==========
+SRV-IO
+#(not success!)
+
+
+echo "options igb max_vfs=7" >>/etc/modprobe.d/igb-virtualization.conf
+#(nutno i v BIOSu)
+#GRUB_CMDLINE_LINUX += intel_iommu=on
+#GRUB_CMDLINE_LINUX += amd_iommu=on
+vim /etc/default/grub
+grub-mkconfig > /tmp/grub.conf
+vimdiff /boot/grub/grub.cfg /tmp/grub.conf
+mv /tmp/grub.conf /boot/grub/grub.cfg
+reboot
+lspci | grep InfiniBand
+virsh nodedev-list
+virsh nodedev-dumpxml pci_<XXXX_XX_XX_X>
+cat > /tmp/new-interface.xml <<EOF
+ <interface type='hostdev' managed='yes'>
+ <source>
+ <address type='pci' domain='<X>' bus='<XX>' slot='<XX>' function='0'/>
+ </source>
+ </interface>
+EOF
+virsh attach-device MY_GUEST /tmp/new-interface.xml --config
+
+==========
+
# KVM
parallel --jobs 6 "rsync -av . root@hador{}:~/KVM/" ::: `seq 20 24`
parallel --jobs 6 "ssh -K root@hador{} 'cd ~/KVM; ./kvm.sh hador{}-1.sh'" ::: `seq 20 24`