Boston Linux & Unix (BLU) Home | Calendar | Mail Lists | List Archives | Desktop SIG | Hardware Hacking SIG
Wiki | Flickr | PicasaWeb | Video | Maps & Directions | Installfests | Keysignings
Linux Cafe | Meeting Notes | Blog | Linux Links | Bling | About BLU

BLU Discuss list archive


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

ZFS and block deduplication



> From: Tom Metro [mailto:tmetro-blu-5a1Jt6qxUNc at public.gmane.org]
> 
> (Doesn't ZFS also employ overall file hashing to insure the integrity of
> a file? (Or is that the verification option you referred to?) If so,
> then that would likely thwart this attack vector.)

The data integrity hash is something much faster and weaker.  I forget
exactly what.  

If you enable dedup, I don't know if the sha256 is used instead of, or in
addition to the data integrity hash.






BLU is a member of BostonUserGroups
BLU is a member of BostonUserGroups
We also thank MIT for the use of their facilities.

Valid HTML 4.01! Valid CSS!



Boston Linux & Unix / webmaster@blu.org