blymn@baesystems.com.au (Brett Lymn)  wrote:
 > I know it's a lot of dicking around but you may be able to narrow
 > things down by:
 > 
 > 1) splitting the mirror and checking unmirrored performance

did that. performance is fine.

 > 2) using ufs instead of lfs

not using lfs. using ufs. reported that already.