Something I was wondering about myself. What does the raidz toplevel (pseudo?)
device do? Does it just indicate to the SPA, or whatever module is responsible,
to additionally generate parity? The thing I'd like to know is if variable
block sizes, dynamic striping et al still applies to a single
What are these alignment requirements?
I would have thought that at the lowest level, parity stripes would have been
allocated traditionally, while treating the remaining usable space like a JBOD
the level above, thus not subject to any restraints (apart when getting close
to the parity stripe