True. This configuration change requires the cluster to not be running. As such, all applications will not be running.
A2:
True.
A3:
False. The vgchange “c y <vg> command will work only if cmcld daemon is running.
A4:
False. You can use an LVM non-root volume group only to house Cluster Lock disk.
A5:
False. While it is a good idea to halt the package to avoid timing problems while running the script, it is possible to move a new control script in place with the package is up and running.