z/VSE 5.1 Migrations - Software Level
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If you plan to migrate to z/VSE 5.1, please consider the following:
Independ on Fast Service Upgrade (FSU) from a prior release or an initial installation,
On top of the RSL please apply the Preventive Service Planning (PSP) buckets ->
PSPs contain all Hiper PTFs (and other recommended service) for a specific set of products
Please verify that the following VSAM Hiper PTFs are applied:
-- VSAM PTFs UD53921 and UD53922 - The fixes are related to the problems of:
Upgrade your vendor products to the latest level. Some have new fixes for z/VSE 5.1.
If you are migrating from z/VSE 4.2 or earlier releases, please verify your SVA (shared area) requirements
Reason: In z/VSE 4.3 we implemented some virtual storage constraint relief by moving control blocks
and system routines into 31 bit virtual storage.
Please review the z/VSE 5.1 and z/VSE 5.1.1 Release Guides -> http