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From Anthony Jewell <>
Subject Re: FW: Older version of apache2
Date Wed, 27 Nov 2002 09:15:17 GMT
On Tue, 26 Nov 2002, Roy T. Fielding wrote:
> Subject: Re: FW: Older version of apache2
> So you suggest initially populating old/ and then symlinking the
> now-current version in the main download directory at the old/
> target, instead?  It would still initially download the package
> twice, and then simply unlink it later on, right?
> Or what's the right approach here?

If you want to move a file with rdist/rsync but don't want the mirrors
to re-copy then you hard link the files. The mirror software should
recognise that the new inodes are links to current inodes on their
mirror. The link will be made. After a certain period when you are
sure that all mirrors are up to date you remove the original inodes so
completing the move.

(Obviously you would only link the files, the directories would have
to be new inodes.)

Note that Hardlink preservation is on by default on rdist but not in

It might be worth putting a note in the TLD indicating what is going
on and why with and indication as to when the original files will be

Tony J

Tony Jewell                   
Cregganna Computer Consultants Ltd.

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