, Latel Diagram Description I ---------------------------------------------------------------------------------1 SCANUNIT SETDASD
SET END SETEXT SETUPBUF SKIPMSG STARTIO SUPMSG TESTCARD TESTCMS TESTEND TESTIN TESTNPAG TESTOUT TRANS TRKCOND TSTCOUNT UPDTADD UPDTEXT WDSIO 5-4
5-1
5-3
5-3
5-4
5-5
Scans the device table (TAELE2). Checks volume serial number of output disk. Prints the cylinder map at end-of-job. Picks up the cylinder numter that starts the next extent. 1 Clears the print buffer. Prints record overflow message.
Starts I/O devices. Prints the suppress line message.
Checks for card input at end-of-job.
Exits by entering wait state when DDR program is running
standalone.
Terminates when blank card read.
Checks for tape input.
Skips printer to channel 1. writes tape output records.
Translates data to printatle characters.
Recovery procedure for track condition check (alternate
track). Prints the end of the track. Updates disk addresses.
Restores entire track. Writes the THR (track header record). 1 Figure 5-2. The DASD Dump Restore Program Label Iirectory (Part 3 of 3)
Chapter 5. The D1SD Du.p Restore Progra. 105

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
A 10 DS 10 16 VHRCLOCK DS
18 24 VHRMREC 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 value CC 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
of DASI).