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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: Roger Willcocks <roger@xxxxxxxxxxxxxxxx>
Date: Mon, 21 Mar 2011 11:29:26 +0000
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <31199414.post@xxxxxxxxxxxxxxx>
References: <31199414.post@xxxxxxxxxxxxxxx>
> 
> I'm trying to run xfs_repair on my filesystem:
> 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

Are you swapping to it ?
# cat /proc/ swaps

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