mount: /dev/ada0p1: Device busy Busy with what?

Polytropon freebsd at
Thu Sep 12 23:31:12 UTC 2013

On Fri, 13 Sep 2013 00:54:01 +0200, Per olof Ljungmark wrote:
> I have apart from the boot drives a SATA disk for storage. Usually I
> would mount it with
> mount /dev/ada0p1 /archive
> but as my last reboot into
> FreeBSD 9.1-STABLE #0 r252369
> I cannot mount the disk, I get
> mount: /dev/ada0p1: Device busy
> Well, busy with what?
> fuser -m /dev/ada0p1
> /dev/ada0p1:
> I REALLY need to acces trhis UFS formatted drive, how can I convice it
> that everything is ok and it's not really busy with anything?
> Could anyone please help to sort this please?

Maybe a fsck is running on the disk device? Also check "mount -v"
if the disk is really unmounted. Make sure any running fsck has
been finished and try again. In worst case, manually initiate a
file system check. Then try mounting the disk again.

Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...

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