oVirt hosts are VMs inside an ESX 5.1 infra. I think all is ok in terms of nested virtualization though CPU of ESX host is E7-4870 and cluster defined as "Intel Nehalem Family" selinux is in permissive mode [root@ovnode01 libvirt]# vdsClient -s localhost getVdsCapabilities HBAInventory = {'FC': [], 'iSCSI': [{'InitiatorName': 'iqn.1994-05.com.redhat:6344c23973df'}]} ISCSIInitiatorName = 'iqn.1994-05.com.redhat:6344c23973df' bondings = {'bond0': {'addr': '', 'cfg': {}, 'hwaddr': '8e:a1:3b:0c:83:47', 'ipv6addrs': [], 'mtu': '1500', 'netmask': '', 'slaves': []}} bridges = {'ovirtmgmt': {'addr': '192.168.33.41', 'cfg': {'BOOTPROTO': 'none', 'DEFROUTE': 'yes', 'DELAY': '0', 'DEVICE': 'ovirtmgmt', 'GATEWAY': '192.168.33.15', 'IPADDR': '192.168.33.41', 'NETMASK': '255.255.255.0', 'NM_CONTROLLED': 'no', 'ONBOOT': 'yes', 'STP': 'no', 'TYPE': 'Bridge'}, 'gateway': '192.168.33.15', 'ipv6addrs': ['fe80::250:56ff:fe9f:686b/64'], 'ipv6gateway': '::', 'mtu': '1500', 'netmask': '255.255.255.0', 'ports': ['eth0'], 'stp': 'off'}} clusterLevels = ['3.0', '3.1', '3.2', '3.3'] cpuCores = '4' cpuFlags = 'fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,dts,mmx,fxsr,sse,sse2,ss,syscall,nx,rdtscp,lm,constant_tsc,arch_perfmon,pebs,bts,nopl,xtopology,tsc_reliable,nonstop_tsc,aperfmperf,pni,monitor,vmx,ssse3,cx16,sse4_1,sse4_2,x2apic,popcnt,lahf_lm,ida,arat,epb,dtherm,tpr_shadow,vnmi,ept,vpid,model_Nehalem,model_Conroe,model_coreduo,model_core2duo,model_Penryn,model_n270' cpuModel = 'Intel(R) Xeon(R) CPU E7- 4870 @ 2.40GHz' cpuSockets = '4' cpuSpeed = '2394.000' cpuThreads = '4' emulatedMachines = ['pc', 'q35', 'isapc', 'pc-0.10', 'pc-0.11', 'pc-0.12', 'pc-0.13', 'pc-0.14', 'pc-0.15', 'pc-1.0', 'pc-1.1', 'pc-1.2', 'pc-1.3', 'none'] guestOverhead = '65' hooks = {} kvmEnabled = 'true' lastClient = '192.168.33.40' lastClientIface = 'ovirtmgmt' management_ip = '0.0.0.0' memSize = '16050' netConfigDirty = 'False' networks = {'ovirtmgmt': {'addr': '192.168.33.41', 'bridged': True, 'cfg': {'BOOTPROTO': 'none', 'DEFROUTE': 'yes', 'DELAY': '0', 'DEVICE': 'ovirtmgmt', 'GATEWAY': '192.168.33.15', 'IPADDR': '192.168.33.41', 'NETMASK': '255.255.255.0', 'NM_CONTROLLED': 'no', 'ONBOOT': 'yes', 'STP': 'no', 'TYPE': 'Bridge'}, 'gateway': '192.168.33.15', 'iface': 'ovirtmgmt', 'ipv6addrs': ['fe80::250:56ff:fe9f:686b/64'], 'ipv6gateway': '::', 'mtu': '1500', 'netmask': '255.255.255.0', 'ports': ['eth0'], 'stp': 'off'}} nics = {'ens224': {'addr': '192.168.230.31', 'cfg': {'BOOTPROTO': 'static', 'DEVICE': 'ens224', 'HWADDR': '00:50:56:9F:3C:B0', 'IPADDR': '192.168.230.31', 'NETMASK': '255.255.255.0', 'NM_CONTROLLED': 'no', 'ONBOOT': 'yes', 'TYPE': 'Ethernet'}, 'hwaddr': '00:50:56:9f:3c:b0', 'ipv6addrs': ['fe80::250:56ff:fe9f:3cb0/64'], 'mtu': '1500', 'netmask': '255.255.255.0', 'speed': 10000}, 'eth0': {'addr': '', 'cfg': {'BRIDGE': 'ovirtmgmt', 'DEVICE': 'eth0', 'HWADDR': '00:50:56:9f:68:6b', 'MTU': '1500', 'NM_CONTROLLED': 'no', 'ONBOOT': 'yes', 'STP': 'no'}, 'hwaddr': '00:50:56:9f:68:6b', 'ipv6addrs': ['fe80::250:56ff:fe9f:686b/64'], 'mtu': '1500', 'netmask': '', 'speed': 10000}, 'p256p1': {'addr': '', 'cfg': {}, 'hwaddr': '00:50:56:9f:3b:86', 'ipv6addrs': [], 'mtu': '1500', 'netmask': '', 'speed': 0}} operatingSystem = {'name': 'Fedora', 'release': '3', 'version': '19'} packages2 = {'glusterfs': {'buildtime': 1375786850, 'release': '8.fc19', 'version': '3.4.0'}, 'glusterfs-fuse': {'buildtime': 1375786850, 'release': '8.fc19', 'version': '3.4.0'}, 'glusterfs-rdma': {'buildtime': 1375786850, 'release': '8.fc19', 'version': '3.4.0'}, 'glusterfs-server': {'buildtime': 1375786850, 'release': '8.fc19', 'version': '3.4.0'}, 'kernel': {'buildtime': 1379163891.0, 'release': '200.fc19.x86_64', 'version': '3.11.1'}, 'libvirt': {'buildtime': 1375400611, 