VM370 Rel 6 Service Routines Pgm Logic (Mar79)
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Cylinder 0 Track 0 Record number I Description Number of Bytes I I All Cylinders Except 0 I Track 0 Record I Description Number of Bytes I Tr.ock 1 I Reco,d I Description I Numb .. of Bytes Figure 3-15. RO R1 R2 R3 R4 R5 R6 RF3 I II'PL II II Kev I Labell I Allocation I I I 1 Formatl I 1 page Check- I I Forma II point II! I I Keyl 4 I Label ! Label I 1 I I , I I I , I IKevj 5 II I I I I' 8 24 4096 4 80 1024 44 96 RO R1 R2 R3 uutJutJu 8 4096 50 • • • 4096 50 4096 RO R22 R23 R24 8 4096 50 4096 50 4096 2305 Models 1 and 2 Record Layout 44 96 4096 I II Chapter 3. The Format Service Program 77
Cylinder 0 Track 0 Record number Description Number of Bytes All Cylinders Except 0 Track 0 Record Description Number of Bytes Track 11 Record Description Number of Bytes RO R1 R2 D D Check- point 8 24 4096 RO R1 R2 DDD 8 4096 4096 • • • RO R23 R24 DDD 8 4096 4096 Figure 3-16. 3340 Record Layout R3 I Key I Label I I I 4 80 78 IBM VM/370 Service Routines Program Logic R4 R5 R6 I I Allocation Key IFormat Key I Format Byte I 4 I 5 Map I Label I Labef I _1 1024 44 96 44 96