Re: [Xen-users] Volume group "VolGroup00" not found

[Abdul Qadeer <qadeer.qadeer@xxxxxxxxx>]

On Wed, Feb 11, 2009 at 11:43 PM, Matt Vliet <mvliet@xxxxxxx> wrote:

Abdul Qadeer wrote:

Hi,

I am compiling Xen from source on FC9.  On booting the
Xen dom0 kernel it gives the following error:

Volume group "VolGroup00" not found

and ultimately the error that switchroot: mount failed: No such file or directory

So my question is that why it fails to detect logical volumes?

Your initrd is probably missing some drivers.
Something along this should fix your problem:

# depmod 2.6.18.8-xen
# mkinitrd -v -f --with=dm-mod --with=dm-mirror --with=dm-snapshot --with=dm-zero /boot/initrd-2.6.18.8-xen.img 2.6.18.8-xen

you may also need to load specify some sata drivers for your system.

If that doesn't work, then do an 'lsmod' on your system(non-xen kernel) and add any driver listed there that seems related to storage(scsi, sata, ata, etc..) to the initrd as well.
 

I did that.  But a few of the drivers (e.g. ata_general) are absent in Xen based kernel so mkinitrd fails to include it (this driver is otherwise present in my FC9 system).  So now the question is how do I include this ata_general in xen kernel?

Thanks,
Abdul Qadeer

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