tag 15633 notabug close 15633 stop On 10/16/2013 08:19 AM, Peter D. wrote: > Hi, > > Is it deliberate that dd can not read from, or write to the host protected > area? Or is it a bug?
Deliberate. dd is a high level tool (the d is for data not disk). Consequently dd just requests the OS to read/write etc. > It is sensible the the OS does not normally access the HPA, but dd is not > a normal tool. > > Personally I would expect it to be able to read from the HPA and to write > to it with a suitable flag like, "--yes-I-am-reckless". > > Some jurisdictions require that hard drives be blanked before disposal. Dd > is the obvious tool for that. shred is more appropriate actually. I would think a specialized tool (when the OS is allowed access), or settings in the BIOS to disable this area is more appropriate. thanks, Pádraig.
