> You are describing the copies parameter.  It really
> helps to describe
> it in pictures, rather than words.  So I did that.
> http://blogs.sun.com/relling/entry/zfs_copies_and_data
> _protection
>  -- richard

It's not quite like copies as it's not actually a copy of the data I'm talking 
about. 10% parity or even 5% could easily fix most disk errors that won't 
result in a total disk loss.

Basically something like par archives.

"Only useful for simple workstations" isn't exactly "only" in my book. That 
would account for what, 90% of all computers? (97% of statistics are made up)

Uep: Yeah it could be implemented by extending the checksum in some way.

I don't see a performance issue if it's not enabled by default though.
-- 
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