[Openstack] attachement issue

Yannick Foeillet yannick.foeillet at alterway.fr
Fri Sep 13 16:03:50 UTC 2013


> I've got a question about volume attachement :
> * I can attach a volume to an instance when i launch it (in the creation window)
> * After the VMs has been launched i can't attach any volume
> I got this error in nova-compute.log  :
> 	libvirtError: unsupported configuration: disk bus 'ide' cannot be hotplugged
> How can i defined virtio-scsi by default instead of virtio or ide ?
> or 
> How can i attach a second volume to my instance ?
> Thanks in advance.

It sounds like a KVM/libvirt bus error.
I understood that default is virtio as i can see vm xml file (libvirt), so don't understand why for a second storage the bus change from virtio to ide.

Anymore can help me ?

Thanks in advance.

Yannick Foeillet

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