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Xen VM rescue mode

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Operating Systems Linux Xen VM rescue mode
# 1  
Old 10-02-2008
Xen VM rescue mode
Hi all,

I am running xen virtual machine on centos 5 and xen gust o.s is centos.

I cannot boot my xen vm machine it saying cannot find /bin/sh to execute.

I want to go to rescue mode of my xen vm machine.

I know how to do on actual physical machine but how i can enter in rescue mode of xen virtual machine.

Please can someone help me?

thanks
Lalit
# 2  
Old 10-02-2008
Re: Xen VM rescue mode
You can go into single user mode by passing 1 or single on the guest kernel command line.

Try adding the following config option to your guest config file

extra="single"

OR

extra="1"

I would recommend the xen-users list for the type of questions
(Xen: Xen-users Info Page)
Also you could try searching at xen.markmail.org.

Cheers,
Todd
# 3  
Old 10-06-2008
Hi Deshantm,

I did try to boot into single user mode but it doesn't boot. It giving me error saying /bin/sh cannot excute. So i might need to boot into rescue mode so i can fix /bin/sh.

Thanks for responding my thread.

Please help.

Regards,
Lalit
# 4  
Old 10-06-2008
Re: Xen VM rescue mode
Another alternative would be to mount the root partition.

Use kpartx -av on the disk image, and then you may then need to use lvscan (if the centos guest is install in an LVM partiton), otherwise you can mount the /dev/mapper/loop* partition directly.
# 5  
Old 10-06-2008
Hi deshantm,

Your first post was really helpful. I got it.

Thanks for the help.
so much.


Regards,
Lalit
# 6  
Old 03-16-2009
Hi

This is how I do it: link

(I hope its ok to post such a link)

cheers
# 7  
Old 03-16-2009
Quote:
Originally Posted by madmadmod
Hi
(I hope its ok to post such a link)
cheers
Well since the previous one on this thread passed, I hardly see a reason to refuse yours (nice.. keep up the good work!).

All the best
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