Coda File System

Re: Coda diconnected operation

From: Peter J. Braam <>
Date: Mon, 14 Sep 1998 17:44:47 -0400 (EDT)
On Mon, 14 Sep 1998, Kragen wrote:

> On Mon, 14 Sep 1998, Michael D. Ivey wrote:
> > On Fri, Sep 11, 1998 at 05:24:31PM -0400, Jeff Breidenbach wrote:
> > > Did you ever resolve the disconnected operation issue? I'm
> > > at the same stage you were, with a working client/server, and
> > 
> > Well, I followed Peter's advice and made a replicated volume.  I've
> > deleted and recreated and uninstalled and reinstalled so many times
> > I'm sick.

This is in fact our fault.  


After setting up the server you start auth2, rpc2portmap, updatesrv and

You must then do:

createvol_rep "YOUR ROOTVOLUME NAME" E0000100 /vicepa
(assuming you chose /vicepa).

With an unreplicated volume, you cannot have disconnected operation. 


YOU MUST first authenticate.  That means you need either to install new
Coda users and do clog before going disconnected, or you install a user
admin with uid 500 and do 

clog admin
passwd: changeme

Again, otherwise you cannot do anything after you disconnect.

We will make this clearer at setup time (I modified the setup scripts this
afternoon to be clear about the replicated volume stuff).  Jan will fix up
the warnings about authenticating before reintegrating. 

> Can I expect to have similar problems?  I was hoping to demo Coda for
> the Cincinnati Linux Users' Group in a few weeks, and I was hoping it
> would be something I could install in an hour or two.

You should take a good chunk of time to prepare the demo.  Ask us for

> I expect Coda will be really, really important for a lot of people in
> the near future.  The combination of replicated servers for reliability
> and disconnected clients will be a true killer app, uh, filesystem.  :)
> Some things I'm wondering about:
> - Can I mount a Coda volume on an NFS server or Samba server for the
> benefit of those peons who don't have the Coda client stuff on their
> machines?

NFS server: no, we don't know why. 
Samba: yes, I use it all the time.

> - I know Coda handles authorization a little better than NFS, right?

authentication can now be done kerberized even!
encryption is still weak.  Robert Watson will improve the options in the
near future.

- Peter -

> I read the mailing list, but I miss a lot.
> Kragen (hopeful of answers)
> -- 
> <>       Kragen Sitaker     <>
> The sages do not believe that making no mistakes is a blessing. They believe, 
> rather, that the great virtue of man lies in his ability to correct his 
> mistakes and continually make a new man of himself.  -- Wang Yang-Ming
Received on 1998-09-14 17:56:31