RE: [Xen-users] Device /dev/mapper/vg00-virt--linuxtest_32--0 ismounted in a guest domain, and so cannot be mounted now.

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> James Harper
> Sent: 13 June 2007 13:42
> To: James Harper; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Device 
> /dev/mapper/vg00-virt--linuxtest_32--0 ismounted in a guest 
> domain, and so cannot be mounted now.
> 
> > 
> > I tried to start a linux hvm domain (just for testing some things
> > compared to a pv domain), and it didn't start up. I then did a 'xm
> > shutdown', which didn't work, then a 'xm destroy', and from then the
> 'xm
> > list' function just hung.
> 
> The reason it hung is that my config was still using the 3.0.4
> hvmbuilder stuff... I guess that's allowed although I would have hoped
> that xend wouldn't have suffered such a panic attack...

That's strange indeed. 
> 
> > 
> > I then restarted xend, and 'xm list' works, but now when I try to
> start
> > the linux hvm domain (linuxtest_32), it says this:
> > 
> > "
> > Using config file "./linuxtest_32".
> > Error: Device 768 (vbd) could not be connected.
> > Device /dev/mapper/vg00-virt--linuxtest_32--0 is mounted in a guest
> > domain,
> > and so cannot be mounted now.
> > "
> > 
> > So I guess xend got broken and didn't clean something up 
> after itself.
> > Any suggestions as to how I can clean up that record without
> rebooting?
> > 
> 
> I removed the entry using xenstore-rm... seemed to work... was it the
> right thing to do in that case?

That is what the "xm" tools would do (obviously not running the
xenstore-rm command as such, but removing the entry in xenstore). 

--
Mats
> 
> Thanks
> 
> James
> 
> 
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> 



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