Fine-tuning ACM with LPAR Sets: A brand new feature, Part 2
LPAR Sets offer a way to group LPARs in varying ways, depending on your need. This lets you manage them on a granular basis. You might choose to group LPARs by cost where lower-cost LPARs have looser controls. You can also define by products, creating a CICS set, an IMS set, etc. This means that an LPAR can be in more than one LPAR Set—an option not available with Group Capacity soft caps. Multiple LPAR Sets may overlap and even cross SYSPLEX boundaries.
LPAR Sets Offer Many Levels of Control
Among the kinds of controls available, you can define certain LPARs, particularly those running lower priority batch to be more strictly managed with regards to their local R4HA. Others may be constrained only based on the total CPC R4HA. This allows you to fine-tune the management of software costs, favoring important workloads, while still keeping your costs down.
This option works whether you have manually driven down the costs as far as you can and wish to go even further, or if you are in the early stages where you absolutely, positively want to ensure no impact on the performance of certain LPARs. In reality, it works well for any flavor of sub-capacity pricing.
Don’t hesitate to get in touch if you wish to add this more granular control to your system management toolbox. Compuware offers a free analysis of your SMF data to demonstrate the performance and cost savings benefit of Automated Capacity Management. Contact us today for more information.
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