On Wed, Dec 30, 2009 at 2:01 PM, Bob Friesenhahn < bfrie...@simple.dallas.tx.us> wrote:
> On Wed, 30 Dec 2009, Thomas Burgess wrote: > >> >> Just curious, but in your "ideal" situation, is it considered best to use >> 1 controller for each vdev or user a different controler for each device in >> the vdev (i'd guess the latter but ive been wrong before) >> > > From both a fault-tolerance standpoint, and performance standpoint, it is > best to distribute the vdev devices across controllers. With perfect > distribution, you could pull a controller and it would be as if one drive > failed in each vdev (and you can still read your data). If a controller > messes up and sends bad data, then the damage is more limited. > > I realized 2 things after i hit "send" That it made more sense in case a controller failed and 2, you already answered the question =) I'm going to go drink some coffee now and put a big reminder on the board DONT HIT SEND BEFORE coffee. Thanks =)
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