8.144 S{+/-} dev (Turn CCW stepping on or off)
8.144.1 Function
This command turns on (s+ dev) or turns off (s- dev) the CCW stepping function. After CCW stepping is
turned on every execution of a CCW has to be confirmed by hitting ENTER on the Hercules console and
produces detailed trace output.
8.144.2 Syntax
Descriptive
-
Diagram
¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ÊÍ
-
8.144.3 Parameter
devaddr
This is the address of the device for which CCW stepping will be turned on or off.
+
The plus sign turns on the CCW stepping for the given device. The plus sign must
immediately follow the S command (without an intervening blank).
-
The minus sign turns off the CCW stepping for the given device. The minus sign
must immediately follow the S command (without an intervening blank).
8.144.4 Examples
Example 1:
Turn on CCW stepping.
HHC00013I Herc command: 's+0148'
HHC02204I CCW step for 0:0148 set to on
HHC00396I 0:0148 start i/o file[1] bufcur -1 cache[-1]
HHC01315I 0:0148 CHAN: ccw 02000000 60000018=>02000000 60000018 00000000 00000000 ....-.........
HHC00431I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': seeking to cyl 0 head 0
HHC00396I 0:0148 read trk 0 (asynchronous)
HHC00396I 0:0148 0 rdtrk 0
HHC00396I 0:0148 0 rdtrk[0] 0 cache miss
HHC00396I 0:0148 0 rdtrk[0] 0 buf 07AB5C88 len 19456