z/OS storage performance, explained: how to read RMF, CMF, SMF and DCOLLECT data. By Technical Storage, the team behind zPulse.https://technical-storage.com/enhttps://technical-storage.com/en/blog/how-to-read-zpulse-daily-mail/https://technical-storage.com/en/blog/how-to-read-zpulse-daily-mail/A zPulse daily mail comes from a scheduled study, with charts in the body and the period in the subject. Learn to read the DASD, CPU, DCOLLECT and tape mails.Sun, 25 Oct 2026 00:00:00 GMTzPulseDASDMSUTapehttps://technical-storage.com/en/blog/how-to-read-rmf-74-1-dasd-response-time/https://technical-storage.com/en/blog/how-to-read-rmf-74-1-dasd-response-time/RMF 74.1 DASD response time is IOSQ, pending, disconnect and connect time added up. Learn what each part means and in which order to read them on z/OS.Sun, 25 Oct 2026 00:00:00 GMTRMFDASDResponse timeSMFhttps://technical-storage.com/en/blog/replacing-eadm-with-zpulse/https://technical-storage.com/en/blog/replacing-eadm-with-zpulse/Replacing EADM with zPulse keeps the RMF and CMF disk analysis you know. Learn what stays, what is new, what to prepare and how the move to zPulse works.Sun, 25 Oct 2026 00:00:00 GMTDASDRMFCMFEADMhttps://technical-storage.com/en/blog/tape-mount-analysis-zos-smf-21/https://technical-storage.com/en/blog/tape-mount-analysis-zos-smf-21/SMF 21 records each tape demount with its volume, drive and error counts. See what it brings to tape mount analysis on z/OS, and what you need beside it.Sun, 25 Oct 2026 00:00:00 GMTTapeSMFTS7700RMFhttps://technical-storage.com/en/blog/zos-storage-performance-glossary/https://technical-storage.com/en/blog/zos-storage-performance-glossary/A z/OS storage performance glossary: the measurement, disk, CPU, tape and space terms of RMF, CMF and DCOLLECT data, each defined in one plain sentence.Sun, 25 Oct 2026 00:00:00 GMTGlossaryRMFDASDTapeCPU