> It's not about the checksum but about how a fs block is stored in
> raid-z[12] case - it's spread out to all non-parity disks so in order
> to read one fs block you have to read from all disks except parity
> disks.

However, if we didn't need to verify the checksum, we wouldn't
have to read the whole file system block to satisfy small reads.

Anton
 
 
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