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Troubles when Jes2 queue is full

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1 . Emergency   actions if warning  limits  reached or  full   JES2

                    1.1. Warning limits reached

                    1.2. JES2 queue is 100 % full

2 . JES2     offload on tape and delete

                    2.1. BACKUP/OFFLOAD  of   JES2 – Q to tape

                    2.2. RESTORE/OFFLOAD  from  TAPE  to JES-Q

If  a message appears  that JES2 queue is full  and nobody can logon in TSO,  then some Emergency   actions should be performed to reanimate  the system. If a warning message  appears that JES2 limit is reached,  some actions are necessary to avoid the status of  JES2 full.    In the all cases above  go to item 1 (Emergency   actions if warning  limit reached or  full   JES2) of the Contents.

If  you have a care about the JES2 queue properly  processing and maintenance (not to be 100% full when stops  z/OS functioning),  go to item 2 (JES2     offload on tape and delete) of the Contents.

           1 . Emergency   actions if warning  limits  reached or  full   JES2

                     1.1. Warning limits reached

The first step is to display OUTDEF and  JOBDEF limits .

                             1.1.1.  $d  OUTDEF          – display the  maximum number of job output  queue elements  (JOENUM=20000),  number of free job output  queue elements     (JOEFREE=11879)     and      the maximum %  reached before warning message is  issued     (JOEWARN=80).

$D OUTDEF                                                      

$HASP836 OUTDEF 361

$HASP836 OUTDEF  BRODCAST=NO,COPIES=30,DMNDSET=NO,JOENUM=20000,

$HASP836         JOEFREE=11879,JOEWARN=80,OUTTIME=CREATE,

$HASP836         PRTYLOW=0,PRTYHIGH=255,PRTYOUT=NO,PRYORATE=0,

$HASP836         SEGLIM=100,STDFORM=STD,USERSET=NO

(for 20000-11879=8121 job output  queue elements used= 8121:20000=40.6%  from 20000 used < 80 % – no problem with outdef for  maximum number of job output  queue elements –  JOES!)

When maximum output  queue elements (JOEWARN in OUTDEF) warning limit is  reached then   appears:

*$HASP050 JES2 RESOURCE SHORTAGE OF JOES – 36% UTILIZATION REACHED

 for  OUTDEF with:    JOENUM=20000, JOEFREE= 12618 and JOEWARN=36 (JOEWARN calculation: 20000 – 12618=7382 output elements used= 7382:20000=36.91%  from 20000 used).

If delete/purge some job outputs or   set JOEWARN  from 36  to 37 (with /$T OUTDEF, JOEWARN=37) –  message *$HASP050 for JOES will disappear.

                              1.1.2. $D JOBDEF        – display the  maximum number of jobs on JES2 queue (JOBNUM=8000),  free number of jobs    (JNUMFREE=4364), the maximum %  of used  numbers  of jobs reached before warning message JNUM  is  issued     (JNUMWARN=80), base number of system  jobs (JNUMBASE=718), free jobs queue entries (JOBFREE=2365), the maximum %  of used  job queue entries  reached before warning message JQES  is  issued     (JOBWARN=80).

$D JOBDEF                                                      

$HASP835 JOBDEF 363

$HASP835 JOBDEF  ACCTFLD=OPTIONAL,BAD_JOBNAME_CHAR=?,

$HASP835         CNVT_ENQ=FAIL,JCLERR=NO,JNUMBASE=718,

$HASP835         JNUMFREE=4364,JNUMWARN=80,JOBFREE=2365,

$HASP835         JOBNUM=8000,JOBWARN=80,PRTYHIGH=10,

$HASP835         PRTYJECL=YES,PRTYJOB=YES,PRTYLOW=5,PRTYRATE=0,

$HASP835         RANGE=(1,9999),RASSIGN=YES,DUPL_JOB=DELAY

(for  80004364=3636 + 718 =4354:8000=54.42%  used numbers from 8000 < 80 % – no problem with jobdef  for maximum numbers  of jobs – JNUM!)

(for  8000-2365=5635 existing job queue  entries included TSU,STC= 5635:8000=70.04% reached  job queue  entries  from 8000 < 80 %  – no problem with JOBDEF for maximum % usage  of jobs queue entries – JQES!)

