Re: Checksumming layer

["Christian Kujau" <lists nerdbynature de>]

On Fri, January 11, 2008 12:54, Jeremy Sanders wrote:
> Is there any sort of checksumming layer that could lie between the disk
> and ext3, or be implemented as part of ext3/4?

http://www.bullopensource.org/ext4/files/ext4.txt notes:

  * journal checksumming for robustness, performance (prototype exists)
  Features like metadata checksumming have been discussed and planned for
  a bit but no patches exist yet so I'm not sure they're in the near-term
  roadmap.

...but apart from that, only ZFS comes to mind:
http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Checksums

C.
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