Darren Dunham wrote:
That would be useless, and not provide anything extra.
I think it's useless if a (disk) block of data holding RAIDZ parity
never has silent corruption, or if scrubbing was a lightweight operation
that could be run often.
The problem is that you will still need to perform a periodic scrub
because you can't be sure that all data will be read during normal
operation. So it doesn't make sense to me to (further) penalize
every read, when doing so does not remove the need for scrub.
-- richard
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