On 8/7/07, Jarod Wilson <jwilson@redhat.com> wrote:
[...]
> You can add it and the re-sync generally works if the partition is not
> too busy, but it tends to be failed out of the array if it is left
> connected when the partition is very active.

I wonder if the cfs scheduler would help with this any. And/or shutting
off beagle (which likes to absolutely slaughter the i/o on my workstation).

 cfs is a cpu scheduler we already have a fair io scheduler (cfq ;) )
but cfq got some improvements too (uses a rbtree now like cfs)