Managing Superdome Complexes: A Guide for HP-UX System Administrators

Configuring and Managing Superdome Partitions
Overview of Superdome Partition Concepts
Chapter 4 119
Although you can have multiple cells with I/O chassis and core I/O cards
within the same partition, only one core I/O card is active (the one
belonging to the core cell).
You also can define one or more core cell choices, which are cells you
specify to be used as the core cell. If your first core cell choice does not
boot or is otherwise unable to serve as the core cell then the partition
attempts to use the second core cell choice. You can specify up to four core
cell choices.
If you do not specify any core cell choices, the lowest numbered eligible
cell in the partition (that is, the lowest numbered cell that is attached to
a chassis containing a core I/O card) is used as the core cell. This cell also
is used if all core cell choices fail to qualify as the active core cell.
To list details about all cells in a Superdome complex, including their
current partition assignments, their current actual usage, and related
I/O details, you can issue the parstatus -C HP-UX command.
Genesis Partition The Genesis Partition is the initial, one-cell partition that you create
on an HP Superdome complex. You use the Genesis Partition as the point
where you begin configuring and managing all partitions in the complex.
It always is partition number 0.
The Genesis Partition consists of one cell that is connected to an I/O
chassis. The I/O chassis must have a core I/O card in slot 0, and it also
must have a bootable disk (and associated PCI card) installed.
If HP-UX is not installed on the Genesis Partition’s disk(s), you can boot
the Genesis Partition to the Boot Console Handler (BCH) menu and from
# parstatus -C
[Cell]
CPU Memory Use
OK/ (GB) Core On
Hardware Actual Deconf/ OK/ Cell Next Par
Location Usage Max Deconf Connected To Capable Boot Num
========== ============ ======= ========= =================== ======= ==== ===
cab0,cell0 active core 4/0/4 8.2/ 0.0 cab 0,bay0,chassis1 yes yes 0
cab0,cell1 active base 4/0/4 4.1/ 0.0 - no yes 0
cab0,cell2 active base 2/0/4 16.4/ 0.0 cab 0,bay1,chassis3 yes yes 0
cab0,cell3 absent - - - - - -
cab0,cell4 active core 2/0/4 2.0/ 0.0 cab 0,bay0,chassis3 yes yes 1
cab0,cell5 active base 4/0/4 4.1/ 0.0 - no yes 1
cab0,cell6 active base 2/0/4 4.1/ 0.0 cab 0,bay1,chassis1 yes yes 1
cab0,cell7 absent - - - - - -
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