On 09/12/17 23:36, Rich Freeman wrote:
> you instead compute 5 sets of parity so that now you have 9 sets of
> data that can tolerate the loss of any 5, then throw away the sets
> containing the original 4 sets of data and store the remaining 5 sets
> of parity data across the 5 drives.  You can still tolerate the loss
> of one more set, but all 4 of the original sets of data have been
> tossed already.

Is that how ZFS works?

Cheers,
Wol

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