The results depend on the cipher-mode and the block-size, just as you say. AFAIK the default block size is 512 bytes, since dm-crypt does not operate on a filesystem. The chaining mode is used only within a sector. That means encryption has no impact on sector loss at all. Arno On Mon, Sep 17, 2007 at 12:48:56AM -0400, Eric St-Laurent wrote: > Hi, > > What is the expected result if a hard drive develop bad blocks on a > encrypted volume? I suppose only the affected bad blocks are > unrecoverable (same a the unencrypted case), not the whole volume, > right? > > Does the cipher chaining mode has any effect on this? > > Does dm-crypt work with 512 bytes block or 4096 bytes pages? > > > Best regards, > > - Eric > > > > --------------------------------------------------------------------- > dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ > To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx > For additional commands, e-mail: dm-crypt-help@xxxxxxxx > -- Arno Wagner, Dipl. Inform., CISSP --- CSG, ETH Zurich, wagner@xxxxxxxxxxxxxx GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier --------------------------------------------------------------------- dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx For additional commands, e-mail: dm-crypt-help@xxxxxxxx
