You can identify certain VTAM® control
block types in a storage dump by examining an identification code
in the first byte of the control block (offset 0). The control block
identification codes are shown in the following table. If codes are
duplicate, use other means (such as the operating environment or the
control block's context) to determine the type of control block.
Note: Internal codes that are used only by the product support
organization to assist in internal flow diagnosis are not included
in
Table 1.
Table 1. Control block ID
codesID |
Control block |
---|
00 |
SONCB |
00 |
RPL |
01 |
RPH |
03 |
FMCB |
05 |
VRBLK |
06 |
ICNCB |
07 |
LDNCB |
09 |
HALCB |
0A |
BSCLB |
0B |
VLNCB |
0C |
PCLCB |
0D |
PRWCB |
0E |
TRGCB |
0F |
ACDEB |
10 |
UECB |
11 |
DYPAB |
13 |
TRAC |
14 |
ERT |
15 |
ISTAUNCB |
16 |
ISTIPNCB |
17 |
ISTAUCPL |
19 |
PDVT |
1A |
CHAIN |
1B |
TGCB |
1E |
RCE |
24 |
OCW |
26 |
PICB |
29 |
LMPCB |
2B |
RAQ |
2C |
PAQ |
2D |
SAT |
2E |
AHNCB |
2F |
ISTALNCB |
41 |
PUSCB |
43 |
PLSCB |
45 |
POIA |
46 |
POCB |
47 |
POMCB |
48 |
PORCB |
49 |
POWE |
4C |
ERCT |
4D |
TGE |
4E |
VRWSE |
50 |
DLRPL |
52 |
LUCB |
54 |
RUPE |
54 |
TUNB |
58 |
TQE |
5A |
PRQAB |
5B |
PRBLK |
5C |
CPCB |
5E |
IEF |
60 |
NCSPL |
61 |
PST |
62 |
AMU |
62 |
NSSCB |
62 |
NSICB |
63 |
SMP |
64 |
OCB |
65 |
NACP |
66 |
CAB |
67 |
CANT |
68 |
RSQE |
69 |
RDTPL |
6A |
NOSPL |
6B |
SSIB |
6B |
CAR |
6C |
IOSIB |
6D |
ASRIT |
6D |
RANT |
6E |
GWIT |
6F |
RARB |
73 |
XCB |
74 |
PWK |
75 |
WRE |
77 |
ADJSR |
78 |
ADJSS |
7B |
RIB |
81 |
EXLST |
96 |
SIBXN |
97 |
SIBIX |
98 |
SIB |
99 |
TSCB |
9A |
TSPL |
9B |
LSCB |
9C |
CNCB |
A0 |
ACB |
A2 |
RNCA |
A3 |
ALCA |
BD |
UDT |
BE |
INT1 |
BF |
COS |
C0 |
LOGMD |
C1 |
RPL6X |
CA |
GRPCB |
D0 |
NIB |
EB |
AUTOE |
FA |
RPNCB |
FC |
TLNCB |
FD |
RWNCB |
FE |
XCNCB |
FF |
OCA |
ARB |
ARB |
ART |
ART |
AUAU |
AULIN_ARRAY |
AULN |
AULIN |
AUVT |
AUVT |
CLK |
CLK |
CLWB |
HCLW |
DAPT |
DAPTR |
FLU |
FLU |
FQPT |
FQPTB |
FRSR |
FRSRC |
FRTP |
FRTP |
HIT |
HIT |
HTMB |
HTMBK |
LNKT |
LNKTB |
LSP |
LSPL |
LUTB |
LUTAB |
MRPF |
MRPFA |
PRT |
PRTCB |
None |
RCM |
RCOR |
RCORS |
RUR |
RUR |
RTPT |
RTPTB |
SAP |
SAPCB |
SGMN |
SGMNT |
SND |
SND |
TIMB |
TIMBK |