Openstack Nova Enable TRIM Instances

Solution Verified - Updated -

Issue

  • How do I enable TRIM (Discard) in a OpenStack KVM instance?
  • Mounting a file system with the option discard and running fstrim results with the error:
    fstrim: /: FITRIM ioctl failed: Operation not supported.

Environment

Red Hat Openstack Platform 13
Red Hat Openstack Platform 16

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