At Mon, 7 Jul 2014 14:48:37 +0200, Udo Grabowski (IMK) wrote: > As a first measure for single disk installations you can set > the zfs property 'copies' to a value>1. Of course, this will > cost space.
Of course. But using FEC, we might only lose 20% of the space instead of 50% of the space (as when using copies=2). That's quite a difference, I think. > Of course, full FEC coverage of the checksums would be a > GOOD thing, probably a 2 bit detection/1 bit correction scheme > to save overhead. There are too many non-ECC installations , > esp. the low cost FreeNAS installations and home PCs which can > be severely harmed by memory errors. Yes, this is what I had in mind. Thanks, :) Neal _______________________________________________ developer mailing list [email protected] http://lists.open-zfs.org/mailman/listinfo/developer
