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Re: /mit symlink to attached locker can't be removed

daemon@ATHENA.MIT.EDU (Geoffrey Thomas)
Fri Sep 19 19:28:32 2008

Date: Fri, 19 Sep 2008 19:27:47 -0400 (EDT)
From: Geoffrey Thomas <geofft@MIT.EDU>
To: Alex T Prengel <alexp@mit.edu>
cc: testers@mit.edu
In-Reply-To: <200809192319.m8JNJOIC026780@dit.mit.edu>
Message-ID: <alpine.DEB.1.10.0809191919590.32353@vinegar-pot.mit.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed

This is "intentional"; it's a FUSE filesystem. Even if you deleted it, you 
couldn't create another symlink on top of it, and next time you referenced 
it at all, it would come back.

Are you trying to attach something else (like a read-write locker) on top 
of it? We should probably support this, for locker maintainers. I've 
reported this as ticket #96 at debathena.mit.edu/trac/.

-- 
Geoffrey Thomas
geofft@mit.edu

On Fri, 19 Sep 2008, Alex T Prengel wrote:

>
> I can attach and add lockers, but detach doesn't remove the /mit symlink,
> and root can't delete it:
>
> pavane:Fri athena% attach java_v1.1.6
> attach: /afs/athena.mit.edu/software/java_v1.1.6 attached to /mit/java_v1.1.6 for filesystem java_v1.1.6
> pavane:Fri athena% detach java_v1.1.6
> detach: java_v1.1.6 detached
> pavane:Fri athena% ls -l /mit/java_v1.1.6
> lrwxrwxrwx 1 root root 40 1969-12-31 19:00 /mit/java_v1.1.6 -> /afs/athena.mit.edu/software/java_v1.1.6/
> pavane:Fri athena% su
> Password:
> root@pavane:/afs/athena.mit.edu/user/a/l/alexp# rm -f /mit/java_v1.1.6
> rm: cannot remove `/mit/java_v1.1.6': Function not implemented
> root@pavane:/afs/athena.mit.edu/user/a/l/alexp# ls -l /mit/java_v1.1.6
> lrwxrwxrwx 1 root root 40 1969-12-31 19:00 /mit/java_v1.1.6 -> /afs/athena.mit.edu/software/java_v1.1.6
>
>                                   Alex
>

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