From: Petro <petro@auctionwatch.com>
To: Michael Cheung <vividy@justware.co.jp>
Cc: Andreas Dilger <adilger@clusterfs.com>, linux-kernel@vger.kernel.org
Subject: Re: mount -o remount,ro cause error "device is busy"
Date: Wed, 6 Mar 2002 18:27:49 -0800 [thread overview]
Message-ID: <20020307022749.GF32504@auctionwatch.com> (raw)
In-Reply-To: <20020306074908.GA342@matchmail.com> <20020306011519.C963@lynx.adilger.int> <20020306172418.C8A3.VIVIDY@justware.co.jp>
In-Reply-To: <20020306172418.C8A3.VIVIDY@justware.co.jp>
On Wed, Mar 06, 2002 at 05:33:45PM +0900, Michael Cheung wrote:
> hi,
>
> maybe i am wrong, but I really can't find any other process runing.
>
> my step is:
> 1) "/" and "/usr" are busy
> 2) shut down to single user mode
> 3) "/" still busy
> 4) "/usr" can be unmounted, but can't mount -o ro,remount /usr, show busy error.
> 5) umount -a, after this, only /proc and / exist.
> 6) mount -o ro,remount /, show busy error.
> On Wed, 6 Mar 2002 01:15:19 -0700
> Andreas Dilger <adilger@clusterfs.com> wrote:
> > Clearly, some program is keeping "/usr" busy (which is keeping "/" busy)
> > before the change to single user mode. Just a bit of "lsof" needed to
> > find such things. ||||
^^^^
Best bet is to man lsof.
lsof's your buddy.
--
Share and Enjoy.
prev parent reply other threads:[~2002-03-07 2:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-06 7:40 mount -o remount,ro cause error "device is busy" Michael Cheung
2002-03-06 7:49 ` Mike Fedyk
2002-03-06 8:13 ` Re[2]: " Michael Cheung
2002-03-06 8:15 ` Andreas Dilger
2002-03-06 8:33 ` Re[2]: " Michael Cheung
2002-03-06 9:47 ` Andreas Schwab
2002-03-07 2:27 ` Petro [this message]
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