Plus, unlike a PC drive, on the DS8100 the data is stripped over multiple drives. Making data recovery on individual drives an exercise in futility.
On Fri, Feb 25, 2011 at 3:00 PM, Robert A. Rosenberg <[email protected]>wrote: > At 14:34 -0600 on 02/24/2011, McBride, Catherine wrote about Re: Question > about wiping a DS8100: > > > Yes, using the web-based Storage Manager application to change the ranks >> from one format to another will certainly work. >> I was told that changing from one format to the other 3 times would be >> best. >> > > That need to switch 3 times is based on your level of desire to prevent > recovery of your data. The first switch will remove all the directory data > and overwrite all the tracks. That makes all the data vanish. However there > are forensic methods that may be able to read the erased data although it > has been overwritten. Thus the additional reformats (which makes the data > harder to find on the drive using the forensic methods). This is the same > situation as with PC Hard Drives and Secure Erase. You use a higher Secure > Erase setting to rewrite the tracks more times. Unless you expect that > someone is going to go to the trouble to do that level of data recovery, > just removing the directories and overwriting the tracks (so the data is no > longer there for normal reading or viewing the tracks) should be enough. > > > ---------------------------------------------------------------------- > 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 > -- Mark D Pace Senior Systems Engineer Mainline Information Systems ---------------------------------------------------------------------- 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
