The IOSCHECK ACTVUCBS report shows the UCBs with active I/O at
the time of the dump. This report is helpful for looking at multiple
UCBs when you suspect either a problem with a device or a hang situation.
The following output is an example of a report produced with the IOSCHECK
ACTVUCBS subcommand.
* * * I O S C H E C K D A T A * * *
IOCM: 00FDF028
+0000 VOICT.... 001E VOILN.... 0018 PST...... 81051C30
+0008 OMWPT.... 00FD0520 SSCQ..... 81053C00 MAP...... 81054EE0
+0014 SMFRR.... 812E7DEA SCOMP.... 81055D7E STIO..... 00FDF190
+0020 VOID..... 00FCF610 IOSSM.... 81055188 DIRB..... 01077820
+002C PRGID.... 812BD850 CHRB..... 0188E348 ISDT..... 0188E328
+0038 SWAP..... 81056230 SHUP..... 810595B8 OMEX..... 00FDF180
+0044 ATTBL.... 00FCF900 SYNCA.... 0188E2D0 CNT...... 8105A3D8
+0050 HSCH..... 8105A6F8 GENA..... 00FCFA08 MSCQ..... 8106C070
+005C RSVA..... 00000000 STSQ..... 8105B2E0 TCCW..... 00FDF210
+0068 SVCF..... 81052726 VARY..... 8105BB30 CNXL..... 8105D818
+0074 QCNT..... 00FF4D60 ASCB..... 00FD2C00 NSTP..... 00000000
+0080 IOWA..... 018849F8 IOWEL.... 0434 SMGSZ.... 3CE0
+0088 CPRM..... 810553E6 SCP...... 8103F306 SIOQC.... 8105DE38
+0094 SDUMP.... 0188C220 HCRS..... 810388AE ZTAB..... 01077898
+00A0 SMHDR.... 0188EBE0 SMLG..... 810551B0 SMLF..... 81055288
+00AC SMPF..... 8105532E SMMG..... 812771AC SMMF..... 81277234
+00B8 SMEG..... 8127725A SMEF..... 8127730E DPTH..... 8105E148
+00C4 LEVL..... 00FDFE30 RSUM..... 01060D60 EXHDR.... 0188EF08
+00D0 IOVTP.... 01884B10 DPSV..... 81032068 BIND..... 810616F8
+00DC SCMT..... 810656A8 CMB...... 810664F8 HSWAP.... 81066718
+00E8 DDRLV.... 09 RSV...... 000000 CSTK..... 81067078
+00F0 RSV4..... 00000000 00000000 00000000 00000000 00000000
+0104 00000000 00000000 LVTBL.... 00FE0790
+0110 FLAGS.... F0 QSCLV.... 02 I OQVR.... 01
+0113 CSSID.... 00 IOQSQ.... 0188C268 FDEV..... 81067A38
+011C ACRW..... 81069090 HIDT..... 01883758 SCHNO.... 00FCFA24
+0128 IPID..... 0106CD58 PRVT..... 0106D8F0 URGC..... 0104A658
+0134 RERPT.... 00000000 CDTSR.... 8106E098 CUIR..... 818838C8
+0140 SLFD..... 8106FA10 SLFI..... 81074BD0 IMSGA.... 818D13A0
+014C MIHQ..... 81075D70 MANI..... 81076838 CSCM..... 81076F10
IOCW: 00FD0520
+0000 IOCW..... IOCW LENW..... 0044 PGCT..... 0000
+0008 SLIH..... 8102AA00 HOTCT.... 00000000 MIHCA.... 0188E650
+0014 IOPTA.... 00000000 RSV...... 00 IPTC1.... 80
+001A SSCBT.... 0010 CDT...... 0225F400 CPAT..... 0229F3E0
+0024 CUIRQ.... 00000000 SLFCT.... 00000000 FLAG2.... F2
+002D FLAG3.... D0 RSV...... 0000 PURGQ.... 00000000
+0034 PAVE..... 01885310 IECAA.... 01885340 RSV...... 00000000
+0040 00000000
SYNC: 0188E2D0
+0000 GEN...... 00000000 PURGE.... 00000000 MGF...... 00000000
