On RHV-H, editing the "search" option in /etc/resolv.conf is not persistent across reboot

Solution Verified - Updated -

Issue

  • the search option was changed in /etc/resolv.conf but after a reboot, it is still populated with the old domain name
  • FQDN of the RHV-H was changed, the hypervisor was removed and added again from the RHV Manager, DNS entries has been all updated with the new domain name, but after a reboot /etc/resolv.conf still report it.

Environment

  • Red Hat Virtualization (RHV) 4
  • Red Hat Virtualization Hypervisor (RHV-H)

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