<div dir="auto">The instance boots from a volume.<div dir="auto">Fails attacching a second volume.</div><div dir="auto">A guy suggested to use hw_disk_bus=virtio and it works.</div><div dir="auto">Regards</div></div><div class="gmail_extra"><br><div class="gmail_quote">Il 27/Lug/2017 05:33 PM, "Chris Friesen" <<a href="mailto:chris.friesen@windriver.com" target="_blank">chris.friesen@windriver.com</a>> ha scritto:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 07/27/2017 08:44 AM, Ignazio Cassano wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello All,<br>
instance created from images with the following metadata:<br>
<br>
hw_disk_bus=scsi<br>
hw_scsi_model=virtio-scsi<br>
<br>
do not allow to attach new volume.<br>
<br>
Deletting the above metadata in the image and creating a new instance, it allows<br>
new volume attachment.<br>
<br>
I got the same behaviour on all openstack releases from liberty to ocata.<br>
Regards<br>
Ignazio<br>
</blockquote>
<br>
How does it fail?  Does it behave differently if you try to boot an instance from such a volume?  (As opposed to attaching a volume to a running instance.)<br>
<br>
Chris<br>
<br>
<br>
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</blockquote></div></div>