+000C SMRQE.... 00000000 SMLGB.... 00000000 EXLGB.... 00000000
+0018 CHPR..... 00000000 HOTIO.... 00000000 IOPRV.... 00000000
+0024 CDT...... 00000000 CUIRQ.... 00000000 MBIQ..... 00000000
+0030 ECB...... 00000000 CAPC..... 00000000 PAVS..... 00000000
+003C RSV...... 00000000
IODF information:
data set name: HCDSUP.IODFA5
configuration ID: GENTS
EDT ID: 00
processor name: PR90H
creation date: 94-02-28
creation time: 11:14:32
configuration description: HCDSUP IODFA5
IOS LEVEL DEFINITIONS:
01=NORMAL
02=QUIESCE
03=IOCMD
04=DAVV
05=DSTF
06=IOPM
07=SELFDESC
08=DDR
09=DYNPATH
10=DPSVAL
11=UNCRSV
12=RSETEVT
13=CHPRCVY
14=FDEV
15=SCHRCVY
16=RSVD
17=FDEV
18-32=RSVD
* * * ACTVUCBS PROCESSING * * *
________________________________________
SUBCHANNEL SET 0 DEVICES:
UCB AT 00F1AFB0: DEVICE 00415; SUBCHANNEL 0052
UCBPRFIX: 00F1AFA8
-0008 LOCK..... 00000000 IOQ...... 02375F00
UCBOB: 00F1AFB0
+0000 JBNR..... 00 FL5...... 88 ID....... FF
+0003 STAT..... 84 CHAN..... 0415 FL1...... 08
+0007 FLB...... 00 NXUCB.... 00000000 WGT...... 08
+000D NAME..... 415 TBYT1.... 30 TBYT2.... 30
+0012 DVCLS.... 20 UNTYP.... 0E FLC...... 00
+0015 EXTP..... F1AF88 VTOC..... 00010100 VOLI..... VL0415
+0022 STAB..... 10 DMCT..... 00 SQC...... 00
+0025 FL4...... A0 USER..... 0000 BASE..... 00F1ADB0
+002C NEXP..... 02100168
UCBCMXT: 00F1AF88
+0000 ETI...... 00 STI...... 00 FL6...... 09
+0003 ATI...... 40 SNSCT.... 20 FLP1..... 2A
+0006 STLI..... 00 FL7...... 08 IEXT..... 02133080
+000C CHPRM.... 00 SATI..... 00 ASID..... 0000
+0010 RSV...... 00 WTOID.... 000000 DDT...... 00FCE7B8
+0018 CLEXT.... 00F1AF48 DCTOF.... 0000 CSFLG.... 00
+001F RSV...... 00
UCBXPX: 02133080
+0000 RSTEM.... 00 MIHKY.... 0D MIHTI.... 80
+0003 HOTIO.... 40 IOQF..... 02375F00 IOQL..... 02375400
SUBCHANNEL-IDENTIFICATION:
+000C CSS ID 00
+000D IID/SSID 01
+000E NUMBER 0052
+0010 PMCW1.... 289C BI...... 0105 LPM...... F0
+0015 RSV...... 00 LPUM.....80 PIM...... F0
+0018 CHPID.... 60708090 00000000 LEVEL.... 01
+0021 IOSF1.... 08 IOTKY....00 MIHFG.... 00
+0024 LVMSK.... 00000001
ACTUAL UCB COMMON SEGMENT ADDRESS 00F1AFB0
DEVICE IS DYNAMIC
BASE UCB OF A PARALLEL ACCESS VOLUME
BASE UCB HAS BOUND ALIAS UCB 0041F AT ADDRESS 02100368
IOQ: 02375F00
+0000 ID....... IOQ CHAIN.... 02375400 IOSB..... 00FCDE2C
+000C START.... 8103F300 FLA...... 90 PRFXO.... 00
+0012 PRI...... FF TYPE..... 00 AIOQ..... 00000000
+0018 UCB...... 00F1AFB0 ASID..... 0017 CSSPR.... 00
+001F RSV...... 00 EPTR..... 023767C0
+0024 DDTWT.... 00000000 00000000 00000000 00000000 00000000
+0038 00000000 00000000 00000000 00000000 00000000
+004C 00000000 00000000 00000000 00000000 00000000
