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SubjectRe: Multiplexing filesystem
On Tue, Nov 27, 2001 at 09:45:22AM -0500, Mark Richards wrote:
> Helge Hafting wrote:
> >
> > Coda already do what you want:
> > Files are kept on a server, and copied to your local disk when
> > you use it. You may even disconnect when working on the local
> > copy - your changes will be propagated back to the server
> > whenever you reconnect to the network.
> > The copying is indeed completely transparent.
> >
> > If you need reservation - use the permission system.
> > A suid program simply makes _you_ owner, and only
> > the owner gets write permission. This is your check-out
> > program. Check-in consists of changing ownership
> > back to root (or some userid allocated to the versioning system)
> >
> > Helge Hafting
> I'll look into Coda, but ideally I wouldn't have to copy each file to the local
> workstation when I use it, only when it is reserved for editing. Also, I'd like to
> be able to store the local copy anywhere on the filesystem, if possible.

Don't know much about coda, but...

Helge has basically said that the files *are* copied to your system
transparently (probably to a configurable location) and once you are
finished it will be synced with the coda server.

If you need *exclusive* access, just check out (change permissions to you as
owner, and chmod 0600), and back when you're done. This is probably done
with root suid tools to be able to chown.

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