How to perform online virtual Disk re-size in RHEV ?

Solution Verified - Updated -

Issue

  • As per RHEV-M 3.3 release note, It is now possible to perform a resize of a virtual guest disk without taking downtime. What steps do I need to follow in order to perform online vDisk resize and what are the limitations of this new feature.
  • Does RHEV support shrinking/reducing size of virtual machine disks ?

Environment

  • Red Hat Enterpise Virtualization(RHEV) 3

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