On Mon, Nov 4, 2013 at 5:14 PM, James A. Peltier <jpeltier at sfu.ca> wrote: > ----- Original Message ----- > | As you know I've been testing centos on an old mac pro. I have 1 > | disk left > | of 4 that I'm testing on. I had a 3TB disk and stuck it in and > | couldn't > | get centos to boot off of it. It would install, but not boot. I > | then got > | "old" disk 4 installed with it. Any idea why the 3TB disk doesn't > | work? I > | pulled out an os x 10.6.3 and that would install and boot. I resized > | the > | disk in osx and reinstalled centos, but centos still won't boot off > | the 3TB > | disk. > | > | Thanks, > | > | -wes > > To boot off of a 3TB disk you require a (U)EFI capable machine which > supports GPT partitions. There is no way to boot a disk that is 3TB in > size using a BIOS based machine. > It boots fine with os x 10.6.3..... Initially, I stuck in the os x 10.6.3 install disk, partitioned the disk, installed os x, then resized the partition in osx. Then in the centos installer I told it to use the open space on the disk. It installed, but then would not boot. -wes