; from rob pike on Mon, Oct 08, 2001 at 09:03:28AM -0400
Date: Mon,  8 Oct 2001 16:40:20 +0200
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On Mon, Oct 08, 2001 at 09:03:28AM -0400, rob pike wrote:
> 
> What should mv do to a `tree' that resides on multiple file servers?
> If you can't do something right, sometimes it's not worth doing at
> all.
> 
We accept that the "trees" (you're perfectly right about directed
graphs) are rooted at the same fileserver, I think.  Moving the root
to a new location on the fileserver isn't going to be affected by
portions below it that may stride other filesystems.

In my ignorance, I presume that only the root needs to move around and
the rest (hopefully acyclically) will remain unchanged.  Does the
possibility exist that we may be creating loops?

++L