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[Nikolas Hermanns <nikolas.hermanns@xxxxxxxxxxxx>]

Public bug reported:

Hey,

I am seeing a problem when attaching multiple volumes to a host.
My setup:
Between the cinder client and cinder-api process there is a proxy. If the request for detachment does not return any value for more than a minute the proxy will time out the connection.
What I am missing is the difference between a dead process and a process which is working, especially if the work can need longer then a special time. Is there a possibility to have more communication/information between the cinder-api and the cinder client, such as:
Request to attach	->
Still attaching		<- (every 10 seconds)
Attached		        <-

BR Nikolas
PS: Can you tell me which entity in the cinder api is exactly receiving the http request? I have found the entity where cinder client starts the http request.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1333742

Title:
  Timeout while attaching cinder volumes in proxy configuration

Status in OpenStack Compute (Nova):
  New

Bug description:
  Hey,

  I am seeing a problem when attaching multiple volumes to a host.
  My setup:
  Between the cinder client and cinder-api process there is a proxy. If the request for detachment does not return any value for more than a minute the proxy will time out the connection.
  What I am missing is the difference between a dead process and a process which is working, especially if the work can need longer then a special time. Is there a possibility to have more communication/information between the cinder-api and the cinder client, such as:
  Request to attach	->
  Still attaching		<- (every 10 seconds)
  Attached		        <-

  BR Nikolas
  PS: Can you tell me which entity in the cinder api is exactly receiving the http request? I have found the entity where cinder client starts the http request.

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