On 8/12/2013 6:59 AM, james wrote: > We have a 3TB external USB drive that I am trying to attach to some CentOS5 > servers. I have tried an older Dell PE1950 and a newer R310 but neither one > seems to be able to read the drive. It works no problem on windows > servers/workstations and I was able to format with NTFS. > > I know there are different methods for formatting large disks but this one > doesn't even seem to show up as a/dev/ device. I supplied the dmesg output > I see when I plug in the device. Is this a limitation of CentOS5? Do I need > some additional package / driver / update? CentOS 5 does not support GPT disks, and MBR disks have an absolute maximum size of 2TB -- john r pierce 37N 122W somewhere on the middle of the left coast