[dm-devel] [PATCH v5 0/3] init: add support to directly boot to a mapped device

[Barry Kauler]

Barry Kauler wrote:
> However, it seems that the 'table' format when using 'dmsetup create',
> and also in the kernel boot params, that devices can only be specified
> by the normal name (/dev/sd*) or by major:minor numbers.

> basically, my question is, could the 'table' format be extended to
> accept PARTUUIDs, either the GUID format as used in GPT drives (use
> 'gdisk' to get it), or <NT disk identifier>-<partition number> format
> for MBR disks.

Here is one of the relevant posts from Kees Cook, Feb. 2016, with v5 patch:

https://www.redhat.com/archives/dm-devel/2016-February/msg00112.html

Regards,
Barry Kauler