zpool split blogs.sun.com/mmusante/entry/seven_years_of_good_luck I came across this around noon today, originally on c0t0d0s0.org . More here: opensolaris.org/jive/thread.jspa?threadID=113685&tstart=60 Too bad this probably won''t make it to the final release of OpenSolaris Nevada/SXCE. :( Jerry