+0060 00000000 00000000 00000000 00000000 00000000
+0074 00000000 00000000 00000000 RSV...... 00000000
+0028 00000000 00000000
+0030 DDTWA.... 00000000 00000000 00000000 00000000 00000000
+0044 00000000 00000000 00000000 00000000 00000000
+0058 00000000 00000000 00000000 00000000 00000000
+006C 00000000 RSV......00000000 00000000 00000000
+007C DDTW2.... 00000000
IOQE: 023767C0
+0000 EID...... IOQE SMGFP.... 02375F80 SMGBP.... 02375E80
+000C SMGSQ.... 0188C2EC SMGFQ.... 00000000 SMRV1.... 0000
+0016 SMRV2.... 00 SMGAL.... 3C IOTCT.... 0010
+001A MIHCT.... 0010 MIHSF.... 00 RSV...... 000000
+0020 ENCLV.... 00000000 00000000 ORBUA.... 00F1AFB0
IOSB: 00FCDE2C
+0000 FLA...... 00 FLB...... 00 FLC...... 00
+0003 PROC..... 00 DVRID.... 00 FLD...... 01
+0006 ASID..... 0017 PGAD..... 87F00948 PKEY..... 01
+000D COD...... 7F OPT...... 10 OPT2..... 80
+0010 UCB...... 00F1AFB0 CCWAD.... 00000000 DSTAT.... 00
+0019 SSTAT.... 00 CSWRC.... 0000 SRB...... 00FCDE00
+0020 USE...... 07F01AF0 IOPID.... 00000000 SCHC..... 0000
+002A SNS...... 0000 IPIB..... 00000000 PCHN..... 00000000
+0034 ERP...... 00000000 PCI...... 00000000 NRM...... 87F0099E
+0040 ABN...... 87F009BA DIE...... 87F00A74 RST...... 0A3E3DD8
+004C VST...... 07F01DD8 DSID..... 00000000 LEVEL.... 00
+0055 GPMSK.... 00 DCTI..... 0000 FMSK..... 00
+0059 CKEY..... 00 MDB...... 00 MDM...... 00
+005C RSV...... 00000000 CTC...... 00000000 SKM...... 00
+0065 SKBB..... 0000 SKCC..... 0000 SKH1..... 00
+006A SKH2..... 00 SKR...... 00 XID...... IOSB
+0070 XLEN..... 0030 XFLG1.... 00 XFLG2.... 00
+0074 XSSXA.... 00000000 XIOBE.... 00000000 XRCOD.... 00
+007D XTIME.... 00 XASPR.... 0000 XIOTX.... 00000000
+0084 XIOD..... 00000000 XMSC..... 00000000 00000000
+0090 XBASE.... 00000000 XRSVF.... 00000000 00000000
IOQ: 02375400
+0000 ID....... IOQ CHAIN.... 00000000 IOSB..... 00FCC22C
+000C START.... 8103F300 FLA...... 90 PRFXO.... 00
+0012 PRI...... FF TYPE..... 00 AIOQ..... 00000000
+0018 UCB...... 00F1AFB0 ASID..... 001E CSSPR.... 00
+001F RSV...... 00 EPTR..... 023763A0
+0024 DDTWT.... 00000000 00000000 00000000 00000000 00000000
+0038 00000000 00000000 00000000 00000000 00000000
+004C 00000000 00000000 00000000 00000000 00000000
+0060 00000000 00000000 00000000 00000000 00000000
+0074 00000000 00000000 00000000 RSV......00000000
+0028 00000000 00000000
+0030 DDTWA.... 00000000 00000000 00000000 00000000 00000000
+0044 00000000 00000000 00000000 00000000 00000000
+0058 00000000 00000000 00000000 00000000 00000000
+006C 00000000 RSV...... 00000000 00000000 00000000
+007C DDTW2.... 00000000
IOQE: 023763A0
+0000 EID...... IOQE SMGFP.... 02375480 SMGBP.... 02375380
+000C SMGSQ.... 0188C2EC SMGFQ.... 00000000 SMRV1.... 0000
