Hello, after upgradeing my whole cluster of 8 Hosts to ovirt 4.2.5 and setting compability of cluster and datacenter to 4.2 my existing virtual machines start using FUSE mounted disk-images on my gluster volumes. One bad and slow thing I thought that I got rid of starting with 4.1.x finally ! Disk definition from virsh -r dumpxml VM of old running vm (not restarted yet !):     <disk type='network' device='disk' snapshot='no'>       <driver name='qemu' type='raw' cache='none' error_policy='stop' io='threads'/>       <source protocol='gluster' name='gv0/5d99af76-33b5-47d8-99da-1f32413c7bb0/images/d5f3657f-ac7a-4d89-8a83-e7c47ee0ef05/f99c6cb4-1791-4a55-a0b9-2ff0ec1a4dd7'>         <host name='glusterfs.mylocal.domain' port='24007'/>       </source>       <backingStore/>       <target dev='sda' bus='scsi'/>       <serial>d5f3657f-ac7a-4d89-8a83-e7c47ee0ef05</serial>       <boot order='1'/>       <alias name='scsi0-0-0-0'/>       <address type='drive' controller='0' bus='0' target='0' unit='0'/>     </disk> Disk definition from virsh -r dumpxml VM of new started running vm:     <disk type='file' device='disk' snapshot='no'>       <driver name='qemu' type='raw' cache='none' error_policy='stop' io='threads'/>       <source file='/rhev/data-center/mnt/glusterSD/glusterfs.mylocal.domain:_gv0/5d99af76-33b5-47d8-99da-1f32413c7bb0/images/1f0db0ef-a6af-4e3e-90e6-f681d071496b/1b3c3a       <backingStore/>       <target dev='sda' bus='scsi'/>       <serial>1f0db0ef-a6af-4e3e-90e6-f681d071496b</serial>       <boot order='1'/>       <alias name='ua-1f0db0ef-a6af-4e3e-90e6-f681d071496b'/>       <address type='drive' controller='0' bus='0' target='0' unit='0'/>     </disk> How do I get back my gfapi gluster-based Disks ? -- *Ralf Schenk* fon +49 (0) 24 05 / 40 83 70 fax +49 (0) 24 05 / 40 83 759 mail *rs(a)databay.de* <mailto:rs@databay.de>   *Databay AG* Jens-Otto-Krag-Straße 11 D-52146 Würselen *www.databay.de* <http://www.databay.de> Sitz/Amtsgericht Aachen • HRB:8437 • USt-IdNr.: DE 210844202 Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, Dipl.-Kfm. Philipp Hermanns Aufsichtsratsvorsitzender: Wilhelm Dohmen ------------------------------------------------------------------------