Xen users - Apr 2007 - mounting volumes on sdb creates error after starting xen

I have just installed xen 3.0.3 and whenever I try to mount a volume
on the second hard drive I get the error below.

mount: /dev/sdb2 already mounted or /backup1 busy

Is that a known problem with Xen in general?

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On 11/04/07, Frank Church <voipfc@googlemail.com>
wrote:
> I have just installed xen 3.0.3 and whenever I try to mount a volume
> on the second hard drive I get the error below.
>
> mount: /dev/sdb2 already mounted or /backup1 busy
>
> Is that a known problem with Xen in general?
>
Any help?

I have googled around and it appears to be something related disk
volume management, like LVM or raid or some other such thing. EVMS
appears to be it. I will try disabling it to see.

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Hi.,

I want to see if Xen support lables for disk devices. So I added the labels 
for root and swap partitions of guest domain. However, it seems Xen does not 
support LABELs for disk devices. The disk device section of my config file 
is as follows:
disk = [ ''LABEL=ROOT-domUP, sda1, w'',
''LABEL=ROOT-domUP, sda2, w'' ]

Xen reports kernal panic when it is booting guest domain using disk device 
LABELs while it boots fine with physical device or LVM path.

Regards,

Liang


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On 4/11/07, Liang Yang <multisyncfe991@hotmail.com>
wrote:
> Hi.,
>
> I want to see if Xen support lables for disk devices.
It doesn''t, nor should it. It''s a "hypervisor", not
an "ext2-label-visor". :-)

jerry

-- 
"Oh joy! Rapture! I''ve got a brain"
-Scarecrow

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Xen does support labels within DomU however..

If you label a block device in Dom0 you can mount by label in domU...

I know it''s not what you want.. but it may help a little.
---
AlanP


On 11 Apr 2007, at 20:12, Jerry Amundson wrote:
> On 4/11/07, Liang Yang <multisyncfe991@hotmail.com> wrote:
>> Hi.,
>>
>> I want to see if Xen support lables for disk devices.
>
> It doesn''t, nor should it. It''s a "hypervisor",
not an "ext2-label-
> visor". :-)
>
> jerry
>
> -- 
> "Oh joy! Rapture! I''ve got a brain"
> -Scarecrow
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

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On 11/04/07, Frank Church <voipfc@googlemail.com>
wrote:
> On 11/04/07, Frank Church <voipfc@googlemail.com> wrote:
> > I have just installed xen 3.0.3 and whenever I try to mount a volume
> > on the second hard drive I get the error below.
> >
> > mount: /dev/sdb2 already mounted or /backup1 busy
> >
> > Is that a known problem with Xen in general?
> >
>
> Any help?
>
> I have googled around and it appears to be something related disk
> volume management, like LVM or raid or some other such thing. EVMS
> appears to be it. I will try disabling it to see.
>
I was able to fix the problem by disabling the dm_mod.ko in modules.dep.
Is there any reason why it should have caused the disks to fail to mount?

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