 – When the maximum number of jobs on JES2 queue (JNUMWARN in JOBDEF) warning limit is  reached then   appears:

 $HASP050 JES2 RESOURCE SHORTAGE OF JNUM – 56% UTILIZATION REACHED

 for JOBDEF with: JOBNUM=8000, JNUMFREE=4361, JNUMBASE=727 (included TSU,STC) and  JNUMWARN= 56 (JNUMWARN calculation: 80004361=3639 + 727 =4366:8000=54.575% from JOBNUM   are used). You must purge jobs  on JES2 queue to increase  JNUMFREE=4361 (after purge INIT jobs   JNUMFREE=5102 and warning $HASP050 disappears) to  go   bellow JNUMWARN= 56  (80005102=2898 + 727 =3625:8000=45.31%)  but  if set   JNUMWARN=48 then   again warning appears:

$HASP050 JES2 RESOURCE SHORTAGE OF JNUM – 48% UTILIZATION REACHED

 To disappear message  $HASP050  for  JNUM –  increase the  new  limit   to 49 with  (/$T JOBDEF,JNUMWARN=49).

– When the maximum % usage  of jobs queue entries (JOBWARN in JOBDEF)  warning limit is  reached then   appears:

*$HASP050 JES2 RESOURCE SHORTAGE OF JQES – 61% UTILIZATION REACHED

 for  JOBDEF with: JOBNUM=8000, JOBFREE= 3103  and   JOBWARN=61 (JOBWARN  calculation: 8000-3103=4897 jobs queue entries existing   included TSU,STC= 4897:8000=61.212% from 8000 reached job entries). To disappear message  $HASP050  for  JQES you must icrease limit JOBWARN from 61 to 62 (with /$T JOBDEF,JOBWARN=62) or to purge  some jobs from JES2  queue.  To change PERMANENTLY the old definitions of JOBDEF and OUTDEF,   edit member JES2IPRMof library  SYS1.PARMLIB(JES2IPRM) for JOBDEF and OUTDEF parameters and do a new  IPL.

                     1.2. JES2 queue is 100 % full

If the JES2 queue is 100 % full the following message appears  and nobody can logon in TSO.

*$HASP050 JES2 RESOURCE SHORTAGE OF JQES100% UTILIZATION REACHED

In dependence  of the limit type  JQES may be  replaced by JOES or  JNUM.

The next steps should be performed from system console:

– investigate which is missing – space or free entries for JES2 queue:

Display Space: $dspl – verify  spool utilization % of available volumes BC2SP1-4 (if not enough –add or if more – delete):             

$DSPL .                                            

$HASP893 VOLUME(BC2SP1)  STATUS=ACTIVE,PERCENT=21

$HASP893 VOLUME(BC2SP2)  STATUS=ACTIVE,PERCENT=21

$HASP893 VOLUME(BC2SP3)  STATUS=ACTIVE,PERCENT=12

$HASP893 VOLUME(BC2SP4)  STATUS=ACTIVE,PERCENT=13

$HASP646 17.3792 PERCENT SPOOL UTILIZATION

 The $HASP646 message displays the total percent spool utilization for the complex of all active spool volumes             (17.3792 = 21 +21 +12 + 13 = 67% : 4 = 16.75 %)

Display Free entries for: Jes queue entries and job numbers (purge jobs in JES2 to minimize  queue):

$d  outdef          – display the  maximum number of job output  queue elements       and the maximum %  reached before warning message is  issued (look item 1.1.1).

$D JOBDEF    – display job definitions in JES2  for    maximum numbers  of jobs    and  maximum % usage  of jobs queue entries  (look item 1.1.2).

