Why live snapshot of instance do not trigger "fsfreeze" inside guest OS ?

Solution Verified - Updated -

Issue

  • I am trying to create an instance snapshot of a RHEL 7.2 guest which was created by an image with the hw_qemu_guest_agent=yes key set. My intent is to freeze and thaw the filesystem prior to and after the snapshot operation. However, I'm not seeing any sign of that in the guest OS logs.
  • Why instance connectivity is lost during taking snapshot of instance ?

Environment

  • Red Hat Open Stack

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