best practices using LVM and e2fsck

[Edward Ned Harvey]

> From: Tom Metro [mailto:tmetro-blu-5a1Jt6qxUNc at public.gmane.org]
> 
> With Linux software RAID you can actually reduce the priority of the
> process performing the "scrub" so that the performance impact is not
> noticeable. Perhaps the same can be done with ZFS.

This is currently being worked on.  It's not available yet.