I'm trying to install RHEL 5.8 x64 on Cisco UCS C240 server with 4TB OS Drive. The drive is behind LSI MegaSAS.
Before installing RHEL, I booted off from an Ububtu 14.04 Live DVD. Using gparted, initialized the disk with GPT table, and few 20GB partitions.
I went back to install RHEL5 and got following error right after telling anaconda to install on pre-existing partitions (with GPT label):
Your boot partition is on a disk using the GPT partitioning scheme but this machine cannot boot using GPT
Screenshot is below:
Is there any other way to use the 4TB disks or have to downgrade to <= 2TB disks?
Best Answer
According to Redhat the disk label should be changed to MSDOS:
GPT must be switched to MSDOS. This will cause a loss of all current data on disks as well as limiting the device size to 2 TB
Root Cause