Simon Breden wrote: > Sorry for the delay. Here is the output for a couple of seconds: >
This is the smoking gun... > # iostat -xce 1 > extended device statistics ---- errors --- > cpu > device r/s w/s kr/s kw/s wait actv svc_t %w %b s/w h/w trn tot > us sy wt id > cmdk0 1.5 0.7 20.8 4.2 0.0 0.0 9.0 0 1 0 0 0 0 > 2 1 0 98 > sd0 0.3 0.2 29.4 25.1 0.1 0.0 174.5 0 0 0 0 0 0 > sd1 0.3 0.2 33.2 25.0 0.1 0.0 166.8 0 0 0 0 0 0 > sd2 0.2 0.2 26.8 24.8 0.1 0.0 180.3 0 0 0 0 0 0 > sd3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 5 0 5 > I/O is moving, but not much activity... > extended device statistics ---- errors --- > cpu > device r/s w/s kr/s kw/s wait actv svc_t %w %b s/w h/w trn tot > us sy wt id > cmdk0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 0 0 0 > 0 0 0 100 > sd0 0.0 0.0 0.0 0.0 35.0 0.0 0.0 100 0 0 0 0 0 > sd1 0.0 0.0 0.0 0.0 35.0 0.0 0.0 100 0 0 0 0 0 > sd2 0.0 0.0 0.0 0.0 35.0 0.0 0.0 100 0 0 0 0 0 > sd3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 5 0 5 > I/O is stuck at the device. %w[ait] of 100 means that something is stuck on the device. This is probably not a ZFS issue, per se, but somehow the ZFS workload triggers it. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
