[Users] Gluster command [gluster peer status IP] failed on server "Name"

Hello! Fedora 19 fo engine and nodes. Ovirt-engine just upgraded from 3.3.3 to 3.4, running on an separate Vm (ESXi). 3 nodes acting also as gluster nodes (replicated) also on 3.3.3. After engine upgrade, one one of the host I ran yum update http://resources.ovirt.org/pub/yum-repo/ovirt-release-3.4.noarch.rpm yum clean all yum update snip " /var/log/yum.log" Mar 27 17:24:47 Updated: ovirt-release-11.1.0-1.noarch Mar 27 17:26:25 Installed: vdsm-python-zombiereaper-4.14.6-0.fc19.noarch Mar 27 17:26:25 Updated: vdsm-python-4.14.6-0.fc19.x86_64 Mar 27 17:26:25 Updated: vdsm-xmlrpc-4.14.6-0.fc19.noarch Mar 27 17:26:46 Updated: vdsm-4.14.6-0.fc19.x86_64 Mar 27 17:26:46 Updated: vdsm-api-4.14.6-0.fc19.noarch Mar 27 17:26:46 Updated: file-libs-5.11-13.fc19.x86_64 Mar 27 17:26:46 Updated: file-5.11-13.fc19.x86_64 Mar 27 17:26:47 Updated: python-magic-5.11-13.fc19.noarch Mar 27 17:26:47 Updated: vdsm-gluster-4.14.6-0.fc19.noarch Mar 27 17:26:47 Updated: vdsm-jsonrpc-4.14.6-0.fc19.noarch Mar 27 17:26:47 Updated: vdsm-cli-4.14.6-0.fc19.noarch Rebooting the node, I can see on "Events" the 'Subj' message! Any ideeas, hints? Thanks!