HP Instant Capacity User's Guide for versions B.07.x

Using Instant Capacity to Manage Processing Capacity
Overriding Deferred Processor Activations and Deactivations
Chapter 4 61
Overriding Deferred Processor Activations
and Deactivations
NOTE Only activation of processors is discussed in this section, but the
discussion applies equally to the deactivation of processors.
If you have performed a deferred processor activation, using the -D
option in the icod_modify command, and the intended number of active
processors specified is no longer desirable, you can override the (pending)
deferred activation by performing another deferred or instant
icod_modify operation. This second operation overrides the first
activation.
You may experience one of the following deferred activation scenarios:
• The deferred number of active processors was incorrect and you want
it to be correct when the system reboots
• The entire deferred operation was accidental and you want to undo it
The following two examples explain how to override these situations.
Example 4-5 Correcting an Incorrect Number of Deferred Active Processors
1. On your system or partition you currently have 2 processors
activated and 2 processors inactive. You decide 4 active processors
are needed, so you perform a deferred activation for 2 additional
active processors by entering the following command:
/usr/sbin/icod_modify -D -a 2
2. Later, and prior to a system reboot, you realize that you need only 3
active processors (not 4). You can override the initial deferred
activation in
Step 1 by entering the following command:
/usr/sbin/icod_modify -D -s 3
The -s option in
Step 2 (above) sets the number of active processors. The
activation takes place after the next system reboot due to the -D option.
You could also perform
Step 2 without the -D option for the icod_modify
operation to be instant.