I found the answer and much more here : https://www.redbooks.ibm.com/redbooks/pdfs/sg248262.pd
It suggests using strno(3) for User Catalogs, unless LSR is used. Strno(2) can be altered with idcams. -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of <David> <Mingee> Sent: Tuesday, July 19, 2022 1:28 AM To: [email protected] Subject: Catalog STRNO I would like your input on changing the DEFAULT setting of STRING NUMBER=2 for CATALOGS. I have read a few SHARE presentations that suggest changing this to 3 or (6 to 8). Curious to know The improvement in doing this? RMF and SMF records provide some info on this, but I no longer Have access to a Mainframe System. ---------------------------------------------------------------------- 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
