How do I attach a volume to multiple instances in Red Hat OpenStack Platform?

Solution In Progress - Updated -

Environment

  • Red Hat OpenStack Platform 7
  • Red Hat OpenStack Platform 8

Issue

The Launchpad Page states that cinder already has support for sharing a volume between multiple Volumes.
How do I configure a volume to be shared between multiple instances?

Resolution

While cinder already has the needed bits, nova still lacks this functionality, thus it is not yet ready to be used in Red Hat OpenStack Platform. The upstream development can be followed in this Blueprint.

We are actively tracking the development in Red Hat Bug 1033180.

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