I’d like to use Fedora CoreOS on my servers (bare metal) who all have different storage setup.
My goal is to implement the following:
/ is installed on sda (always available on all nodes)
/var uses all /dev/nvme* devices in a raid0 or lvm stripe mode (at least one nvme drive is available per node)
My understanding is that this is not supported today, but I’m rediscovering CoreOS after a few years, and trying on bare metal for the first time
I am looking for guidance/input if anyone tried something along those lines.
Create an ignition file that provisions a /var filesystem with /dev/nvme0n1 only on btrfs, provision my nodes and script add all the other devices with btrfs device add and a balance operation to adjust the raid settings.
That works and should be fine with the upgrades since /var is not touched.
