On 03/23/11 10:40 AM, admin lewis wrote: > Hi, > this is the first time I install linux on a dell server. Simply I > booted from a centos 5.5 x64 dvd but I cant see the disks.. is there > something I miss ? does that system have some form of PERC raid controller? you need to go into the PERC Bios (or use Dell's utility disk and the raid configuratator) and define whatever level of hardware raid you want, creating logical volumes that your OS will see as 'disks'.