From: Bernd Schubert <bernd-schubert@web.de>
Subject: Re: fsid syntax
Date: Wed, 7 Aug 2002 18:30:54 +0200
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References: <200208071711.00712.bernd-schubert@web.de> <shsk7n2d70y.fsf@charged.uio.no>
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To: Trond Myklebust <trond.myklebust@fys.uio.no>
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On Wednesday 07 August 2002 17:26, Trond Myklebust wrote:
> >>>>> " " == Bernd Schubert <bernd-schubert@web.de> writes:
>      > Hi, probably on Friday I need to make use of setting the fsid
>      > in the /etc/exports.
>      >
>      > Since I can't find the syntax in the exports manpage (manpage
>      > was last time changed on Januar, while the fsid-feature seems
>      > to be become added to cvs on February).
>      >
>      > So I'd like to know the exact sytanx, is for example:
>      >
>      > /testdir testnode(fsid=/dev/sdb)
>
> The fsid is a number, not a device. In principle you can set it to any
> number you like as long as you keep it consistent over reboots.
>
> One suggestion is to use the device major/minor number in the format
> minor + (major * 256). (That's what nfsd uses by default for block
> devices.)
>
> Cheers,
>   Trond
>
>

Uh, good that I asked for this, so I was completely wrong.

Is there a way to get the current fsid (after a reboot on Friday the fsid will 
change and I don't want to reboot our clients) ? Or is it simply the fsid of 
e.g.  /dev/sdb, so that I can get it with statfs() ?

Thanks for your help,

Bernd


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