If it were a single drive in a Raid 5 type configuration, I'd guess it would be totally impossible. But in a Raid 1 (mirrored), why not? Each drive contains the entire set of bits. But I don't know that for sure. It's just a SWAG.
-- John McKown Systems Engineer IV IT Administrative Services Group HealthMarkets(r) 9151 Boulevard 26 * N. Richland Hills * TX 76010 (817) 255-3225 phone * [email protected] * www.HealthMarkets.com Confidentiality Notice: This e-mail message may contain confidential or proprietary information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. HealthMarkets(r) is the brand name for products underwritten and issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake Life Insurance Company(r), Mid-West National Life Insurance Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM > -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[email protected]] On Behalf Of Grinsell, Don > Sent: Friday, June 08, 2012 4:16 PM > To: [email protected] > Subject: Failed Disk Data Exposure > > Here's a Friday topic: With modern disk arrays, e.g. DS8000, > what is the real exposure of meaningful residual data being > recovered from a single drive out of the array. I can't seem > to find anything definitive other than a lot of "data may be > recoverable" statements from vendors selling secure erase > services. Just curious if anybody has any hard data to > demonstrate an exposure or not. > > ________________________________ > Donald Grinsell > State of Montana > 406-444-2983 > [email protected]<mailto:[email protected]> > "Any fool can write code that a computer can understand. Good > programmers write code that humans can understand." ~ Martin Fowler > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN

