In case of LVMiSCSI backend for cinder bus type seems to be VirtIO
<emulator>/usr/bin/qemu-kvm</emulator>
<disk type='block' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source dev='/dev/disk/by-path/ip-192.168.1.127:3260-iscsi-iqn.2010-10.org.openstack:volume-278049f3-efd3-4b3a-91f3-6281012dae91-lun-0'/>
<target dev='vda' bus='virtio'/>
<serial>278049f3-efd3-4b3a-91f3-6281012dae91</serial>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
Glance images was for F22,F21 where just uploaded via dashboard ( admin,public).
I would try follow https://access.redhat.com/documentati...
ubuntu@ubuntu-System:~/devstack$ glance image-update \
> --property hw_disk_bus=virtio \
> --property hw_cdrom_bus=ide \
> --property hw_vif_model=virtio \
> 7db7f821-6be1-4345-ac08-47a938c8f33a
+-------------------------+--------------------------------------+
| Property | Value |
+-------------------------+--------------------------------------+
| Property 'hw_cdrom_bus' | ide |
| Property 'hw_disk_bus' | virtio |
| Property 'hw_vif_model' | virtio |
| checksum | a1771ebe76c65ca622a1676d4e55b603 |
| container_format | bare |
| created_at | 2015-04-26T15:14:07.000000 |
| deleted | False |
| deleted_at | None |
| disk_format | qcow2 |
| id | 7db7f821-6be1-4345-ac08-47a938c8f33a |
| is_public | True |
| min_disk | 0 |
| min_ram | 0 |
| name | VF22 Beta 3 image |
| owner | 77d4d7ed5dcd4fc8b01f3d2edb788643 |
| protected | False |
| size | 221612032 |
| status | active |
| updated_at | 2015-05-03T14:07:57.000000 |
| virtual_size | None |
+-------------------------+--------------------------------------+
