Re: [Xen-users] how to create /dev/xvda

James Corteciano
Tue, 09 Sep 2008 16:01:13 -0000

Hi Emre,

Sorry for the late response.

How could I modprobe xen inside the DomU? I knew to do it in dom0 only.

Thanks.
James

On Wed, Sep 3, 2008 at 7:33 PM, Emre Erenoglu <erenoglu@gmail.com> wrote:

> Hi,
>
> To use xvd* devices, you need to modprobe xen related paravirtual modules
> (unmodified_drivers) inside your DomU. Then your xvda devices will appear.
>
> In my distribution (Pardus 2008), these drivers are called:xenblk xenfb
> gntdev xennet xenkbd
>
> To use them, you modprobe them when the system is up, or if you want to use
> them as your root disk, then you need to create an initramfs with these
> modules inside.
>
> Best Regards,
>
> Emre
>
>
> On Wed, Sep 3, 2008 at 12:37 PM, Andy Burns <xen.lists@burns.me.uk>
wrote:
>
>> 2008/9/3 James Corteciano <linux@gascortrading.com>:
>>
>> > kernel = ''/usr/local/src/xen/vmlinuz''
>> > ramdisk = ''/usr/local/src/xen/initrd.img''
>> > disk = [ ''phy:/dev/server/cbox,xvda,w'' ]
>> >
>> > I had checked the /dev/xvda and no such file or directory found.
I''ve
>> google
>> > around and found out using the command "mknod /dev/xvda b 220
0" so
>> after
>> > that I try to give run the domU and everything went fine.
>>
>> You mean you created /dev/xvda on the dom0? If so, you don''t
need to
>> do that, on the other hand it needs to exist inside the domU,
>> presumably it''s a hard-coded device in /dev from the initrd
rather
>> than udev created (it''d be to late), I''ve never had
to check.
>>
>> > I am following this howto link
>> > <
>>
http://www.hostinggeek.com/2008/04/installing-centos-5-as-domu-with-debian.html
>> >.
>>
>> I wonder why it mixes its xvd* and sd* devices?
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>>
>
>
>
> --
> Emre
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



--
Linux Registered User #380364