+0016 SMRV2.... 00 SMGAL.... 3C IOTCT.... 0010
+001A MIHCT.... 0010 MIHSF.... 00 RSV...... 000000
+0020 ENCLV.... 00000000 00000000 ORBUA.... 02100368
IOSB: 00FCC22C
+0000 FLA...... 00 FLB...... 00 FLC...... 00
+0003 PROC..... 00 DVRID.... 00 FLD...... 01
+0006 ASID..... 001E PGAD..... 87 F00948 PKEY..... 01
+000D COD...... 7F OPT...... 10 OPT2..... 80
+0010 UCB...... 00F1AFB0 CCWAD.... 00000000 DSTAT.... 00
+0019 SSTAT.... 00 CSWRC.... 0000 SRB...... 00FCC200
+0020 USE...... 07F01AF0 IOPID.... 00000000 SCHC..... 0000
+002A SNS...... 0000 IPIB..... 00000000 PCHN..... 00000000
+0034 ERP...... 00000000 PCI...... 00000000 NRM...... 87F0099E
+0040 ABN...... 87F009BA DIE...... 87F00A74 RST...... 0A3F7DD8
+004C VST...... 07F01DD8 DSID..... 00000000 LEVEL.... 00
+0055 GPMSK.... 00 DCTI..... 0000 FMSK..... 00
+0059 CKEY..... 00 MDB...... 00 MD...... 00
+005C RSV...... 00000000 CTC...... 00000000 SKM...... 00
+0065 SKBB..... 0000 sKCC..... 0000 SKH1..... 00
+006A SKH2..... 00 SKR...... 00 XID...... IOSB
+0070 XLEN..... 0030 XFLG1.... 00 XFLG2.... 00
+0074 XSSXA.... 00000000 XIOBE.... 00000000 XRCOD.... 00
+007D XTIME.... 00 XASPR.... 0000 XIOTX.... 00000000
+0084 XIOD..... 00000000 XMSC..... 00000000 00000000
+0090 XBASE.... 00000000 XRSVF.... 00000000 00000000
UCB AT 02100368: DEVICE 0041F; SUBCHANNEL 0084
UCBPRFIX: 02100360
-0008 LOCK..... 00000000 IOQ...... 02375400
UCBOB: 02100368
+0000 JBNR..... 00 FL5...... 88 ID....... FF
+0003 STAT..... 04 CHAN..... 041F FL1...... 08
+0007 FLB...... 00 NXUCB.... 00000000 WGT...... 08
+000D NAME..... 41F TBYT1.... 30 TBYT2.... 10
+0012 DVCLS.... 20 UNTYP.... 0E FLC...... 00
+0015 EXTP..... 100341 VTOC..... 00000000 VOLI..... 00000000 0000
+0022 STAB..... 00 DMCT..... 00 SQC...... 00
+0025 FL4...... 10 USER..... 0000 BASE..... 00F1ADB0
+002C NEXP..... 02100168
UCBCMXT: 02100340
+0000 ETI...... 00 STI...... 00 FL6...... 09
+0003 ATI...... 00 SNSCT.... 18 FLP1..... 2A
+0006 STLI..... 00 FL7...... 08 IEXT..... 02133760
+000C CHPRM.... 00 SATI..... 00 ASID..... 0000
+0010 RSV...... 00 WTOID.... 000000 DDT...... 00FCE7B8
+0018 CLEXT.... 00F1AF48 DCTOF.... 0000 CSFLG.... 00
+001F RSV...... 00
UCBXPX: 02133760
+0000 RSTEM.... 00 MIHKY.... 04 MIHTI.... 00
+0003 HOTIO.... 40 IOQF..... 00000000 IOQL..... 00000000
SUBCHANNEL-IDENTIFICATION:
+000C CSS ID 00
+000D IID/SSID 01
+000E NUMBER 0084
+0010 PMCW1.... 289C MBI...... 010F LPM...... F0
+0015 RSV...... 00 LPUM..... 80 PIM...... F0
+0018 CHPID.... 60708090 00000000 LEVEL.... 01
+0021 IOSF1.... 08 IOTKY.... 00 MIHFG.... 00
+0024 LVMSK.... 00000001
ACTUAL UCB COMMON SEGMENT ADDRESS 02100368
DEVICE IS DYNAMIC
BOUND PAV-ALIAS UCB
