[libvirt-users] Libvirt fails on network disk with ISCSI protocol

[Fred Rolland]

Thanks, it was the issue.
I guess the documentation should be updated.

Thank you for your help !

On Wed, Aug 2, 2017 at 7:06 PM, Ján Tomko <jtomko at redhat.com> wrote:

> On Wed, Aug 02, 2017 at 05:47:31PM +0300, Fred Rolland wrote:
>
>> Hi,
>>
>> I am working on oVirt, and I am trying to run a VM with a network disk
>> with
>> ISCSI protocol ( the storage is on a Cinder server).
>>
>> Here is the disk XML I use:
>>
>>        <disk device="disk" snapshot="no" type="network">
>>            <address bus="0" controller="0" target="0" type="drive"
>> unit="0" />
>>            <source
>> name="iqn.2010-10.org.openstack:volume-37fea687-040c-4a88-
>> 844c-117d1a90e9b2"
>> protocol="iscsi">
>>                <host name="10.35.0.20" port="3260" />
>>            </source>
>>            <target bus="scsi" dev="sda" />
>>            <boot order="1" />
>>            <driver cache="none" error_policy="stop" io="threads"
>> name="qemu" type="raw" />
>>        </disk>
>>
>> I get the following error:
>>
>> libvirtError: internal error: process exited while connecting to monitor:
>> 2017-08-02T14:38:58.378430Z qemu-kvm: -drive file=iscsi://
>> 10.35.0.20:3260/iqn.2010-10.org.openstack%3Avolume-37fea687-
>> 040c-4a88-844c-117d1a90e9b2,format=raw,if=none,id=drive-
>> scsi0-0-0-0,cache=none,werror=stop,rerror=stop,aio=threads:
>> Failed to parse URL : iscsi://
>> 10.35.0.20:3260/iqn.2010-10.org.openstack%3Avolume-37fea687-
>> 040c-4a88-844c-117d1a90e9b2
>>
>> It seems that the ':' character got changed on the way to %3A.
>>
>> Any suggestions on the root cause of this issue?
>>
>>
> The name seems to be missing the LUN. Even though our documentation
> states:
>  If not specified, the default LUN is zero.
> http://libvirt.org/formatdomain.html#elementsDisks
>
> Maybe something changed in QEMU or libiscsi since that document was
> written?
>
> Jan
>
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