Matt wrote:
>>> 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.
>>
>> Yeah, you need to create the 1M partition, preferably the first, and its
>> type, like ext4 or xfs or swap, is, in the dropdown, biosboot.
>
> Is there a way to get this partition mirrored on both drives?
Using software RAID? Build one drive, then add in the other. You do give
RAID the whole drive....
mark
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