How To
Summary
This document provides steps to preserve the load source after a disk copy
Customers use the disk copy function in Service tools to migrate the LoadSource.
Objective
PTFs may or may not need to be removed from client system prior to load source migration if the customer wants to preserve the original load source.
Environment
IBMi r720, r730, and r740
A change was implemented (APAR MA47610) that disables the original 'source' LoadSource disk unit after a load source migration is complete ( that is, at the end of the Copy Disk Unit Data service function)
With this change, SLIC will not use the original 'source' disk unit on future IPLs after the disk copy operation completes.
Steps
The PTF below ensures that the OLD ORIGINAL LoadSource does not show up again and so the partition will not be able to boot on that OLD LoadSource.
If the PTF for v7r2m0 and v730 are applied on the system and the customer wants to retain the load source after load source migration.
The PTF below needs to be removed PRIOR to doing the load source migration.
Also, the option to remove the PTF is only available in releases r720 and r730 as this function is implemented into r740.
r720 MF65916
r730 MF65917
r730 MF65917
APAR = MA47610
Since the code change is implemented into r740, if the customer wants to retain the ORIGINAL load source as a valid unit to boot from, after the load source migration, they would need to apply the PTF below PRIOR to the load source migration.
r740 MF66363
APAR= MA47813
Document Location
Worldwide
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Document Information
Modified date:
03 May 2021
UID
ibm11135474