On 28 Jul 2009 07:00:09 -0700, in bit.listserv.ibm-main you wrote: >DF/DSS Defrag - TYPRUN=NORUN to get cchhr of original dataset > >AMASPZAP or IDCAMS w/ABSTR allocation to print the contents of that location > ><snip> >I need to show that some deleted datasets have been 'cleared' (using RACF >erase-on-scratch). > >I only have a 'standard' set of IBM utilities, no 'optional extras' - is there >anything I can use to: > >- Determine where on a disk a given file is located; >- Print (preferably in dump format) the contents of the disk at that location. > >I then need to delete the dataset, and do the print task(s) again, to show >that the data is gone. > >I don't really have enough time to write anything of my own, I have to do this >in the next day or so.. > ></snip> > With the newer DASD where the z/OS location may change actual disk location upon deletion of a data set, how do you prove the true disk area has been wiped? How do you find out the true location(s) of the data set in the first place? There can be multiple z/OS disks on a single true disk or the multiple z/OS disks can be split among some different number of true disks.
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