Barry, But you can still find credit card numbers, names and addresses in the clear. A jigsaw puzzle is does not equal encryption. Same applies to compression.
Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of Schwarz, Barry A > Sent: Tuesday, July 15, 2008 1:40 PM > To: [email protected] > Subject: Re: [IBM-MAIN] Clearing out DASD > > If your DASD does anything similar to the STK SVA 9500 I have, MVS > software becomes irrelevant. Every time a track is written to, the > hardware places the entire track's data in a new set of "sectors" on > some physical hard disk in the box. All this is done invisibly to MVS. > You basically never know where the physical write will go to and > therefore cannot tell if there are any sectors which have not been > over-written. Unless the DASD hardware comes with something akin to > "data destruct" with some kind of certification regarding how it is > implemented, you really cannot do a DOD acceptable clear. I doubt if > it > would satisfy HIPAA or SOX either. > > -----Original Message----- > From: Lizette Koehler [mailto:snip] > Sent: Tuesday, July 15, 2008 12:26 PM > To: [email protected] > Subject: Clearing out DASD > > I have a need to do a DOD type clearing of some dasd before it is > returned to the vendor. > > I found the CBT Tape entry (737) but was wondering if there is another > one out there that will write Binary 0's and 1's for the number of > times > I specify? I do not have DITTO. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
