Hi All, I am trying to compile ovirt engine after applying sharad's glusterfs domain support patches @ http://gerrit.ovirt.org/#/q/project:ovirt-engine+branch:master+topic:gluster... After compiling, deploying the engine ( by following the steps in wiki.ovirt.org/Building_Ovirt_Engine ) I connect to the weadmin GUI, add a VDSM host ( this is my own vdsm host with VDSM glsuter domain support ) and the host is "Up" state. Then I select New SD->None in DC -> select my vdsm host->provide the args (remote path = volfileserver:volume, vfstype=glusterfs, mount => left blank) and click on OK I see NPE in the engine side during addStorageServer cmd ( IIUC ) and then engine tries to send disconnectStorageServer, which reaches my VDSM host and it throws a excp, since the domain is not mounted at all. I have captured the logs on the engien and vdsm side and attached here. I am looking for some help on why the NPE is being seen on the engien side during adding a new SD ? thanx, deepak