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z/OS Capacity provisioning allows you to set up rules
defi ning the circumstances under which additional capac-
ity should be provisioned in order to fulfi ll a specifi c busi-
ness need. The rules are based on criteria, such as: a
specifi c application, the maximum additional capacity that
should be activated, time and workload conditions. This
support provides a fast response to capacity changes and
ensures suffi cient processing power will be available with
the least possible delay even if workloads fl uctuate.
An installed On/Off CoD record is a necessary prerequisite
for automated control of temporary capacity through z/OS
Capacity Provisioning.
See z/OS MVS Capacity Provisioning User’s Guide
(SA33-8299) for more information.
On/Off CoD Test: On/Off CoD allows for a no-charge test.
No IBM charges are assessed for the test, including IBM
charges associated with temporary hardware capacity,
IBM software, or IBM maintenance. This test can be used
to validate the processes to download, stage, install, acti-
vate, and deactivate On/Off CoD capacity non-disruptively.
Each On/Off CoD-enabled server is entitled to only one no-
charge test. This test may last up to a maximum duration
of 24 hours commencing upon the activation of any capac-
ity resources contained in the On/Off CoD record. Activa-
tion levels of capacity may change during the 24 hour test
period. The On/Off CoD test automatically terminates at
the end of the 24 hours period. In addition to validating
the On/Off CoD function within your environment, you may
choose to use this test as a training session for your per-
sonnel who are authorized to activate On/Off CoD.
SNMP API (Simple Network Management Protocol Appli-
cation Programming Interface) enhancements have also
been made for the new Capacity On Demand features.
More information can be found in the System z10 Capacity
On Demand User’s Guide, SC28-6871.
Capacity on Demand – Permanent Capacity
Customer Initiated Upgrade (CIU) facility: When your
business needs additional capacity quickly, Customer
Initiated Upgrade (CIU) is designed to deliver it. CIU is
designed to allow you to respond to sudden increased
capacity requirements by requesting a System z10 EC PU
and/or memory upgrade via the Web, using IBM Resource
Link, and downloading and applying it to your System z10
EC server using your system’s Remote Support connec-
tion. Further, with the Express option on CIU, an upgrade
may be made available for installation as fast as within a
few hours after order submission.
Permanent upgrades: Orders (MESs) of all PU types and
memory for System z10 EC servers that can be delivered
by Licensed Internal Code, Control Code (LIC-CC) are
eligible for CIU delivery. CIU upgrades may be performed
up to the maximum available processor and memory
resources on the installed server, as confi gured. While
capacity upgrades to the server itself are concurrent,
your software may not be able to take advantage of the
increased capacity without performing an Initial Program-
ming Load (IPL).
System z9 System z10
Resources
CP, zIIP, zAAP, IFL, ICF CP, zIIP, zAAP, IFL, ICF, SAP
Offerings Requires access to IBM/ No password required
RETAIN
®
to activate to IBM/RETAIN to activate
CBU, On/Off CoD CBU, On/Off CoD, CPE
One offering at a time Multiple offerings active
Permanent Requires de-provisioning Concurrent with temporary
upgrades
of temporary capacity fi rst
offerings
Replenishment No
Yes w/ CBU & On/Off CoD
CBU Tests 5 tests per record Up to 15 tests per record
CBU Expiration No expiration Specifi c term length
Capacity
Provisioning No Yes
Manager Support
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