>Any suggestions on least pain way forward? Just read up on virtual box and set it to respect cache flushes, if your vm tanks or your host os tanks, the block device with your db, whether it be SQL Express or Enterprise will sh!t the bed:) I've seen a plethora of news about this on the zfs lists... jlc _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos