Compute Node


Follow the OpenStack documentation’s Install and configure a compute node instructions, but note the following additions.

  1. Configure libvirt

    Edit the /etc/libvirt/qemu.conf file to contain the following:

    user = "root"
    group = "root"
    cgroup_device_acl = [
        "/dev/null", "/dev/full", "/dev/zero",
        "/dev/random", "/dev/urandom",
        "/dev/ptmx", "/dev/kvm", "/dev/kqemu",
        "/dev/rtc","/dev/hpet", "/dev/vfio/vfio",
  2. Restart the libvirt service

    # systemctl restart libvirtd.service
  3. Install nova-rootwrap network filters

    # yum install openstack-nova-network
    # systemctl disable openstack-nova-network.service
  4. Restart the Compute service

    # systemctl restart openstack-nova-compute.service
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