Originally Posted by rowan

I had a frustrating ongoing problem with a new server recently - it has two identical HDs in a mirror configuration, but for some reason every HD that was plugged into the second port misbehaved. Some showed errors, and all had read/write speeds that were way off (eg 7-8Mbytes/sec when it should have been 80+Mbytes/sec). I think there's been a total of 4 different drives plugged into that second port now, a couple of new SATA cables, and finally a new power supply unit... which seems to have solved the problem. It's lucky I thought of the PSU as we were just about to do a swap to a new server.