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5. The CPU CARD screen appears and looks similar to the following:
PRESENT CONDITIONS: PR #0 –> Valid & Enabled
COMMANDS: 0> ENABLE
1> DISABLE
2> TEMPORARY DISABLE
SELECT [x:exit]:
6. From this screen, you can disable or enable a particular processor on the selected CPU
card. Option 0 enables a CPU; option 1 disables a CPU, and option 2 temporarily
disables a CPU until the next reboot.
Enabling/Disabling Processors through AIX
The processors can be disabled/enabled through AIX as well. This is done through the
cpu_state command. Following is the command with various options:
To list the processors and view their statuses, type cpu_state –l. The output should
look something like this:
Name
Cpu
proc0
0
proc1
1
proc2
2
proc3
3
To disable a CPU, CPU1 for example, type cpu_state –d 1. Look at the result with
cpu_state –l
Name
Cpu
proc0
0
proc1
1
proc2
2
proc3
3
Note: This change does not take effect until after a reboot. After a reboot, the cpu_state
–l command shows:
Name
Cpu
proc0
0
proc1
–
proc2
1
proc3
2
CPU CARD – (CPU1)
PR #1 –> Valid & Enabled
Status
enabled
enabled
enabled
enabled
Status
enabled
disabled
enabled
enabled
Status
enabled
disabled
enabled
enabled
Location
00–0P–00–00
00–0P–00–01
00–0Q–00–00
00–0Q–00–01
Location
00–0P–00–00
00–0P–00–01
00–0Q–00–00
00–0Q–00–01
Location
00–0P–00–00
00–0P–00–01
00–0Q–00–00
00–0Q–00–01
Using SystemGuard
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