On 02/07/2013 07:49 AM, Adam Goryachev wrote:

Well, if I can re-trim daily, and have enough clean space to work for 2
days, then I should never hit this problem.... Assuming it loses *that
much* performance....

You keep saying this, but you are only going to be trimming the
unpartitioned space.  That won't help you after the first trim.

Phil