Displaying the channel type

SUSE Linux Enterprise Server 15 SP5 LPAR mode z/VM guest

Use the type attribute to display the channel type of a CTCM group device.

Procedure

Issue a command of this form to display the channel type of a CTCM group device: 
# cat /sys/bus/ccwgroup/drivers/ctcm/<device_bus_id>/type
where <device_bus_id> is the device bus-ID that corresponds to the CTCM read channel. Possible values are: CTC/A, ESCON, and FICON®.

Example

In this example, the channel type is displayed for a CTCM group device with device bus-ID 0.0.f000: 
# cat /sys/bus/ccwgroup/drivers/ctcm/0.0.f000/type
ESCON