Appendix E. IBM Dynamic Partition Manager 505
After this option is selected, a new window is displayed where the user enters the two OSA
Express5s 1000BASE-T ports selected and cabled to the System Control Hubs (SCHs)
during the z Systems installation. This window is shown in the Figure E-3.
Figure E-3 Entering the OSA ports that will be used by the management network
After entering the OSA adapter port numbers that were previously cabled to the SCHs, click
Enable. The SE then restarts, and, when finished, the DPM mode becomes active and
operational.
Note: During the installation process, the IBM SSR connects the two OSA Express5s
1000BASE-T cables to the SCHs provided ports.
Important:
A CPC in DPM mode cannot be part of an Ensemble managed by Unified Resource
Manager. The HMC used to enable the CPC in DPM mode must NOT be an Ensemble
HMC (either Primary or Backup Ensemble HMC).
All definitions that are made for the CPC, if any, before the DPM mode is activated are
saved and can be brought back if customer chooses to revert to standard PR/SM mode.
However, when switching the CPC into standard PR/SM mode, any definitions that
were made with the CPC in DPM mode will be lost.
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