Re: recursive NFS export of mounted ISO images -- Automounter Maps?

["Bryan J. Smith" <b.j.smith@ieee.org>]

Quoting Dave Ingram <davei@wolfram.com>:
> I understand. But I think it's odd that I did the following 
> successfully:
> 1. Mounted 3 ISO images from the /Source partition to /Jukebox
> 2. Added entries for each of the /Jukebox/... directories into
> 'exports'
> 3. Reloaded NFS
> 4. Successfully NFS mounted and used the files from the server
> How is that possible if one cannot cross filesystem boundaries on 
> the server side? The source partition is different than the destination
> partition.

And you're mounting the source partition too, right?  That should work then.

> Ah. That's provided that all your clients can deal with autofs. We 
> have every *NIX flavor you can think of here. The single common 
> denominator for them is NFS.
> Well, you're lucky - Linux and Solaris support autofs and have 
> consistent mechanisms for configuring them. Some of our *NIX's either 
> don't have anything like autofs/NIS or have completely different ways of
> configuring them.

Really?  I've messed with AIX and Irix too and it had both as well.

Sometimes I've had to create maps named "auto_master_irix" and similiar, but it
worked.

> I'm still confused then how I was able to perform the experiment 
> quoted earlier. From all appearances, I *did* cross filesystems (which
> as I said confuses me greatly)

If you mount _both_ the .iso source _and_ the loopback mount, it _will_ work.

> You're assuming again that all the client machines HAVE something 
> even remotely like "mkisofs". A lot of them do not.

First off, mkisofs runs on _everything_ I've seen, even Windows.

Secondly, run "mkisofs" on the server, but write on the client.

> Unfortunately that just isn't how our software engineering system 
> works. SQA is explicit about having the files they test be directly
> FROM the ISO image.

As an engineer myself, used to working in production testing environments, I
find this logic rather flawed.  You aren't really running from the .iso image
anyway.  ;-P

> Burning many CDs every day and shuffling them around is a
> nightmare, which is why we're trying to do this.

Again, I think your QA process is not exactly true.

> No, I *have* worked with automounter, under Solaris several years
> ago.

What UNIX client flavors are you running anyway?

-- 
Bryan J. Smith, E.I.            Contact Info:  http://thebs.org
A+/i-Net+/Linux+/Network+/Server+ CCNA CIWA CNA SCSA/SCWSE/SCNA
---------------------------------------------------------------
           limit      guilt   =     { psychopath,
         remorse->0                    innocent }



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