HP 3Par client fails to add attached volume

Solution Verified - Updated -

Environment

  • Red Hat OpenStack 6.0 (RHOS)
  • Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet with FCoE

Issue

  • When trying to attach a volume using the HP 3Par plugin, the following error message is displayed:

    2015-10-19 11:22:08.689 36361 TRACE oslo.messaging.rpc.dispatcher VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Unable to fetch connection information from backend: FibreChannelDriver validate_connector failed. No 'wwpns'. Make sure HBA state is Online.

Resolution

  • This issue was solved with this ERRATA

Root Cause

  • This was due to a bug regarding the discovery method of presented LUNs.

Diagnostic Steps

  • grep "Make sure HBA state is Online" /var/log/cinder/cinder-volume.log will return something similar to this

    2015-10-19 11:22:08.689 36361 TRACE oslo.messaging.rpc.dispatcher VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Unable to fetch connection information from backend: FibreChannelDriver validate_connector failed. No 'wwpns'. Make sure HBA state is Online.

This solution is part of Red Hat’s fast-track publication program, providing a huge library of solutions that Red Hat engineers have created while supporting our customers. To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.

Comments