BASE UCB 00415 IS AT ADDRESS 00F1AFB0
ACTVUCBS SUMMARY:
COUNT OF CONTROL BLOCKS CHECKED
CONTROL BLOCK COUNT
------------- -----
UCB 3589
TAPE 253
COMM 231
DASD 1019
DISP 981
UREC 65
CHAR 0
CTC 1040
IOQ 2
IOSB 2
UCBCMXT: 00F11C98
+0000 ETI...... 00 STI...... 00 FL6...... 09
+0003 ATI...... 40 SNSCT.... 20 FLP1..... A2
+0006 STLI..... 00 FL7...... 40 IEXT..... 02310968
+000C CHPRM.... 00 SATI..... 00 ASID..... 00B4
+0010 RSV...... 00 WTOID.... 000000 DDT...... 00FCD2BC
+0018 CLEXT.... 00F11CE8 DCTOF.... 0000 RSV...... 0000
UCBXPX: 02310968
+0000 RSTEM.... 00 MIHKY.... 04 MIHTI.... 01
+0003 HOTIO.... 40 IOQF..... 00F62F00 IOQL..... 00F62F00
+000C SIDA..... 0001 SCHNO.... 0121 PMCW1.... 189C
+0012 MBI...... 0118 LPM...... C0 RSV...... 00
+0016 LPUM..... 80 PIM...... C0 CHPID.... 36B6FFFF
+001C FFFFFFFF LEVEL.... 01 IOSF1.... 08
+0022 IOTKY.... 00 MIHFG.... 00 LVMSK.... 00000001
Device is installation-static
IOQ: 00F62F00
+0000 ID....... IOQ CHAIN.... 00000000 IOSB..... 07C6CC80
+000C START.... 8102B300 FLA...... 80 RESV1.... 00
+0012 PRI...... FF TYPE..... 00 AIOQ..... 00000000
+0018 UCB...... 00F11CC0 ASID..... 0001 MIHSF.... 00
+001F RSV...... 00 SMGFQ.... 00000000 SMRV1.... 0000
+0026 SMRV2.... 00 SMGAL.... 3C IOTCT.... 0000
+002A MIHCT.... 0000 RSV...... 00000000 DDTWA.... 00000000
+0034 00000000 00000000 00000000 00000000 00000000
+0048 00000000 00000000 00000000 00000000 00000000
+005C 00000000 00000000 00000000 00000000 00000000
+0070 RSV...... 00000000 SMGFP.... 00F62F80 SMGBP.... 00F62E00
+007C SMGSQ.... 014674D0
IOSB: 07C6CC80
+0000 FLA...... C0 FLB...... A0 FLC...... 00
+0003 PROC..... 00 DVRID.... 0E FLD...... 20
+0006 ASID..... 0001 PGAD..... 8133B7F8 PKEY..... 05
+000D COD...... 7F OPT...... 10 OPT2..... 80
+0010 UCB...... 00F11CC0 CCWAD.... 32D0B560 DSTAT.... 00
+0019 SSTAT.... 00 CSWRC.... 1000 SRB...... 07C6CCF0
+0020 USE...... 07C6CC00 IOPID.... 00000000 SCHC..... 4029
+002A SNS...... 0000 IPIB..... 00000000 PCHN..... 00000000
+0034 ERP...... 00000000 PCI...... 8133B898 NRM...... 8133C356
+0040 ABN...... 8133C564 DIE...... 8133BFC0 RST...... 32D0B558
+004C VST...... 07C3E558 DSID..... 00000000 LEVEL.... 01
+0055 GPMSK.... 00 DCTI..... 0001 FMSK..... 88
+0059 CKEY..... 08 MDB...... 00 MDM...... 00
+005C RSV...... 00000000 CTC...... 00000000 SKM...... 00
+0065 SKBB..... 0000 SKCC..... 02DD SKH1..... 00
+006A SKH2..... 03 SKR...... 0B
UCB AT 00F2E178: DEVICE 0080A; SUBCHANNEL 0698
UCBPRFIX: 00F2E170
-0008 LOCK..... 00000000 IOQ...... 00F63280
UCBOB: 00F2E178
+0000 JBNR..... 00 FL5...... 8A ID....... FF
+0003 STAT..... 8C CHAN..... 080A FL1...... 08
+0007 FLB...... 00 NXUCB.... 00F2E1F8 WGT...... 00
