From: Ian Kent <raven@themaw.net>
Subject: RE: mtab and procs not in sync?
Date: Wed, 9 Jun 2004 10:20:06 +0800 (WST)
Sender: nfs-admin@lists.sourceforge.net
Message-ID: <Pine.LNX.4.58.0406091012060.12971@wombat.indigo.net.au>
References: <482A3FA0050D21419C269D13989C61130435E229@lavender-fe.eng.netapp.com>
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Cc: Phy Prabab <phyprabab@yahoo.com>, nfs@lists.sourceforge.net
To: "Lever, Charles" <Charles.Lever@netapp.com>
In-Reply-To: <482A3FA0050D21419C269D13989C61130435E229@lavender-fe.eng.netapp.com>
Errors-To: nfs-admin@lists.sourceforge.net

On Tue, 8 Jun 2004, Lever, Charles wrote:

> if there are a lot of mounts on the system, then /proc/mounts can be
> truncated and not show all of them.

That's very cool.
And a timely piece of information since I was about to change autofs to 
rely on it instead of mtab.

So we can't rely on /proc/mounts being correct?
And mount consistently corrupts /etc/mtab under load.
And the util-linux list is closed and unresponsive last time I tried.

I will need to revisit this to give an account of what I think may be 
wrong with mounts mtab locking. Indeed, I have couple of questions about 
how it is supposed to work as it's not clear from the code.

Have you got any ideas how I could get the attention of the maintainer of 
mount?

Ian


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