Add back scrub/resilver tunables
This is a stop-gap measure: the tuning is currently gone from the sorted scanning code, and it may not come back.
- Status changed from Needs Developer Review to Fix In Progress
It's pull-request 38 (https://github.com/freenas/os/pull/38 ) and I picked the wrong one. Set it to Fix In Progress; the PR can be reviewed, but I've also sent it to the original author, who is looking at it -- and I'm also doing testing while that's going on.