Hi, while deploying Hosted Engine in hyper-converged configuration, installation fails with following error: [ ERROR ] Failed to execute stage 'Environment customization': <Fault 1: "<type 'exceptions.TypeError'>:cannot marshal None unless allow_none is enabled"> I followed Ramesh post: http://blogs-ramesh.blogspot.it/2016/01/ovirt-and-gluster-hyperconvergence.h... My setup includes 3 hosts with: - ovirt 3.6.3 - glusterfs 3.7.8 - vdsm 4.17.23.2 - replica 3 gluster volume - no firewall - selinux enforcing - 1 network for management, 1 network for gluster I've uploaded logs on pastebin: - hosted-engine --deploy http://pastebin.com/aZwwdt51 - ovirt-hosted-engine-setup.log http://pastebin.com/114zfbAB - rhev-data-center-mnt-glusterSD-h4gfs.newvirt:_engine.log http://pastebin.com/GL4yyT95 - vdsm.log http://pastebin.com/WjSm0cHQ Thank you very much for your help. -- Stefano Stagnaro Prisma Telecom Testing S.r.l. Via Petrocchi, 4 20127 Milano – Italy Tel. 02 26113507 int 339 e-mail: stefanos@prismatelecomtesting.com skype: stefano.stagnaro