John Eells wrote: >I asked Development about this, causing some head-scratching. They'd like you >to open a PMR so they can dig into why this could be happening.
Possibly hardware error - a PMR is an excellent suggestion. If there is a PMR, ask them to check EACH tape/cartridge individual response times and from WHAT unit of each drive. (Same question Tim Hare also asked earlier) To Tony: Please repeat the whole restore with another set of backup+restore volsers [ and perhaps to other tape UNITS ] to see if timings are the same or not. Just a guess, but are your volsers already pre-INIT or not or are they 'true' VTS (i.e., not really physical storage media)? I am confused by your two [conflicting?] statements, this is why I ask above question: "We are talking real physical 3590 tape drives. (2g ficon)" and "Tapes are not rewinding and repositioning between backup files." Do you have PPRC from/to your DR site? (Yes, I know you said "Same physical CPU, same Disk, same tape drives.", but PPRC may or may not be affecting your writing timings.) Are you getting channel errors? [1] Groete / Greetings Elardus Engelbrecht [1] - That channel errors bit me and others hard causing slow usage of tape/cartridge. That was until many parts were physically replaced. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
