Open Stack

Hi Leandro,

This is most likely that your compute VM has been created as an HVM guest, rather than a PV guest.  This will typically happen if you use the "Other Install Media" template in XenServer rather than the template for the specific Linux version.

The error reported is that we cannot dynamically plug a disk into a VM - and this is most likely to be the compute VM.  Installing the PV tools into the VM will get you passed this particular error however you are then highly likely to hit https://bugs.launchpad.net/nova/+bug/1318544

The best fix is to reinstall the compute node as a PV guest.
Another approach could be to convert the compute node from HVM to PV.  Note that if you're using recent guests that use grub2 as the bootloader you must be using XenServer 6.5 as earlier versions didn't parse the grub2 config correctly when submenus were involved.  http://wiki.univention.com/index.php?title=Citrix_Xen_Server#Convert_the_UCS_system_to_paravirtualization

It's also worth noting that the image you upload probably needs to be in a slightly different format: http://blogs.citrix.com/2012/10/17/upload-custom-images-to-a-xenserver-powered-openstack-cloud/ You probably just want to extract the XVA and create a tgz as with the instructions on the blog page.

Thanks,

Bob

________________________________
From: Leandro Mendes [theflockers at gmail.com]
Sent: 20 July 2015 22:40
To: openstack at lists.openstack.org
Subject: [Openstack] VM_MISSING_PV_DRIVERS

Hi guys,

Trying to register a CentOS7 VHD through glance, but when deploying the VM, i always get the follow error:

Failure: ['VM_MISSING_PV_DRIVERS', 'OpaqueRef:9391569a-f5e1-1a34-1f90-fb7fb0983277']

I've created a VHD using a XVA template exported through XenCenter.

The command used to register the image was:

 glance image-create --name "CentOS 7 (x86_64)" --file <my-centos7-image-vhd.tar.gz> --disk-format vhd --container-format bare --visibility public --progress

Do you guys have any clue about what's missing?

Thanks

Leandro
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