HP-UX vPars and Integrity VM V6.3 Release Notes (762790-001, July 2014) (Edition: 1.6)

Table Of Contents
that the Integrity VM guest was booted on and older than the current VSP, provided the Integrity
VM guest has not been rebooted since the first migration.
For example, an Integrity VM guest booted on a VSP with HP-UX vPars and Integrity VM
V6.1.5 may be forward migrated online to a VSP with V6.3 and then fallback migrated online
to a VSP with V6.2 (and then again to V6.1.5 or even directly to V6.1.5) provided the Integrity
VM guest has not been rebooted since the first migration from V6.1.5. See Figure 3 (page
39).
Figure 3 Fallback migration
Backward migration
Migration of an inactive vPar or Integrity VM from a VSP with one version of HP-UX
virtualization software (HP Integrity VM or HP-UX vPars and Integrity VM V6.x), to a VSP with
an older version of HP-UX virtualization software.
5.7.2 Online migration of Integrity VM guests
Online migration is supported only for Integrity VM guests.
5.7 Support for migration of vPars and Integrity VMs 39