SMF copy jobs need to run at high priority if there is any real volume. They are usually short and low impact.
Dave Gibney Information Technology Services Washington State University > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Campbell Jay > Sent: Wednesday, June 20, 2012 2:03 PM > To: [email protected] > Subject: Re: SMF volume - follow-up > > This is just type 100 - 102 records on 2 out of 11 LPARS BTW. > For some reason - the word "overkill" came to mind. > So I decided to conduct "Operation Overkill". > 36 MAN* datasets per LPAR... MAN0 - MANZ... 3337 cylinders per MAN*. > 24 hourly jobs to MOD the DUMPXY contents to virtual tape. > ( First job each day is DISP=NEW just to keep things pretty ) > > The following day we have a problem. > IEFU29 isseued "I SMF" every 3 minutes. > Here's what 1 of the 2 LPARs looked like... > > 0080 P-SYS1.FJI0.MAN0 SMFDB2 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN1 SMFDB3 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN2 SMFDB2 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN3 SMFDB3 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN4 SMFDB2 100050 91 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN5 SMFDB3 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN6 SMFDB2 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN7 SMFDB3 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN8 SMFDB2 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MAN9 SMFDB3 100050 100 DUMP REQUIRED > 0080 S-SYS1.FJI0.MANA SMFDB2 100050 24 DUMP REQUIRED > 0080 S-SYS1.FJI0.MANB SMFDB3 100050 87 ACTIVE > 0080 S-SYS1.FJI0.MANC SMFDB2 100050 0 ALTERNATE > 0080 S-SYS1.FJI0.MAND SMFDB3 100050 0 ALTERNATE > 0080 S-SYS1.FJI0.MANE SMFDB2 100050 0 ALTERNATE > 0080 S-SYS1.FJI0.MANF SMFDB3 100050 0 ALTERNATE > > Hourly copy job coundn't get enough CPU to copy out the data to virtual tape. > > The solution in this case was stopping type 100 - 102 collection. > Changing the Workload Management Class of the copy job to STCHI. > > The DUMPXY process caught up with itself in about 20 minutes. > > > Jay Campbell > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Campbell Jay > Sent: Monday, June 11, 2012 6:01 PM > To: [email protected] > Subject: SMF volume > > > Is anyone else is required to collect and retain 500,000 cylinders + of SMF > data on an LPAR in one day... > how do you handle the downstream copies ? > > Jay Campbell > > ---------------------------------------------------------------------- > 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
