[CentOS] C7 + UEFI + GPT + RAID1

[Alessandro Baggi]

Hi messmer,
seems that anaconda supports partitioned RAID devices. Disk selection 
see one mdraid device and permits to create partition on it.

Il 13/03/2016 01:04, Gordon Messmer ha scritto:
> On 03/12/2016 08:22 AM, Alessandro Baggi wrote:
>> From several how-to concerning raid1 installation, I must put each
>> partition on a different md devices.
>
> Not necessarily.  You could put LVM on top of the RAID device, and
> create logical volumes.
>
>> I've asked times ago if it's more correct create the md device,
>> partitioning it and create fs on each partition created on md device:
>
> Partitionable RAID devices are supported by Linux, but not by the
> Anaconda installer.  You're better off not using them.
>
>> I'm installing C7 1511 on a skylake machine with UEFI and I'm confused.
>> After googling, for my installation I must create gpt table, 1
>> partition with fat32 type of 512M, and 2 partition for swap and /
>> (I've excluded /home), clone gpt partition table on second disk with
>> sgdisk, create md device for swap and /.
>
> Don't clone the partitions.  If you do that, then you also need to
> randomize the UUIDs on the destination drive.  It's probably easier to
> just create the partitions on each disk:
>
> parted -s /dev/sda mklabel gpt \
>      mkpart primary ext4 1M 200M \
>      mkpart primary ext4 200M 1224M \
>      mkpart primary ext4 1224M 100%
> parted -s /dev/sdb mklabel gpt \
>      mkpart primary ext4 1M 200M \
>      mkpart primary ext4 200M 1224M \
>      mkpart primary ext4 1224M 100%
>
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