Monthly license charge components
z System license charges are a large component of the IT budget so this blog series will be looking at what you can do to manage those costs efficiently. I'll be covering how to stay on top of the charges throughout the month, what safeguards are in place to control the cost and what potential solutions, remedies and actions can be taken.
z System license charges are a large component of the IT budget so this blog series will be looking at what you can do to manage those costs efficiently. I'll be covering how to stay on top of the charges throughout the month, what safeguards are in place to control the cost and what potential solutions, remedies and actions can be taken.
I'll start with a look at the type of license charges.
Types of
License Charges
•
MLC or WLC (Monthly or Workload
License Charges)
–
The charge is based upon usage of an
LPAR
–
Aggregates usage for the complete
environment
–
MSUs of z Systems Subsystem
Components consumed
When you elect WLC pricing for a particular operating
system on a CPC, all of that operating system family's MLC products are
licensed under WLC on that CPC. Sub-capacity eligible MLC products are called Variable
Workload License Charges (VWLC) products. Non-sub-capacity eligible MLC
products are called Flat Workload License Charges (FWLC) products and
their pricing is a fixed monthly charge unrelated to the capacity of the CPC on
which they run.
•
CMLC (Country Multiplex License
Charges) or CMP (Country Multiplex Pricing)
–
Sub-capacity offering that allows
clients to use their z Systems capacity within a given country with the
objective of creating a flexible, country-wide z Systems platform.
Clients can configure and balance workloads more
easily without the constraints of Sysplex aggregation rules and many of the
limitations of previous reporting methodologies.
A Multiplex is the collection of all eligible IBM z
Systems machines or Sysplexes or both within a single country, measured as one
machine for purposes of software sub-capacity reporting.
On Wednesday I'll be looking at the types of license in more detail. In the
meantime don’t forget to sign up for my webinar ‘Top 5 z Systems® Capacity Issues on
September 13th https://www.metron-athene.com/services/webinars/capacity-management-webinars.html
Charles Johnson
Principal Consultant
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