[Bug 673445] [NEW] USE_VIRTIO_DISK config option ignored for EBS volumes

Kiall 673445 at bugs.launchpad.net
Wed Nov 10 11:07:11 GMT 2010


Public bug reported:

Ubuntu 10.10 / eucalyptus-2.0+bzr1241-0ubuntu4 / amd64

After setting USE_VIRTIO_DISK="1" (the default actually..) in
/etc/eucalyptus/eucalyptus.conf and performing a clean restart virtio is
not used while attaching an EBS volume.

I discovered this due to a related bug preventing non-virtio volumes
from attaching correcting until after the instance reboots (I'll file
this one as soon as I find out if its in kvm or ecua!)

I made a *very* dirty hack to node/handlers_kvm.c on L452 / L459 to
ensure bus='virtio' was added to the XML .. suddenly it works :)
providing an /dev/vda (I'd prefer the device name I specified .. but one
step at a time!)

** Affects: eucalyptus (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: ebs uec

-- 
USE_VIRTIO_DISK config option ignored for EBS volumes
https://bugs.launchpad.net/bugs/673445
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