> From: Gregg Wonderly [mailto:gregg...@gmail.com]
> > There is no automatic way to do it.
> For me, this is a key issue.  If there was an automatic rebalancing
> that same mechanism would work perfectly to allow pools to have disk sets
> removed.  It would provide the needed basic mechanism of just moving stuff
> around to eliminate the use of a particular part of the pool that you
> to
> remove.

Search this list for bp_rewrite.  There are many features that are dependent
on this feature - rebalance, defrag, vdev removal, toggle compression or
dedup for existing data, etc.  It's long since requested by many people, but
apparently fundamentally difficult to do, or something.

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