Cinder fails to create RBD Volumes after update

Solution Unverified - Updated -


  • After updating these Ceph packages from version 1:0.80.8-5.el6cp to 1:
- ceph-common
- librados2
- librbd1
- python-rados
- python-rbd
  • Cinder can no longer create Volumes and gives a traceback in volumes.log with this error message:
OSError: /usr/lib64/ undefined symbol: _ZNK14SimpleThrottle13pending_error
  • Yum downgrade/rollback resolves this issue


  • Red Hat OpenStack Platform 5.0 on Red Hat Enterprise Linux 6

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