On Mon, 8 Dec 2008, milosz wrote: > compression is off across the board. > > svc_t is only maxed during the periods of heavy write activity (2-3 > seconds every 10 or so seconds)... otherwise disks are basically > idling.
Check for some hardware anomaly which might impact disks 11, 12, and 13 but not the other disks. For example, perhaps they share a cable, share the same controller, or or there is some other common point which is slow or producing recoverable errors. Bob ====================================== Bob Friesenhahn [EMAIL PROTECTED], http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss