Greetings!
I am in the process of retiring 3 RAMAC 2 racks, each with a 3990 mod 6 controller, and 1 RAMAC 3 rack, with a 9293 controller. All data has been moved to new DASD. The RAMAC DASD will be surplused so I have to be sure that the data has been wiped clean and nothing is recoverable - w ithout physically damaging the devices. All of the DASD is 3390-3. For the RAMAC2 data wipe I have been using ICKDSF release 17.0 TRKFMT UNITADDRESS(B40) VERIFY(ZSDLZ6) ERASEDATA - CYLRANGE(0,5000) CYCLES(4) That takes about 20 minutes per cycle. Our maintenance vendor recommended 4 cycles. That seems to be proceeding fine. I am having a problem with the RAMAC 3. I tried the same coding with the RAMAC 3 and it took about 5 hours to run (per address) as compared to roughly 1 hour 20 minutes on the RAMAC 2 . All devices are 3390-3, each controller has 4 paths, low system activity generally with no other work on these strings, and the long run time was consistent for several packs on the RAMAC 3. Should I use some other ICKDSF command to wipe the RAMAC3? Any t houghts on why the run time would be so mu ch longer for the RAMAC3? Do you consider the 4 passes with TRKFMT enough to be sure that the data is really gone? TIA, Linda Mooney ---------------------------------------------------------------------- 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
