HP-UX Virtual Partitions Administrator's Guide (includes A.05.02)

Installing, Updating, or Removing vPars and Upgrading Servers with vPars
Ignite-UX, the LAN, the LAN card, and vparboot -I
Chapter 4
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CAUTION lanboot select connects to the first Ignite-UX server from which its gets a response. Make
sure that the NICs MAC address is registered with only one Ignite-UX server or boot helper in
the subnet. If there are more than one Ignite-UX servers in the subnet and if one of them does
not contain the latest Ignite-UX software, booting from an incompatible kernel may bring down
the entire nPartition.
As on PA-RISC, only the vPars shell command vparboot can be used to boot a subsequent virtual partition
for installation (or recovery); the vPars Monitor command vparload cannot do this. Thus, you need at least
one virtual partition successfully booted to use the vparboot command.