I am trying to install Centos 7 on a couple 4TB drives with software
raid. In the Supermicro bios I set UEFI/BIOS boot mode to legacy. I
am using the Centos 7 minimal install ISO flashed to a USB thumb
drive.
So I do custom drive layout something like this using sda and sdb.
Create /boot as 512 MB XFS raid1 array.
Create SWAP as 32 GB SWAP raid1 array.
Create / on 3.xxx TB XFS raid1 array.
I then get error.
"Your BIOS-based system needs a special partition to boot from a GPT
disk label. To countinue, please create a 1MiB 'biosboot' type
partition."
I cannot seem to create the biosboot partition so it is mirrored to
both drives for redundancy. Any ideas how to do this? I want
everything mirrored to both drives.
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