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How to enable multipathing with SolidFire volumes using OpenStack Nova

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Applies to

  • OpenStack multipathing settings with in Nova for Ubuntu systems running versions 16 and 18. 
  • Applies to moving from non-multipathing to multipathing with in OpenStack Nova.

Description

Best Practices on enabling multi-pathing with SolidFire volumes using OpenStack NOVA Version 

Problem Signature:
The client VM hangs when attempting to mount a ElementOS/SolidFire volume with incorrect configuration.
This is a known issue with Ubuntu-16 and 18 and is fixed in version 20. The issue occurs because the IQN of the SolidFire volume becomes too long. 

Current Bug: Multipathd hangs with long iscsi target names in Ubuntu 18.04 
Nova database field connection_info has a dictionary which contains the field 'target_portal' (non-multipath). There are other fields as well in that dictionary.

 

 

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