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devstack meaning of: n-cond, n-novnc and n-xvnc

asked 2014-05-25 08:30:55 -0500

snowch gravatar image

devstack has shortened names for a number of services, e.g.

  • g-api = glance api
  • g-reg = glance registry
  • n-api = nova api
  • n-crt = nova certificate
  • n-obj = nova object store
  • n-cpu = nova compute
  • n-net = nova network
  • n-sch = nova scheduler
  • n-cond = ?
  • n-novnc = ?
  • n-xvnc = ?
  • n-cauth = nova certificate authentication
  • c-sch = cinder scheduler,
  • c-api = cinder api
  • c-vol = cinder volume

Question: what are n-cond, n-novnc and n-xvnc?

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answered 2014-05-25 08:50:00 -0500

larsks gravatar image
  • n-cond is the nova-conductor service, which acts as an intermediary between the compute service and the database.
  • n-novnc is the novnc proxy, which is instrumental in providing console access through the web interface.
  • n-xvnc is the nova xvpvncproxy service, which is similar to the novnc service but uses a java client for console access rather than the browser.
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is it necessary to include n-novnc while installing devstack? because my devstack installation stops and says

echo 'Error: Service n-novnc is not running'

Error: Service n-novnc is not running

darren-wang gravatar imagedarren-wang ( 2014-08-25 03:16:46 -0500 )edit

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Asked: 2014-05-25 08:30:55 -0500

Seen: 1,457 times

Last updated: May 25 '14