DASD or XCF checkpoint or both? Were you purging output during this time?
Can you attribute the $HASP263 to *anything* occurring in JES2 at the time the message was issued from the system that wasn't complaining? -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Christian D Sent: Tuesday, August 26, 2014 6:59 AM To: [email protected] Subject: Re: Avoid JES2 Dead Lock From SDSF = > MAS ZOSA ACTIVE 1 3.53 50 50 (65,500) 501 1 ZOSB ACTIVE 2 0.12 50 50 (65,500) 150 1 -$DPCE(CKPT),DE TAILS $HASP653 PCE(CKPT) $HASP653 PCE(CKPT) NAME=CKPT,WAIT=WORK,MOD=HASPCKPT, $HASP653 SEQ=11870000, $HASP653 TIME=(2014.238,06:57:23.041928), $HASP653 ACTIVE=0,I/O=0 Chris On Tue, Aug 26, 2014 at 4:18 PM, Elardus Engelbrecht < [email protected]> wrote: > Christian D wrote: > > >Recently in one of our sandbox system we had HASP263 messages > >flooding up > in the console. > >I found a note in Manuals about Deadlock or to know how to The > >following messages are typical of poor management of HOLD, DORMANCY, > and LOCKOUT settings or are symptomatic of a system problem: > > >$HASP263 WAITING FOR ACCESS TO JES2 CHECKPOINT > > What is the lockout parameter? > > >$HASP9207 JES2 CHECKPOINT LOCK HELD > > What is the duration? > > >When issued together, these messages can be due to JES2 spending a > >lot of > time processing a specific request or because JES2 is a victim of > another problem. A useful command to help > > >diagnose this is the following: $D PERFDATA(EVENT) > > >From your experience which Parm of JES Should be tuned enough to > >avoid > the DEAD locks in future ? > > What about MASDEF HOLD= and perhaps using command $DPCE(CKPT),DETAILS > > >Any Suggestions or Pointers ? > > How busy are the volsers where your spool and checkpoints are > residing? I hope your volsers only contain those datasets. > > Check in SDSF the screen with command MAS. > > Alternatively you can re-configure you checkpoints > ($TCKPTDEF,RECONFIG=YES). Or use another set of checkpoints dsn. > > Alternatively, check your XCF and its usage. > > Groete / Greetings > Elardus Engelbrecht > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send > email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
