Manila shares with Red Hat OpenStack 17.1 can be abruptly disconnected due to export information loss

Solution Verified - Updated -

Issue

Bug #2255324 was identified in Red Hat OpenStack 17.1 deployments where clients can lose access to mounted CephFS-via-NFS OpenStack Shared File Systems (Manila shares).

Environment

  • Deployments with Red Hat OpenStack Platform versions 17.1 GA, 17.1.1 and 17.1.2 that enable the OpenStack Shared File System service (Manila) using CephFS-via-NFS backend storage. This bug also manifests during upgrades from Red Hat OpenStack Platform version 16.2
  • Red Hat OpenStack Platform 16.2
  • Red Hat OpenStack Platform 17.1

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