Hexadecimal
Displacement -------------- 34
38
39
3C
3E 40 48 50 58
62
58 40 4A 40 40 41
48
52 40 41
48
52
48
52
48
58
6C
Field
Name OBRDEVTN DS 1F OBRSDRCT DS 1X OBRCUAPR DS 3C OBRIORTY DS 2X OBRSNSCT DS 2X OBR1SIZE EQU (*-OBRRECN)
All DASD Units OBRVOLN DS ac OBRLSKN DS ax OBRHID DS ax OBRSDRiK DS 101 OBRSENSN DS 6C OBR2SIZE EQU (*-OBRRECN) ORG OBRSDRWK OBR33SNS DS 24C OBR3SIZE EQU (*-OBRRECN) yni! ORG OBRVOLN OBRURST DS 101 OBRURSNS DS 1C lQilat ORG OBRVOLN OBR3505S DS 1C J20J !grmat ORG OBRVOLN OBRCORRL DS 11 DS 71 OBRSDR03 DS 101 OBR3203S DS 24C J21j ORG OBRVOLN OBRCORL DS 11 DS 71 OBRSDR32 DS 10X OBR3211S DS 6C 19rma! ORG OBRLSKN OBRTAPST DS 101 OBRTAPSN DS 24C ORG OBRDVDEP DS OBR342ST DS OBR3420S DS !.2.!.!at OBRLSKN 16C 201 24C S*2 CEBRFCN (Long OER) Field Descripticn, Contents, Meaning --------------------------------------
Device type Number of SIR work area
primary unit address Number of retries
Number of sense bytes Size of long OBR record voluae identification
Last seek address
Home address SDR work area Sense data
bytes base Maximum size of 2314/2319 reccrd 3350/3340/3330/2305 sense data Maximum size of 3330/3340/2305 record SDR work area Unit record sense data
3505/3525 sense data
Correlation number Reserved for IBM use SDR work area 3203 sense data
Correlation number Reserved for IBM use SDR work area
3211 sense data SDR work area 'rape sense data
Device dependent data SDR work area 3420 sense data Section 1. CP Data Areas and Ccntrol Blocks 65

OERREC (Short OBR) OERRECN provides error, sense, and other statistical data needed for error recording on a
sFecified channel-attached 1/0 device.
18 20 30 L I OBRDEVSH I 0*1 OBRCUA I -----------------------------------------------------1 OBRSDRIN I I I I I II/IIIIIIIOBR SV1 1111/111111 I I Hexadecimal Field
tisplacement Name Field Description, Contents, fteaning 18
1C
1D 20 20 2A
34 The 24-byte Header Record for the Short OER is identical tc
that of the Long OER, the description of which precedes this block. OBRDEVSH DS 1F £evice type OBRSDRSH DS 1X 0*1 Number of SIR work area bytes OBRSIZE EQU (*-OBRRECN) Size of short OBR record base OBRSIZE 1 EQU f*-OBR-R-ECN+1-) 18 Si-ze in doutlevords (X'04') OBRCUA DS 3X Channel and unit address OBRSDRIN DS 20X SDR work area ORG OBRSDRIN OBRSSDR 1 DS 10X SDR work area OBRSSDR2 DS 10X SDR work area OBRSV1 DS 1F Reserved for IBft use OBRSIZE2 EQU (*-OERRECN+7)/8 Size in doutlewcrds (X'07') 66 IBM VM/370 Data Areas and Control Block Logic