HP-UX HB v13.00 Ch-16 - iCAP

HP-UX Handbook – Rev 13.00 Page 10 (of 24)
Chapter 16 Instant Capacity (iCAP)
October 29, 2013
# /usr/sbin/icapmodify -a <# of cores> [desc[:user_name]]
 Deferred until the next reboot by using
# /usr/sbin/icapmodify -a <# of cores> -D [desc[:user_name]]
Unless you have a balance of Instant Access Capacity (IAC) or temporary capacity (or usage
rights available from a GiCAP group), you must purchase additional usage rights before
activation of an inactive core. If there are no cores with available usage rights:
1. Purchase a RTU (Right To Use) or a TiCAP product. Keep in mind that it may take some
time for an order to be listed on the iCAP portal.
2. Acquire an RTU codeword from the iCAP portal located at
http://www.hp.com/go/icap/portal. The output of “icapstatus -s” and the Sales Order
Number are needed. You do not need to apply the complete order at once or even to a
single system.
3. Apply the RTU codeword using the command:
# /usr/sbin/icapmodify -C <codeword>
4. Activate the number of new cores needed using the command:
# /usr/sbin/icapmodify -a <# of cores> [desc[:user_name]]
to immediately activate the cores or
# /usr/sbin/icapmodify -a <# of cores> -D [desc[:user_name]]
to defer the activation until the next reboot.
Ensure that all HP and third party software has the proper licensing for the number of cores
activated. If an application is running when an additional core is activated, it may not recognize
the newly activated core as available for processing. It is recommended to restart the application
in this case.
To deactivate a number of cores choose between instant and deferred activation. The commands
are:
 Immediately by using:
# /usr/sbin/icapmodify -d <# of cores> [desc[:user_name]]
 Deferred until the next reboot by using:
# /usr/sbin/icapmodify -d <# of cores> -D [desc[:user_name]]
Note: Pending deferred activation/deactivation of cores may be overridden by using icapmodify
again.
If an active core fails with a Low Priority Machine Check (LPMC) in a partition with Instant
Capacity, its processing capacity is replaced instantly by an inactive core, if any are available in