HP-UX 11i v3 Read Before Installing or Updating, September 2007 (Update 1 Release)

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Boot Disk Must Be at Least 9 GB for HP-UX 11i v3
HP-UX 11i v3 requires more space on the HP-UX boot disk
than prior HP-UX releases. The disk chosen as the
boot/root disk must be at least 9 GB to fit the volumes that
must reside on the root/boot disk. More than 9 GB will be
required in the root disk group in order to load the
required and recommended operating environment
components (typically 18 GB depending on swap space and
software selections.)
Install may fail if your boot disk is too small regardless of
the total size of the root volume.
What To Do
When configuring systems for installation, make sure the
boot disk is at least 9 GB.