From: Ingo Oeser <ioe-lkml@rameria.de>
To: Ian Turner <vectro@vectro.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: waiting for MNT_DETACH
Date: Tue, 4 Jul 2006 00:43:10 +0200 [thread overview]
Message-ID: <200607040043.11868.ioe-lkml@rameria.de> (raw)
In-Reply-To: <200607021451.24595.vectro@vectro.org>
Hi Ian,
On Sunday, 2. July 2006 20:51, Ian Turner wrote:
> I administer a two-node high-availability cluster using DRBD and heartbeat.
>
> So, here's the question: Is there a way to check if a call to umount2(...,
> MNT_DETACH) has completed or not?
Check the usage count (refcount) of the DRBD module. It should be as low as
you would expect with a normal umount.
"cat /sys/module/drbd/refcnt" should be the right command.
Regards
Ingo Oeser
prev parent reply other threads:[~2006-07-03 22:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-02 18:51 Ian Turner
2006-07-03 22:43 ` Ingo Oeser [this message]
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