I agree. People need to remember that case 2 is not just a DASD box
going out, it includes a single drive replacement in the array.
Depending on the degree of fragmentation caused by the striping, you may
or may not be able to get any usable info from the single drive. When in
doubt, assume it contains your own SSN, DOB, DL#, bank and credit card
information and treat accordingly. 

As for printing what the auditor wants to see, DSS PRINT command will do
this for specific tracks. I think FDR has the same ability.

Dennis Roach
GHG Corporation
Lockheed Martin Mission Services
Facilities Design and Operations Contract
NASA/JSC
Address:
   2100 Space Park Drive 
   LM-15-4BH
   Houston, Texas 77058
Mail:
   P.O. Box 58487
   Mail Code H4C
   Houston, Texas 77258
Phone:
   Voice:  (281)336-5027
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   Fax:    (281)336-5410
E-Mail:  [email protected]

All opinions expressed by me are mine and may not agree with my employer
or any person, company, or thing, living or dead, on or near this or any
other planet, moon, asteroid, or other spatial object, natural or
manufactured, since the beginning of time.


> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
> Behalf Of Vernooij, CP - SPLXM
> Sent: Thursday, July 30, 2009 9:50 AM
> To: [email protected]
> Subject: Re: Print disk map?
> 
> 
> 
> "Roach, Dennis  , N-GHG" <[email protected]> wrote in message
>
news:<[email protected]>..
> .
> > If the drives were configured for striping (RAID 5, etc) you would
> need
> > to determine the drives used in the stripe set, the tracks on those
> > drives, and the order. Doable? Yes, but at what time and cost.
> >
> > Dennis Roach
> 
> I think this thread is becoming more complicated than needed,
(remember
> the 5 systemprogrammers and the 1 ligthbulb)?
> The problem becomes much simpler when split into 2 parts:
> 1. from the z/OS dataset point of view: can data be deleted
> unrecoverably? Yes, with secure erase you cannot read it back amymore.
> This answers the OP's questin.
> 2. from the hardware point of view, e.g. when a storage devices is
> going
> to leave the company. Then you come down to the level of internal
> drives. The RAID, striping, logstructure etc. is not important
anymore.
> All data on the internal drives must be erased, regardless of how it
> used te be organized. Minor detail there is whether erased data can be
> read back by reading it shifted or other James Bond like techniques,
> but
> I tend to believe R.S.
> 
> Kees.
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