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Re: umount fails with device is busy

To: stress_buster <leo1783@xxxxxxxxx>
Subject: Re: umount fails with device is busy
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Tue, 22 Mar 2011 16:13:53 +1100
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <31199414.post@xxxxxxxxxxxxxxx>
References: <31199414.post@xxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
On Mon, Mar 21, 2011 at 03:53:04AM -0700, stress_buster wrote:
> I'm trying to run xfs_repair on my filesystem:

Why do you need to do this?

> Firstly to unmount the fs
> Quote:
> umount /myfs
> umount: /myfs: device is busy
> umount: /myfs: device is busy  
> Quote:
> lsof /dev/sda  
> -show none ie nothing seems to be 'touching' the disk.
> confused why its still showing device is busy

Did you have an oops or a filesystem shutdown? i.e. anything in
syslog of note?


Dave Chinner

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