18 Feb
2022
18 Feb
'22
6:07 p.m.
On Fri, Feb 18, 2022 at 02:01:41PM +0700, Tom Hale wrote:
I want to have a fallback boot situation where boot is first tried from one partition, and then from another partition (on a different device) if the first partition isn't available (eg, if the first device fails).
Can I boot from a specific FS UUID or a partition UUID without knowing a particular device ID? (I'm not sure if my devices will always be detected in a repeatable order).
Can fatload be used with only a partition UUID? Or can I somehow get the dev number from the UUID?
As UUIDs are unique per device but our device probe order is (nominally, there's counter examples) static, this would be a more board specific way of going than knowing which media is which device.
--
Tom