Cylinder 0 Track 0 Record number R0 R1 Description L-.J Number of Bytes
A!! Cylinders Except 0 Track 0 Record R0 R1
R2 Check­ Point
R3
Key I Label I 1 4 80 R2
R4 R5 R6 Allocation Key IFormat Key I Format
Byte I I 5
Map I Label I I 1024 44 96 44 96
R3 R4
Description DDoDoDL:JU Number of Bytes
Track 29
Record
Description
Number of Bytes 4096 • • • 4096 4096 R0 R117 R118 R119 I II II II II:lI II=l UULJUOUO 4096 4096 4096 Figure 3-17. 3350 Record Layout 4096 R120 I I I I LJ 4096 Chapter 3. The Format Service program 79

Diagnostic Aids
Figure 3-18
issued by the
label of the is a list of the messages
For.at/Allocate program. The • essage, the label of the
routine issuing the .essage and the
associated method of operaticn diagram are
included in the list • ----------------'-----------------------------------------------------------------, Message Code DMKFMT130E DftKFMT732E DMKFMT733E DftKFMT134E DftKFftT735E DftKFMT136E DMKFftT131E DMKFftT738A DftKFMT139E DftKF!!T140E D!!KF!!T756E Label of Message WR 1 ftCMSG WRONG TYPERR FATLftSG IOERR BAD IPLERROR MSGATRK MSG35ftB PC!!SG TITLE FORA FMTMSG ALLOCMSG ADDRESS TYPMSG DATAMSG AL!!SG ALMSG 1
ALLEND STCYL ENDCYL PROGFOR RDLAB ENDFOR PAGE RESULTS ftAP LABELCHK Issuing
Routine DEVTYPE !!CRTN LABELBAD VALIDATE ALLOCATE FATAL DEVICEAD SENSIT2 BADINPUT DEVICE AD ALTTRACK DEVTYPE PRCHK ERRORMSG ST!!SG SELECT SELECT SELECT DEVICEAD DEVTYPE ALLOCATE ALLOCATE ALLOCATE FINI FOR!!ALL NEXT REGFORM LAB CLEANUP CLEANUP FINI
PRINTALL LABONLY I I IDiagraml Message Text
3-1 DEV xxx N01 OPERATICNAL OB NCT REAIY. MACHINE CHECK RUN SEREP AID SAVE OUTPUT FOR CE VOLII READ IS xxxxxx NOT xxxxxx TYPE OR CYL INVALID 3-2 FATAL DASD 10 ERROR. CSW=xxxxxxxxxxxxxxxx 3-2 10 ERROR xxx CCBHR = 0000000000 SENSE = xxxxxxxxxxxx INVALID OPERAND DEV xxx INTERVENTION REQUIRED FLAGGED PRI!!ARY TRACK BAS NC ALTERNATE ASSIGNED, 10 ERRCR FOLLOWS. 3-1 PACK MOUNTED IS 3340-35, leT 3340-10. MOUNT ANOTHER OB RESPECIFY. PROGRAM CHECK PSW= xxxxxxxxxxxxxxxx 3-1 VM/370 FORMAT/ALLeCATE PBCGBAM BELEASE n
3-1 ENTER FORMAT OR ALLOCATE: 3-1 FOR!AT FUNCTION SELECTED 3-1 ALLOCATE FUNCTION SELECTED 3-1 ENTER DEVICE ADDRESS (CCU): 3-1 ENTER DEVICE TYPE: 3-3 ENTER ALLOCATION DATA FOR VCLUME 3-3
3-3
3-3
3-2
3-1
3-2
3-2
3-3 xxxxxx TYPE CYL CYL DEVICE xxx VOLUME xxxxxx ALLOCATION ENtED ENtER START CYLINDER (xxx) CR "LAEEL": EN1ER ENt CYLINDER (xxx): FORMAT STARTED ENTER DEVICE LABEL: FORftAT DONE xxx PAGE RECORDS FLAGGED ALLOCATION RESULTS TEMP 000 oeo LAEEL IS New xxxxxx Figure 3-18. The Format/Allocate Program Messages 80 IBM VM/370 Service Routines Program Logic