Example of a formatted GSAM control block dump
In this example, key eye catchers are shown (in bold text) so that those sections of the dump are easier to find. Each problem is different, but diagnosing almost all GSAM problems involve at least these key areas of the dump.
* * * GSAM CONTROL BLOCKS DUMP * * *
07A010 GSAM POINTER TABLE
GPTCNTLR 800271D8 GPTERROR 00 GPTFC GHU GPTF1 0007A220 GPTF2 0004D50C
GPTF3 00000000 GPTF4 00000000 GPTGB 0007A0C0 GPTGLT 0007A060 GPTHSEVC 08
GPTMAIN 00001350 GPTMODE 00 GPTPCB 0007A090 GPTPMBLK 00009C90 GPTPSBL 00005540
GPTRS1 00009C58 GPTSAVE 00079000 GPTSZS 0800 GPTSZW 0800 GPTTRACE 00009DF0
GPTTYPE 00 GPTWORK 00079800
07A060 GSAM LOAD TABLE
GLTBSAM 8007B0C0 GLTBUFIO 00000000 GLTCBDMP 8007CCB0 GLTCNTLR 800271D8 GLTGPT 0007A010
GLTOPENB 80032118 GLTOPENV 00000000 GLTVSAM 00000000
07A090 IMS PGM CONTROL BLK
DBPCBDBD DBD37877 DBPCBFLG 02 DBPCBGB 0207A0C0 DBPCBLEV 0000 DBPCBMKL 0000000C
DBPCBNSS 0000FFFF DBPCBPRO L DBPCBSFD DBPCBSTC AM DBPCBURL 00000000
DBPCBRRA 00000000 00000000
07A0C0 GSAM BLOCK
GBBFPORT 0000 GBBLKLEN 0000 GBBLKOH1 0001 GBBLKOH2 FFE0 GBBLKREF 00000401
GBBLKSI 01C2 GBBQCB 00000000 GBBUFFER 00064CA0 GBBUFFSW 08 GBBUFNO 01
GBCDISP 0000 GBCHAIN 0007A220 GBCRTNCD 0028 GBCSEVCD 08 GBCTRS 0000
GBDCBPTR B007A178 GBDDNAME GS37877O GBDECB 0007A1D4 GBDEVTYP 208E GBDSORG 81
GBERRSW 00 GBEXLST 8607BEA2 GBGPTPTR 0007A010 GBGSAMSW 50 GBIOAREA 00093000
GBLENLEN 0000 GBLRECL 0096 GBMAXTR BB60 GBMINRCL 0000 GBNVOL 0001
GBOPENSW D1 GBPCBPTR 0007A090 GBPRTNCD 0000 GBRECFM 90 GBRECPTR 00064D36
GBREQC 6201 GBREQP 0020 GBREQU 6201 GBRPLPTR 0007A1D4 GBRRAPTR 00091B88
GBSERA 0000 GBSERR 0600 GBSUPVR 00 GBTRCALC BB60 GBTRECL 0096
GBURTNCD AM GBVLSQ 0001
07A178 DATA CONTROL BLOCK (DCB)
DCBBFTEK 06 DCBBLKCT 04FDBEBC DCBBLKSI 01C2 DCBBUFCB 01064C98 DCBBUFL 01C2
DCBBUFNO 01 DCBBUFOF 00 DCBCHECK 00C894B0 DCBCIND1 00 DCBCIND2 00
DCBCNTRL 00D57F48 DCBDDNAM DCBDEBAD 009D1554 DCBDEN AD DCBDEVT 2E
DCBDSORG 4000 DCBDVTBA FDBEBC DCBEOBR 01D57650 DCBEOBW 00D57650 DCBEODA 07BEBA
DCBEODAD 0607BEBA DCBEXLST 9007A110 DCBFDAD1 00000000 DCBFDAD2 05000104 DCBFUNC A0
DCBIFLG C8 DCBIFLGS 00 DCBIOBA 410050F0 DCBIOBAD 00005088 DCBIOBL 09
DCBKEYCN 00 DCBKEYLE 00 DCBLRECL 0096 DCBMACR 97D8 DCBMACRF 2424
DCBMODE 00 DCBNCP 01 DCBODEB 00005088 DCBOFFSR 30 DCBOFFSW 30
DCBOFLGS 92 DCBOPTCD 00 DCBPRTOV AD DCBPRTSP 00 DCBREAD 92C897D8
DCBRECFM 90 DCBREL 2EADA0 DCBRELAD 00000000 DCBRELB 002EADA0 DCBSTACK 00
DCBSVCXL 00005088 DCBSYNA 07BF68 DCBSYNAD 0907BF68 DCBTIOT 007C DCBTRBAL ADA0
DCBTRTCH 00 DCBWCPL 01 DCBWCPO 30 DCBWRITE 92C897D8
07A1D4 DECB
7F000000 00200000 B007A178 00064CA0 000050F8 00000000
064CA0 GB BUFFER
064CA0 D7C1D9E3 D5E4D460 F0F0F0F0 F0F0F940 40404040 40404040 40404040 40404040 *PARTNUM.0000009 *