'release': '1.fc19', 'version': '1.0.5.5'}, 'mom': {'buildtime': 1375215820, 'release': '3.fc19', 'version': '0.3.2'}, 'qemu-img': {'buildtime': 1378374475, 'release': '9.fc19', 'version': '1.4.2'}, 'qemu-kvm': {'buildtime': 1378374475, 'release': '9.fc19', 'version': '1.4.2'}, 'spice-server': {'buildtime': 1375454091, 'release': '1.fc19', 'version': '0.12.4'}, 'vdsm': {'buildtime': 1378818342, 'release': '2.fc19', 'version': '4.12.1'}} reservedMem = '321' software_revision = '2' software_version = '4.12' supportedENGINEs = ['3.0', '3.1', '3.2', '3.3'] supportedProtocols = ['2.2', '2.3'] uuid = '421F7170-C703-34E3-9628-4588D841F8B1' version_name = 'Snow Man' vlans = {} vmTypes = ['kvm'] qemu log for the VM: 2013-09-25 05:42:29.130+0000: starting up LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin QEMU_AUDIO_DRV=spice /usr/bin/qemu-kvm -name C6 -S -machine pc-1.0,accel=kvm,usb=off -cpu Nehalem -m 2048 -smp 1,sockets=1,cores=1,threads=1 -uuid 409c5dbe-5e70-40de-bf73-46ef484ea2d7 -smbios type=1,manufacturer=oVirt,product=oVirt Node,version=19-3,serial=421F7170-C703-34E3-9628-4588D841F8B1,uuid=409c5dbe-5e70-40de-bf73-46ef484ea2d7 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/C6.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=2013-09-25T05:42:28,driftfix=slew -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive if=none,id=drive-ide0-1-0,readonly=on,format=raw,serial= -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -drive file=gluster://ovnode01/gv01/20042e7b-0929-48ca-ad40-2a2aa22f0689/images/d004045e-620b-4d90-8a7f-6c6d26393a08/dff09892-bc60-4de5-85c0-2a1fa215a161,if=none,id=drive-virtio-disk0,format=raw,serial=d004045e-620b-4d90-8a7f-6c6d26393a08,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,fd=27,id=hostnet0,vhost=on,vhostfd=28 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:1a:4a:bb:9f:10,bus=pci.0,addr=0x3 -chardev socket,id=charchannel0,path=/var/lib/libvirt/qemu/channels/409c5dbe-5e70-40de-bf73-46ef484ea2d7.com.redhat.rhevm.vdsm,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.rhevm.vdsm -chardev socket,id=charchannel1,path=/var/lib/libvirt/qemu/channels/409c5dbe-5e70-40de-bf73-46ef484ea2d7.org.qemu.guest_agent.0,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=org.qemu.guest_agent.0 -chardev spicevmc,id=charchannel2,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=3,chardev=charchannel2,id=channel2,name=com.redhat.spice.0 -spice tls-port=5900,addr=0,x509-dir=/etc/pki/vdsm/libvirt-spice,tls-channel=main,tls-channel=display,tls-channel=inputs,tls-channel=cursor,tls-channel=playback,tls-channel=record,tls-channel=smartcard,tls-channel=usbredir,seamless-migration=on -k en-us -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 qemu-system-x86_64: -drive file=gluster://ovnode01/gv01/20042e7b-0929-48ca-ad40-2a2aa22f0689/images/d004045e-620b-4d90-8a7f-6c6d26393a08/dff09892-bc60-4de5-85c0-2a1fa215a161,if=none,id=drive-virtio-disk0,format=raw,serial=d004045e-620b-4d90-8a7f-6c6d26393a08,cache=none,werror=stop,rerror=stop,aio=threads: Gluster connection failed for server=ovnode01 port=0 volume=gv01 image=20042e7b-0929-48ca-ad40-2a2aa22f0689/images/d004045e-620b-4d90-8a7f-6c6d26393a08/dff09892-bc60-4de5-85c0-2a1fa215a161 transport=tcp qemu-system-x86_64: -drive file=gluster://ovnode01/gv01/20042e7b-0929-48ca-ad40-2a2aa22f0689/images/d004045e-620b-4d90-8a7f-6c6d26393a08/dff09892-bc60-4de5-85c0-2a1fa215a161,if=none,id=drive-virtio-disk0,format=raw,serial=d004045e-620b-4d90-8a7f-6c6d26393a08,cache=none,werror=stop,rerror=stop,aio=threads: could not open disk image gluster://ovnode01/gv01/20042e7b-0929-48ca-ad40-2a2aa22f0689/images/d004045e-620b-4d90-8a7f-6c6d26393a08/dff09892-bc60-4de5-85c0-2a1fa215a161: No data available 2013-09-25 05:42:32.291+0000: shutting down