On 2017-03-17, at 14:44, Jesse 1 Robinson wrote: > By 'compress', I mean plain old IEBCOPY to squeeze out the gas left by > deleted members. I realize after my previous post that I now routinely create > SMPPTS% as PDSE, so compression is not an option. Back when multiple SMPPTS% > became available, SMPE/E would try to compress every PTS% that got x37. Every > time. The only thing wrong with that is the churn in I/O and CPU plus > SYSPRINT lines trying futilely on every RECEIVE to compress a full PDS. The > SMP/E OPTIONS entry allows for list of exceptions for RECOVERY, but I don't > have any DDDEFs listed there. > Oh. That COMPRESS.
Not harmful except for being wasteful. That may be a reason that SMP/E recommends allocating SMPPTS as PDSE. COMPRESS could have worked a lot better if OS/360 recorded gas in PDS directories. Irrelevant for PDSE. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
