From: Neil Brown <neilb@cse.unsw.edu.au>
Subject: Re: fsid syntax
Date: Thu, 8 Aug 2002 12:44:18 +1000
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To: Benjamin LaHaise <bcrl@redhat.com>
In-Reply-To: message from Benjamin LaHaise on Wednesday August 7
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On Wednesday August 7, bcrl@redhat.com wrote:
> On Thu, Aug 08, 2002 at 06:31:01AM +1000, Neil Brown wrote:
> > (*)  I really don't think that basing the fsid on the device number is
> > at all sensible.  Afterall, that is what we are trying to avoid.
> > Just pick a number, any number.
> > 1 for the first filesystem, 2 for the second.
> > Your age for the filesystem storing you home directory.
> > 42 for the filesystem storing the Great Question of Life, The
> > Universe, and Everything.
> 
> It would make sense for filesystems that have a GUID, like ext2/3, 
> for it to be used as the fsid.  Just a thought.

Nice thought, but I don't really have enough bits.  32 is about all I
can afford for NFSv2.

If we had a VFS interface that allowed generic access to a GUID, then
an export option that says "use the GUID if present for NFSv3 or
higher" might be OK...

NeilBrown


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