Displaying MVS device allocation IGDE information

Use the DISPLAY ALLOC,IGDEINFO command to display internal information about a given tape device to be provided to IBM® Technical Support.

DISPLAY ALLOC,IGDEINFO
 
D ALLOC,IGDEINFO,DEVICE | D = d

  [,L={a|name|name-a}]
           
DEVICE or D = d
Indicates to display internal information about the specified device.
L=a, name, or name-a
Specifies the display area (a), console name (name), or both (name-a) where the display is to appear.

If you omit this operand, the display is presented in the first available display area or the message area of the console through which you enter the command.

Note: For the output of the DISPLAY ALLOC,IGDEINFO command, see the desription of message IEFA004I in z/OS MVS System Messages, Vol 8 (IEF-IGD).