>I wouldn't de-duplicate without actually verifying that two blocks were >actually bitwise identical.
Absolutely not, indeed. But the nice property of hashes is that if the hashes don't match then the inputs do not either. I.e., the likelyhood of having to do a full bitwise compare is vanishingly small; the likelyhood of it returning "equal" is high. Casper _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
