Is there a way to remove a LUN to shrink the size of a Storage Domain in RHEV?

Solution Verified - Updated -

Issue

  • I have used the wrong LUN to extend a storage domain. How can I shrink or reduce a Storage Domain in RHEV?
  • My storage admin has requested that I give back a LUN used for a storage domain in RHEV. How can I do that without losing my VM data?
  • Are there any considerations I should take into account when creating Storage Domains so I can be sure they can be shrunk in the future?

Environment

  • Red Hat Enterprise Virtualization (RHEV) 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6
  • Red Hat Virtualization (RHV) 4.0, 4.1, 4.2, 4.3

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