[647] in athena10
Re: attach -e
daemon@ATHENA.MIT.EDU (Greg Price)
Tue Dec 2 15:57:18 2008
Date: Tue, 2 Dec 2008 15:56:33 -0500
From: Greg Price <price@MIT.EDU>
To: Jonathan Reed <jdreed@mit.edu>
Cc: athena10@mit.edu
Message-ID: <20081202205632.GE10836@vinegar-pot.mit.edu>
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On Tue, Dec 02, 2008 at 03:46:59PM -0500, Jonathan Reed wrote:
> On Dec 2, 2008, at 3:38 PM, Greg Price wrote:
> >Perhaps I'm missing something, but this is equivalent to an
> >ln -s ; aklog, right? So if I were attaching RW volumes, I'd just
> >symlink the volume into /mit on a single-user machine, or some other
> >location on a public machine. Is there another reason that makes this
> >compelling as a special feature of attach?
>
> Yes, because it puts it under the /mit mountpoint. That way, you can
> run software out of an RW volume. If you attach it somewhere else,
> the software will still refer to /mit/whatever and you'll get the RO
> version, not the RW one.
Right, so
$ sudo ln -s /afs/.athena/foo/bar /mit/bar
and then go about your business.
It only makes sense to be putting it in /mit on a single-user machine
anyway because otherwise you alter other users' namespaces and could
confuse them, so it's fine that you have to have root.
Greg
