yahoo-eng-team team mailing list archive

[LIU Yulong <2039554@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Recently we meet a strange issue between neutron-server and neutron-
dhcp-agents. In a long run deployment, we just restart all neutron-
servers, then we failed to boot VM. Yes, it is vif-plug-timeout!!! We
noticed that the DHCP provisioningblock was not deleted.

Our operator gives the recover steps:
1. stop the network's scheduled dhcp-agents
2. delete the related Queues in rabbitMQ of these dhcp-agents
3. start dhcp-agents.

Then everythin will works fine.

So, do you have any idea about such issue?

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2039554

Title:
  dhcp-agent can not interact with neutron-server after neutron-server
  restarted

Status in neutron:
  New

Bug description:
  Recently we meet a strange issue between neutron-server and neutron-
  dhcp-agents. In a long run deployment, we just restart all neutron-
  servers, then we failed to boot VM. Yes, it is vif-plug-timeout!!! We
  noticed that the DHCP provisioningblock was not deleted.

  Our operator gives the recover steps:
  1. stop the network's scheduled dhcp-agents
  2. delete the related Queues in rabbitMQ of these dhcp-agents
  3. start dhcp-agents.

  Then everythin will works fine.

  So, do you have any idea about such issue?

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