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

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