At one stage we had the following scenario (simplified) Device 1 2105-F20 - Escon CHPID 01 - Address Range 1000 Device 2 2105-F20 - Escon CHPID 02 - Address Range 2000 Both were connected to a processor with one difference, device 2 was connected through a DWDM link. The two devices were decommissioned and in the course of that the CHPIDs were configed off at the processor, but the cables were left plugged in. We then had an unplanned POR. At IPL we had timeout errors on CHPID 02 then messages requiring confirmation that the IPL should continue without the devices, one by one in Address range 2000. We had no such messages in relation to CHPID 01 and Address Range 1000. This appears to indicate that even though there is nothing attached on the DWDM link some status is being returned that is different. Has anyone had this experience, and what is that status that is coming back?
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