> That's working normally with the sync completed. Mirrors should run at > close to the speed of a single drive. Maybe you are just expecting too > much from SATA or you have something like an updatedb running. An > 'hdparm -tT' against the partitions and md devices should give you an > idea of what the drives can do. And top might show what's causing the > load (but maybe not if it is mostly waiting on disk seeks). There should currently be virtually NO disk I/O on this box right now. Its a bare install and I have not installed any apps yet. Is there an easy way to tell whats using all the I/O? The drive activity light never goes off. I did a torch in my firewall router and there is no network activity going to it. Matt