– delete/purge  Job entries from CPU console:

$p o jobq,jm=bpxa* – purge all jobs with prefix      ‘bpxa’  to free entries

– find the jobs that are generating outputs and filling up the JES2 queue – and purge this outputs:

$djq,spl=(%>5) – Display all jobs which occupy more than 5% of the spool

$DJQ,SPL=%>1 – Display spool jobs with the maximum spool lines occupied:

$d o jobq,jm=bpx*      – Display all jobs with prefix  ‘bpx’

$djq,a>5,q=ppu – Display all jobs on the print/punch queue more than 5 days old

$djq,q=ppu,type=tsu – Display all TSUs on the print/punch queue (eligible to be deleted)

$djq’ BC2AC10A ‘,spl – Display spool percent occupied by the named job

$djq,q=ppu,userid – Display userid associated with jobs on print/punch queue

$DJQ,Q=PPU,USERID=RACF – Display only jobs  with userid = RACF

$da,x – Displays all jobs, including TSU and STC

$daDisplay active jobs

–       Display system activity after system is released and running

d a   – Display the system  activity

IEE114I 15.23.18 2013.023 ACTIVITY 932

JOBS     M/S    TS USERS    SYSAS    INITS   ACTIVE/MAX VTAM     OAS

 00002    00019    00001                     00026    00039    00001/00010              00009 

(The number of address spaces running under initiators/ JOBS /,  The number of address spaces created by a MOUNT or START command, but not an initiator (M/S), TS users number, The number of system address spaces /SYSAS/, The number of active/max  TSO/E address spaces using the VTAM, The number of started JES / INITS/ , The total number of z/OS UNIX address spaces on this system / OAS / )

d a,l – Display all pending active system jobs

d r,l – Display all pending Requests

d ts    – Display the  number of active TSO users

JOBS     M/S    TS USERS    SYSAS    INITS   ACTIVE/MAX VTAM     OAS

00002    00017    00001           00026    00039    00001/00010       00007

d  ts,a – Display the active TSO users

00002    00017    00001      00026    00039    00001/00010       00007

BCA1MGP IN      A=0026   PER=NO   SMC=000  PGN=N/A  DMN=N/A  AFF=NONE

CT=001.246S  ET=933.720S

WUID=TSU01228

WKL=TSO      SCL=TSO      P=1

RGP=N/A      SRVR=NO  QSC=NO

– if IPL is performed and JES2 can’t be started because JES2 queue is 100% full, all commands should be issued from the console  of this LPAR.

– if the system volumes or JES2 queue are saved it is possible to stop JES2 with command from the console:

$p  jes2,abend –  with reply – xx,end.

and start JES2 with:

$s  jes2,PARM=(COLD) – to clear JES2 queue and start it cold. (all job queue entries and job output elements are cleared and formatted.)                 

          2 . JES2     offload on tape and delete

 The following procedures  bellow are performed  every day (or if needed) depending on circumstances and the z/OS system load.

                     2.1. BACKUP/OFFLOAD  of   JES2 – Q to tape

 Displays parameters of transmitter to tape ($DOFF1.ST)

Set parameters  changes of transmitter to tape ($TOFF1.ST)

Displays parameters of the day ($DOFFLOAD1)

Set parameters changes  of the day ($TOFFLOAD1)

OFF1.ST  STATUS=STARTABLE,CREATOR=,DISP=KEEP,  – to stay in JES

OFF1.ST  STATUS=STARTABLE,CREATOR=,DISP=DELETE,  – to be deleted  in JES

Start offload transmit to tape ($SOFFLOAD1,TYPE=TRANSMIT)

Stop  offload transmit to tape ($POFFLOAD1)

 To find more information about the steps above, go to  item   4.BACKUP/OFFLOAD  of   JES2 – Q to tape  using   the link   JES2_ job_ processing.

                     2.2. RESTORE/OFFLOAD  from  TAPE  to JES-Q

Displays parameters of receive – $DOFF1.SR

Set parameters changes  of receive from tape ($TOFF1.SR)

Displays parameters of the day for restore  ($DOFFLOAD1)

Set parameters changes  of the day for  restore ($TOFFLOAD1)

Start offload receive from tape ($SOFFLOAD1,TYPE=RECEIVE)

Stop  offload receive from tape ($POFFLOAD1)

Temporary stop of offload ($ZOFFLOAD1)

  To find more information about the steps above, go to item   5. RESTORE/RELOAD  from  JES-Q TAPE  using  the link   JES2_ job_ processing.

End

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