[TRIM] (was: [ltp] X60s/200s with SSD, encrypted disk)

Uwe Brauer linux-thinkpad@linux-thinkpad.org
Sat, 20 Jun 2015 22:19:09 +0200

   > Hi,

   > On Fri, Jun 19, 2015 at 07:38:33PM +0200, Bj=F8rn Mork wrote:

   > Not _exactly_ on my X220. The password you choose in the BIOS is
   > somewhat "mangled" before being sent to the disk, with the ATA password
   > mechanism (ATA Security Feature Set). I remember some information,
   > explaining that _what_ is sent to the disk is somehow related to the
   > keycodes of the keyboard.

   > The consequence is that, when the disk is locked in this way, it cannot
   > be unlocked on another computer (it would probably work with a same
   > model). Which could be an important feature to recover data when the
   > hardware needs to be serviced...
Thanks for your information, maybe you find the following useful

   > For this reason, I reverted back to dm-crypt software encryption,
   > because I want to be the owner of my encryption key, and I want
   > to able to unlock my disk everywhere :)

Do you mean LMV and dm-crypt. BTW does TRIM work in this setting?


Uwe Brauer=20