Data Areas
This section contains a description of a:• Track header record • Cylinder header record • lOB CYLINDER HEADER RECORD o 10 18 lC 124 <
<VHRMREC VHRMTCK Hex --0 0 VHR DC 4 4 VHRCYLNO DS
A10 DS 10 16 VHRCLOCK DS
18 24VHRMREC DS lA 26 VERCYLA DS lC 28 VHRMTCK DS VHR VHRCYLNO I IA VHRCLOCK 11A I 11E I CL4'VHR' CL6'0' XL6 ' , D'O' X'O' H'O' H'O' VHReYLA VBRVSER > 12g§£!:!£!!.QIl EECCHH of input DASD unit
Not used
Time of day clock valueCC address of last cylinder on this type lE 30 VHRVSER DS CL6'VOLSER' Volume serial number of input DASD unit
24 36 DS CL44', Figure 5-3. Cylinder Header Record 106 IBM VMj370 Service Routines Program Logic
ofDASI).
This section contains a description of a:
<
A
18 24
Not used
Time of day clock value
24 36 DS CL44'
of