Further to Gustin's recommendation, make sure to turn _off_ write-caching to the RAID cluster before issuing the _shred_ command. i.e. # hdparm -W0 /dev/s... Otherwise the write-cache will just commit the latest write and ignore previous ones, thwarting all efforts to securely erase the platters.
HTH, Hendrik Gustin Johnson wrote: > > I have had a couple of machines where DBAN did not recognize the > controller. What I usually do in those cases is to boot from a Ubuntu, > Knoppix, or systemrescuecd live media (CD/DVD/USB pendrive etc) and do > the following as root: > > dd if=/dev/zero of=/dev/<target> && dd if=/dev/urandom of=/dev/<target> > > You could always use the shred util included in most of those previously > mentioned live distros, I usually use the "-n 3" flag which limits shred > to 3 passes. Its default of 25 takes a really long time. _______________________________________________ clug-talk mailing list [email protected] http://clug.ca/mailman/listinfo/clug-talk_clug.ca Mailing List Guidelines (http://clug.ca/ml_guidelines.php) **Please remove these lines when replying
