Re: [Xen-users] /dev/loop on Debian Sid

Morten Christensen
Tue, 23 May 2006 19:55:17 -0000

Steve Kemp skrev den 23-05-2006 18:06:
> On Tue, May 23, 2006 at 06:02:23PM +0200, Morten Christensen wrote:
>
>> I have Xen 3.0.2 running on Debian Unstable with a straightforward
>> setup, mainly based on this howto
>> http://www.debian-administration.org/articles/396.
>>
>
>   :)
>
>
>> Google have pointed me to this solution:
>>
http://lists.xensource.com/archives/html/xen-users/2006-01/msg01302.html
>>
>> That is, on the dom0-console I enter
>> mknod /dev/loop8 b 7 8
>> losetup /dev/loop8
>>
>> to be able to start my domU''s.
>>
>> How can I get this done by the system itself (something in the
>> xend-init-file might be a workaround) ?
>>
>
>   You shouldn''t need to.
>
>   The mknod will persist assuming you''re running a static /dev,
and
>  if you''re using a dynamic one you should have the correct devices
>  created when you load the loop module.
>
>   One think you should do is add the following to /etc/modprobe.d/loop
>
> options loop max_loop=255
>
>   This will allow you to have a lot of devices when loading the loop
>  module, rather than the default of 8.
>
>   See here for a quick writeup:
>
>         http://www.steve.org.uk/Software/xen-tools/loopback.html
>
> Steve
>
Thank you for your help and work. I have followed both steps in the
writeup. Unfortunately the loop-files in /dev does not survive a reboot.

Now I have put the mknod-line from your writeup in the start of
/etc/init.d/xend and then it works.


--
Morten Christensen