064CC0 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064CE0 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064D00 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064D20 40404040 40404040 40404040 40404040 40404040 4040D7C1 D9E3D5E4 D460F0F0 * PARTNUM.00*
064D40 F0F0F0F1 F0404040 40404040 40404040 40404040 40404040 40404040 40404040 *00010 *
064D60 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064D80 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064DA0 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064DC0 40404040 40404040 40404040 D7C1D9E3 D5E4D460 F0F0F0F0 F0F0F840 40404040 * PARTNUM.0000008 *
064DE0 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064E00 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064E20 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064E40 40404040 40404040 40404040 40404040 40404040 40404040 40404040 40404040 * *
064E60 4040 * ..............................*
07A1F0 IMS PGM CONTROL BLK
DBPCBDBD DBD3787X DBPCBFLG 02 DBPCBGB 0207A220 DBPCBLEV 0000 DBPCBMKL 0000000C
DBPCBNSS 0000FFFF DBPCBPRO G DBPCBSFD DBPCBSTC DBPCBURL 00000000
DBPCBRRA 00000000 00000000
07A220 GSAM BLOCK
GBBFPORT 0000 GBBLKLEN 0000 GBBLKOH1 0001 GBBLKOH2 FFE0 GBBLKREF 00000000
GBBLKSI 01C2 GBBQCB 00000000 GBBUFFER 00000000 GBBUFFSW 00 GBBUFNO 01
GBCDISP 0000 GBCHAIN 0007A0C0 GBCRTNCD 0000 GBCSEVCD 00 GBCTRS 0000
GBDCBPTR 8007A2D8 GBDDNAME GS37877O GBDECB 0007A334 GBDEVTYP 208E GBDSORG 81
GBERRSW 00 GBEXLST 00000000 GBGPTPTR 0007A010 GBGSAMSW 00 GBIOAREA 00000000
GBLENLEN 0000 GBLRECL 0096 GBMAXTR BB60 GBMINRCL 0000 GBNVOL 0001
GBOPENSW C0 GBPCBPTR 0007A1F0 GBPRTNCD 0000 GBRECFM 90 GBRECPTR 00000000
GBREQC 0020 GBREQP 0020 GBREQU 0020 GBRPLPTR 0007A334 GBRRAPTR 00000000
GBSERA 0000 GBSERR C200 GBSUPVR 00 GBTRCALC BB60 GBTRECL 0000
GBURTNCD GBVLSQ 0000 07A2D8 DATA CONTROL BLOCK (DCB)
DCBBFTEK 00 DCBBLKCT 00000000 DCBBLKSI 01C2 DCBBUFCB 00000000 DCBBUFL 01C2
DCBBUFNO 00 DCBBUFOF 00 DCBCHECK 00000001 DCBCIND1 00 DCBCIND2 00
DCBCNTRL 00000001 DCBDDNAM GS37877O DCBDEBAD F8F7F7D6 DCBDEN 00 DCBDEVT 00
DCBDSORG 4000 DCBDVTBA 000000 DCBEOBR 01000001 DCBEOBW 00000001 DCBEODA 000001
DCBEODAD 00000001 DCBEXLST 90000000 DCBFDAD1 00000000 DCBFDAD2 00000000 DCBFUNC 00
DCBIFLG 00 DCBIFLGS F8 DCBIOBA 00000001 DCBIOBAD 00000001 DCBIOBL 00
DCBKEYCN 00 DCBKEYLE 00 DCBLRECL 0096 DCBMACR 2424 DCBMACRF F3F7
DCBMODE 00 DCBNCP 01 DCBODEB 00000001 DCBOFFSR 00 DCBOFFSW 00
DCBOFLGS 02 DCBOPTCD 00 DCBPRTOV 00 DCBPRTSP 00 DCBREAD 02002424
DCBRECFM 90 DCBREL 000000 DCBRELAD 00000000 DCBRELB 00000000 DCBSTACK 00
DCBSVCXL 00000001 DCBSYNA 000001 DCBSYNAD 00000001 DCBTIOT C7E2 DCBTRBAL 0000
DCBTRTCH 00 DCBWCPL 00 DCBWCPO 00 DCBWRITE 02002424
07A334 DECB
00000000 00800000 00000000 00000000 00000000 00000000
***END OF DUMP***