On Fri, 6 Aug 2010 18:16:32 -0700, Gibney, Dave <gib...@wsu.edu> wrote:
>> -----Original Message----- >> From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On >> Behalf Of Pinnacle >> Sent: Friday, August 06, 2010 5:39 PM >> To: IBM-MAIN@bama.ua.edu >> Subject: Re: z/OS V1.11 and DFHSM performance >> >> ----- Original Message ----- >> From: "Lizette Koehler" <stars...@mindspring.com> >> Newsgroups: bit.listserv.ibm-main >> Sent: Friday, August 06, 2010 5:14 PM >> Subject: Re: z/OS V1.11 and DFHSM performance >> >> >> > We are probably about the same RSU Level. I will check on Monday to >> be >> > more >> > accurate. >> > >> > What WLM class is your DFHSM running at? >> > >> > Lizette >> > >> > >> >> I always run HSM SYSSTC. > >Since I don't do any kind of flash or instant back-ups, in my view, >DFHSM does nothing I can't wait for a bit. >If my CPU is to busy with important online work, TSO and batch recalls >can wait. And with virtual tape, most recalls occur pretty damn fast >anyway. > >> Exactly how it should be. That is why I don't really like questions like this because each shop has to decide what is the correct goal / business importance for themselves. BTW, I run it in an IMP=2 STC service class. Some of the HSM activities bleed over into online hours... at least at times. Very little runs IMP=1. IMP=2 is equal with CICS so it still is a high priority task. Mark -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS mailto:mzel...@flash.net Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html Systems Programming expert at http://expertanswercenter.techtarget.com/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
