Basic HyperSwap is disabled due to a volume pair error
This condition occurs during normal operation.
Problem
After starting a Basic HyperSwap® session and after all pairs become full duplex, you notice that the Basic HyperSwap is not enabled and the session shows a red status. You received the following two errors:
IWNR5423E [timestamp] Basic HyperSwap is disabled with volume
status code [code] due to an error involving the pair with source
[source] and target [target].
IOSHM0201I HyperSwap Configuration Load fails Reason: Configuration
Validation fails on member SY1->Reason Code: 50. Devices: 0A1D-0B1D.
status code [code] due to an error involving the pair with source
[source] and target [target].
IOSHM0201I HyperSwap Configuration Load fails Reason: Configuration
Validation fails on member SY1->Reason Code: 50. Devices: 0A1D-0B1D.
Action
Attempt to vary offline the target pairs that are online.
See the z/OS® MVS System Messages document to diagnose system problems and to find explanations of the messages.