Comment # 6 on bug 1189003 from Ulrich Windl

(In reply to Arvin Schnell from comment #5)
> So blkid is able to detect the IMSM. The still open question is whether
> 'blkid -c /dev/null' reports infos about the disks or the partitions of
> /dev/sda and /dev/sdb (on Leap 15.2).

Unless you are talking about the Leap 52.2 installation system, I'd disagree:
(In reply to Ulrich Windl from comment #3)

> The easy part (Leap 15.2):
> util-linux-2.33.1-lp152.5.6.1.x86_64:
> # blkid -c /dev/null /dev/sd[ab]
> /dev/sda: TYPE="isw_raid_member"
> /dev/sdb: TYPE="isw_raid_member"