I just reformatted my hard drives on my mac pro, and I am trying to setup a software mirror via disk utility. Each time I have tried to create the mirror with the two hard drives, disk utility loses connection in the: "brining raid online" phase. After this, the drives need to be erased and the processes starts over. This has happened 5 times now. Does anyone know a fix for this? I am running OS X 10.4.10 and everything is up to date.