[Openstack-operators] cannot attach new volume to an instance

Ignazio Cassano ignaziocassano at gmail.com
Thu Jul 27 18:30:25 UTC 2017


The instance boots from a volume.
Fails attacching a second volume.
A guy suggested to use hw_disk_bus=virtio and it works.
Regards

Il 27/Lug/2017 05:33 PM, "Chris Friesen" <chris.friesen at windriver.com> ha
scritto:

> On 07/27/2017 08:44 AM, Ignazio Cassano wrote:
>
>> Hello All,
>> instance created from images with the following metadata:
>>
>> hw_disk_bus=scsi
>> hw_scsi_model=virtio-scsi
>>
>> do not allow to attach new volume.
>>
>> Deletting the above metadata in the image and creating a new instance, it
>> allows
>> new volume attachment.
>>
>> I got the same behaviour on all openstack releases from liberty to ocata.
>> Regards
>> Ignazio
>>
>
> 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.)
>
> Chris
>
>
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