After upgrading RHV-H 4.0, ovirt-imageio-daemon failed to start

Solution Verified - Updated -


  • After upgrading RHV-H hypervisor to version 4.0 (20170201), service ovirt-imageio-daemon fails to start.
  • In the Events tab in RHV Manager the following message is reported:

    VDSM HOST command failed: Cannot communicate with image daemon: 'reason=Error communicating with ovirt-imageio-daemon: [Errno 2] No such file or directory'
  • Adding a new host in the RHV environment fails with the following error messages in the logs:

    # less /var/log/ovirt-engine/host-deploy/ovirt-host-deploy.log
    DEBUG plugin.execute:926 execute-output: ('/bin/systemctl', 'start', 'ovirt-imageio-daemon.service') stderr:
    Job for ovirt-imageio-daemon.service failed because the control process exited with error code. See "systemctl status ovirt-imageio-daemon.service" and "journalctl -xe" for details.
    DEBUG otopi.context context._executeMethod:142 method exception
    Traceback (most recent call last):
      File "/tmp/ovirt-8uSsQnoVJ1/pythonlib/otopi/", line 132, in _executeMethod method['method']()
      File "/tmp/ovirt-8uSsQnoVJ1/otopi-plugins/ovirt-host-deploy/vdsm/", line 180, in _start'ovirt-imageio-daemon', True)
      File "/tmp/ovirt-8uSsQnoVJ1/otopi-plugins/otopi/services/", line 141, in state service=name,
    RuntimeError: Failed to start service 'ovirt-imageio-daemon'


  • Red Hat Virtualization Hypervisor (RHVH) 4.0
  • ovirt-imageio-daemon-0.5.0-0

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