Installation guide

5-6 Getting Started with Logical Partitions
5.3 Halting All Partitions to Reconfigure
You may wish to change the allocations set with the lp_* environment
variables, in effect reconfiguring your partitions. Shut down the oper-
ating system in each partition, reset the system, change the settings as
desired, reset the system, and issue an lpinit command.
Example 5–3 All Consoles: Shut Down Operating System
# /usr/bin/shutdown –h +5 “Shutting down to reconfigure partitions”➊
Example 5–4 Primary Console: Disable Partitions and Reset EVs
P00>>> set lp_count 0 ➋
P00>>> init ➌
Are you sure you want to reset ALL partitions? (Y/N) Y
.
.
.
P00>>> set lp_count 2
➍
P00>>> set lp_cpu_mask0 3
P00>>> set lp_cpu_mask1 30
P00>>> set lp_io_mask0 100
P00>>> set lp_io_mask1 c0
P00>>> set lp_mem_mode isolate
P00>>> set auto_action halt
P00>>> init
➎
.
.
.
P00>>> lpinit
➏
CPU 2, 3 not configured in any partition ➐
Partition 0: Primary CPU 0
Partition 1: Primary CPU 4
Partition 0 Memory Base 0000000000 Size 080000000
Partition 1 Memory Base 0800000000 Size 040000000
No Shared Memory
LP Configuration Tree 132000
Starting CPU 4 in partition 1 at address 080010001
Starting CPU 5 in partition 1 at address 080010001