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26 Hardware Management Console (HMC) Case Configuration Study for LPAR Management
Example of using two uncapped partitions and the weight
For the example of two uncapped partitions using the same shared processor
pool, we use the configuration described in Table 7.
Table 7 CPU allocation table
We created a heavy CPU load on both uncapped partitions and verified their load
using the topas -L command.
Example 11 Output of topas -L from node oli
Interval: 7 Logical Partition: oli Tue Mar 31 17:37:56 1970
Psize: 3 Shared SMT OFF Online Memory: 5632.0
Ent: 1.00 Mode: UnCapped Online Logical CPUs: 4
Partition CPU Utilization Online Virtual CPUs: 4
%usr %sys %wait %idle physc %entc %lbusy app vcsw phint %hypv hcalls
100 0 0 0 1.5 148.75100.00 0.00 8526 0 0.0 0
===============================================================================
LCPU minpf majpf intr csw icsw runq lpa scalls usr sys _wt idl pc lcsw
Cpu0 0 0 1536 795 733 6 100 33 100 0 0 0 0.37 2160
Cpu1 0 0 715 718 706 6 100 22 100 0 0 0 0.37 2139
Cpu2 0 0 751 738 700 6 100 6 100 0 0 0 0.37 2091
Cpu3 0 0 704 730 701 5 100 51 100 0 0 0 0.37 2136
Example 11 and Example 12 are the outputs of the topas -L command from
nodes oli and julia, including the same weight value.
Example 12 Output of topas -L from node julia
Interval: 7 Logical Partition: julia Tue Mar 31 17:38:31 1970
Psize: 3 Shared SMT OFF Online Memory: 512.0
Ent: 1.00 Mode: UnCapped Online Logical CPUs: 4
Partition CPU Utilization Online Virtual CPUs: 4
%usr %sys %wait %idle physc %entc %lbusy app vcsw phint %hypv hcalls
100 0 0 0 1.5 149.45100.00 0.00 8692 1 0.0 0
===============================================================================
LCPU minpf majpf intr csw icsw runq lpa scalls usr sys _wt idl pc lcsw
Cpu0 0 0 738 869 771 7 100 209 100 0 0 0 0.37 2184
Cpu1 0 0 1547 852 789 5 100 16995 99 1 0 0 0.37 2158
Partition
name
CPU
(Min/Des/Max)
Virtual
processors
(Min/Des/Max)
Dedicated/
Shared
Capped/
Uncapped
Weight
nicole_vio 1/1/1 N/A Dedicated N/A N/A
oli 0.1/1.0/2.0 1/4/4 Shared Uncapped 128
julia 0.1/1.0/2.0 1/4/4 Shared Uncapped 128