> it looks like your 'sd5' disk is performing horribly > bad and except > for the horrible performance of 'sd5' (which > bottlenecks the I/O), > 'sd4' would look just as bad. Regardless, the first > step would be to > investigate 'sd5'.
Hi Bob ! I've already tried the pool without the sd5 disk (so pool in degraded mode), but the performances was still the same... So the sd5 disk itself is not the (only) bottleneck... > Use 'iostat -xen' to obtain more information, > including the number of > reported errors. iostat -xen extended device statistics ---- errors --- r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b s/w h/w trn tot device 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 9 0 9 c8t0d0 0.3 0.4 14.1 3.2 0.0 0.0 0.0 17.9 0 0 0 0 0 0 c7t0d0 65.5 6.6 1234.3 97.6 0.0 1.0 0.0 14.5 0 14 0 0 0 0 c7t2d0 70.6 6.1 1229.2 97.6 0.0 1.3 0.0 16.3 0 16 0 0 0 0 c7t3d0 94.0 6.7 2349.2 97.0 0.0 3.6 0.0 36.1 0 23 0 0 0 0 c7t4d0 80.4 12.1 2306.5 91.3 0.0 16.6 0.0 179.7 0 68 0 0 0 0 c7t5d0 Thanks ! -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss