This comes up quite a bit. It all depends on who how sophisticated you think the person is who may be trying to retrieve the data is.
For 99.99% of the world, just zero'ing the disks (even multiple times if it makes you feel comfortable) is enough.
I suppose you could create some dummy data to put on the disks after you zero out the disks, then zero them out again. But that's a lot of time and effort to get you from 99.99% to 99.999%.
If you are concerned about professional, government-backed efforts to recover the data, then your only real option is to destroy the disks entirely. Bust them into thousands of pieces and dispose of those pieces in different trash containers. While this is certainly expensive since you can't return or re-use the disks, it is by far the most secure. However, there are very few people who need this level of security, but it's an option if your data abosulutely cannot ever be recovered.
Hope this helps.
-- Adam Fox NetApp Professional Services, NC adamfox@netapp.com
-----Original Message----- From: Israel, Meital [mailto:meital.israel@intel.com] Sent: Monday, July 09, 2001 8:55 AM To: NetApp Mailing List (E-mail) Subject: Deleting data on NetApp.
Hi All,
Does anyone know a utility to format the NetApp disks without being able to unformat it?
Thanks,
Meital