Re: fsid question

[Chris Osicki <osk@admin.swisscom-mobile.ch>]

On Mon, 26 Mar 2007 17:00:36 -0400
Wendy Cheng <wcheng@redhat.com> wrote:

Hi

> Jason Keltz wrote:
> > Hi.
> >
> > I'm running a RedHat Enterprise 4 system.
> >
> > I have a question about the fsid option in /etc/exports that I was 
> > hoping someone might be able to help with.
> >
> > I am working with LVM under Linux.  If I export LVM volumes via NFS, the 
> > fsid is based on major/minor number.  
> This statement needs correction. An NFS fsid is not based on major/minor 
> numbers - it is is a 32 bit number that admin (root) can arbitrary 
> choose and use to uniquely identify an NFS export. More on this in the 
> following comment.

And this statement needs correction too ;-)
fsid _is_ based on major/minor number. I learned it the hard way,
seeing two filesystem swapped on NFS clients because of minor
number change after switching a cluster package to another node.

Then I read carefully fsid section in man 5 exports.

Regards,
Chris

[snip] 

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