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> 1 December Update
WLC Pricing Continues with SCRT
Tuesday 26Nov2002 IBM announced via the internet:
"IBM has decided not to deliver the IBM License
Manager tool for zSeries, as we previously described."
I believe that the IBM License Manager (ILM) has caused some
installations to hesitate from examining Workload License Charges
(WLC). Now that the uncertainty about ILM is gone installations
can move forward to determine if WLC is beneficial to them. Some
of the value that ILM would have provided has been available through
the Sub-Capacity Reporting Tool (SCRT).
You will continue to report to IBM the MSUs that you are consuming
and which products are running on which LPARs with SCRT.
The Terms and Conditions of WLC have not changed. What does
the future hold for license management on zSeries? IBM indicates
that sites can continue using SCRT "until a strategic
solution is available". This validates our past advice
at conferences and via our web site that sites should go forward
with SCRT and not wait for the ILM.
Interestingly, the same day IBM announced the Tivoli License
Manager V1.1 for distributed platforms. The future zSeries solution
may likely be from Tivoli.
What Should You Do?
Analyze At Full Capacity
Ask your IBM team to help with a quick analysis. Tell them you
want your software configuration priced with today's hardware
and software on your current pricing scenario. You also want them
to determine what the software charges would be if you were on
WLC at the full capacity of the z900. This sets the upper bound
on your software charges. If your actual utilization is not 100%
then your WLC software charges will be less than the full capacity
of the z900. See our previous updates
for information on the 30Apr2002 announcements and the change
to software charges based on your utilization.
Second, Learn About WLC and How You Can Leverage WLC
There are number of sessions at the December CMG conference December
8 to 13. The next large conference is the Share conference in
Dallas, February 23-28. I'll be doing five sessions
at Share. I'm currently updating the seminar
due to remove the sections related to ILM.
My LPAR Capacity and Software Usage Analysis (LCS) Software
was introduced at CMG. LCS was developed to assist
installations in planning for and implementing IBM’s Workload
License Charges (WLC). Read the PDF brochure
for a description of all the LCS capabilities.
Defined Capacity Reminder
If you set a defined capacity for an LPAR, then the z/OS WLM
will monitor the 4 hour rolling average of that LPAR. If the 4
hour rolling average exceeds the defined capacity then the WLM
will tell z900 PR/SM to cap the LPAR. This is "soft-capping".
When the 4 hour rolling average falls below the defined capacity
WLM will detect this and tell PR/SM to remove the cap. This is
not a change, but I often receive questions about this point.
Recently APAR OW55509 became available. With this APAR you no
longer need to set a defined capacity to have the z/OS WLM compute
and record the four hour rolling averages.
Wednesday, 11 December, 2002