+000D NAME..... 80A TBYT1.... 30 TBYT2.... 30
+0012 DVCLS.... 20 UNTYP.... 0F FLC...... 00
+0015 EXTP..... F2E150 VTOC..... 001E0100 VOLI..... PGT80A
+0022 STAB..... 50 DMCT..... 00 SQC...... 00
+0025 FL4...... 00 USER..... 0001
UCBCMXT: 00F2E150
+0000 ETI...... 00 STI...... 00 FL6...... 09
+0003 ATI...... 40 SNSCT.... 20 FLP1..... A2
+0006 STLI..... 00 FL7...... 40 IEXT..... 02325FC8
+000C CHPRM.... 00 SATI..... 00 ASID..... 00B4
+0010 RSV...... 00 WTOID.... 000000 DDT...... 00FCD2BC
+0018 CLEXT.... 00F2E1A0 DCTOF.... 0000 RSV...... 0000
UCBXPX: 02325FC8
+0000 RSTEM.... 00 MIHKY.... 04 MIHTI.... 01
+0003 HOTIO.... 40 IOQF..... 00F63280 IOQL..... 00F63280
+000C SIDA..... 0001 SCHNO.... 0698 PMCW1.... 189C
+0012 MBI...... 0467 LPM...... C0 RSV...... 00
+0016 LPUM..... 40 PIM...... C0 CHPID.... 1E8CFFFF
+001C FFFFFFFF LEVEL.... 01 IOSF1.... 08
+0022 IOTKY.... 00 MIHFG.... 00 LVMSK.... 00000001
Device is installation-static
IOQ: 00F63280
+0000 ID....... IOQ CHAIN.... 00000000 IOSB..... 07C56C80
+000C START.... 8102B300 FLA...... 80 RESV1.... 00
+0012 PRI...... FF TYPE..... 00 AIOQ..... 00000000
+0018 UCB...... 00F2E178 ASID..... 0001 MIHSF.... 00
+001F RSV...... 00 SMGFQ.... 00000000 SMRV1.... 0000
+0026 SMRV2.... 00 SMGAL.... 3C IOTCT.... 0000
+002A MIHCT.... 0000 RSV...... 00000000 DDTWA.... 00000000
+0034 00000000 00000000 00000000 00000000 00000000
+0048 00000000 00000000 00000000 00000000 00000000
+005C 00000000 00000000 00000000 00000000 00000000
+0070 RSV...... 00000000 SMGFP.... 00F63300 SMGBP.... 00F63F80
+007C SMGSQ.... 01467450
IOSB: 07C56C80
+0000 FLA...... C0 FLB...... A0 FLC...... 00
+0003 PROC..... 00 DVRID.... 0E FLD...... 20
+0006 ASID..... 0001 PGAD..... 8133B7F8 PKEY..... 05
+000D COD...... 7F OPT...... 10 OPT2..... 80
+0010 UCB...... 00F2E178 CCWAD.... 33698260 DSTAT.... 00
+0019 SSTAT.... 00 CSWRC.... 0000 SRB...... 07C56CF0
+0020 USE...... 07C56C00 IOPID.... 00000000 SCHC..... 4029
+002A SNS...... 0000 IPIB..... 00000000 PCHN..... 00000000
+0034 ERP...... 00000000 PCI...... 8133B898 NRM...... 8133C356
+0040 ABN...... 8133C564 DIE...... 8133BFC0 RST...... 33698258
+004C VST...... 07C6C258 DSID..... 00000000 LEVEL.... 01
+0055 GPMSK.... 00 DCTI..... 0000 FMSK..... 88
+0059 CKEY..... 08 MDB...... 00 MDM...... 00
+005C RSV...... 00000000 CTC...... 00000000 SKM...... 00
+0065 SKBB..... 0000 SKCC..... 02A8 SKH1..... 00
+006A SKH2..... 0C SKR...... 04
________________________________________
ACTVUCBS SUMMARY:
Count of control blocks checked
Control block Count
------------- -----
UCB 2192
TAPE 47
COMM 5
DASD 1918
DISP 32
UREC 14
CHAR 0
CTC 176
IOQ 2
IOSB 2
Messages issued: 0
* * * I O S C H E C K C O M P L E T E * * *