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050401 HIPER MCLs for 2064

Notification


Risk classification

IBM Z HIPER Alerts

Abstract

HIPER MCL released for 2064 machines

Description



Description

Prior to the concurrent activation of the CUoD
(Capacity Upgrade on Demand) and CBU (Capacity Backup)
features it is critical that MCL045 in the SE-I390/PU ML LIC
EC Stream H25110 is installed and activated. For CBU, this
includes the "temporary" and "test" modes. This MCL corrects
a system checkstop condition which can result during the
concurrent CUoD and CBU functions.

This MCL has been reclassified as HIPER.

These functions are performed by using the "SE-CPC
Configuration"> "Perform Model Conversion" panel options:

* PU Diskette Upgrade
* Temporary Upgrade Using CBU Feature via Password Panel
* Temporary Upgrade Using CBU Feature via IBM Service
Support System
* Test Capacity Backup (CBU) Feature via Password Panel
* Test Capacity Backup (CBU) Feature via IBM Service Support
System

Please reference RETAIN TIP H172838 or Field Alert Document
042601 for current MCL apply strategy.


Recommended Action

IBM recommends that these MCLs be installed as soon as a window can be obtained.

If you have any questions, please contact your service provider.

Reference ID

050401

Date first published

07 June 2018

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Document Information

Modified date:
31 May 2024

UID

C6C83913639EF0B98525721A006920EE