Dynamic I/O configuration
Dynamic I/O configuration, available with z/OS® and z/VM®, provides the capability of changing the currently active I/O configuration. Using dynamic I/O configuration logical partitions, channel paths, control units, devices, and PCIe functions of the currently active I/O configuration can be added, deleted, or modified without requiring a power-on reset and an IPL for the change to take effect. Changes made to the currently active I/O configuration can be saved and the IOCDS that reflects these changes can be written and made the active IOCDS.
Dynamic I/O configuration does not support the following:
- Changing MIF image ID numbers
Use the Customize/Delete Activation Profiles task to open a reset profile to enable
dynamic I/O configuration for the CPC.
- On the General page, select a dynamic IOCDS from the IOCDS list
- Then select the Dynamic page for the IOCDS and select the Allow dynamic changes to the channel subsystem input/output (I/O) definition check box.