We've been using zHPF for many years, no problems. We also just recently enabled VTOC_USE_ZHPF in DEVSUPxx, also no problems. I'd check for any missing maintenance both for z/OS and DB2 that mention zHPF. FIXCAT IBM.Function.zHighPerformanceFICON would be something to check.
Mark Jacobs Sent from ProtonMail, Swiss-based encrypted email. GPG Public Key - https://api.protonmail.ch/pks/lookup?op=get&[email protected] ------- Original Message ------- On Friday, April 14th, 2023 at 8:02 AM, Jantje. <[email protected]> wrote: > Dear Listers, > > After having wade through the last 5 years worth of posts in this list where > the word zHPF is mentioned I am now tending to my headache. And I still have > no real answer to my questions... > > I am all but a storage administrator, let that be clear. > > - Are there any gotcha's in activating zHPF? > > - Does one activate zHPF one LPAR at a time or in a big bang for all LPARs in > the sysplex? > > - Do I have to tell DB2 that zHPF has been activated for it to take advantage > of it? > > We use DB2 and some sequential datasets, but no VSAM. CICS and IMS/DC as > transaction monitors. > > Thanks and very best regards, > > Jantje. > > ---------------------------------------------------------------------- > 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
