[8389] in Info-AFS_Redistribution
Re: File copying
daemon@ATHENA.MIT.EDU (Peter J Scott)
Wed Jan 3 12:17:24 2001
Message-Id: <4.3.2.7.2.20010103085107.00a87890@mail2a.jpl.nasa.gov>
Date: Wed, 03 Jan 2001 08:53:59 -0800
To: Paul Blackburn <mpb@hursley.ibm.com>, info-afs@transarc.com
From: Peter J Scott <Peter.J.Scott@jpl.nasa.gov>
In-Reply-To: <3A53119D.A1DED231@hursley.ibm.com>
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At 11:48 AM 1/3/2001 +0000, Paul Blackburn wrote:
>Peter,
>
>I think you will find that if the copy is run
>on the fileserver itself then the loopback
>address is used (eg data does not flow
>"across the wire"). This is a special
>case because I would normally expect
>only system administrators to have
>access to the fileserver.
>
>Have you thought of using a symbolic link
>instead of copying the file?
I wasn't talking about a specific example; of the times when this has been
a problem sometimes that's acceptable, sometimes it isn't.
>I believe AFS was not designed to optimise 500 MB file copying
>from a client machine but it does provide a scalable secure
>distributed filesystem.
Well sure, but I see no reason that can't include optimizations to avoid
unnecessary network traffic. The PCE user on a laptop over a modem
connection can certainly appreciate this.
