[DRBD-user] Possible to force QuickSync?

[Björn Stenberg]

Philipp Reisner wrote:
> No there is no way to force a QuickSync. ( If we had it, its name
> would be --shoot-myself-into-the-foot )

Apologies if this has been discussed before, but I couldn't find it with google.

Has there been any discussion about the possibility of trading bandwidth for cpu by calculating and comparing checksums of disk blocks, thus only syncing modified blocks?

-- 
Björn