Admin sockets not getting cleared up on Ceph client

Solution In Progress - Updated -

Issue

  • Admin sockets (/var/run/ceph/rbd-client-.asok) are not cleared up while using Nova with Ceph.

  • The following errors get logged while trying to start up instances:

Error: Failed to launch instance "QA-authoring-api": Please try again later [Error: [Errno 24] Too many open files]
  • An 'lsof' on the node shows more than 10K open instances of the admin socket /var/run/ceph/rbd-client-.asok

Environment

  • Inktank Ceph Enterprise 1.2.

  • Firefly 0.80.7

  • Red Hat Ceph Storage 1.2.3

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