Also affects 18.04
The "easiest" fix I can see is to add the raid1 and raid10 modules to the manually added modules in /usr/share/initramfs-tools/hooks/lvm2 (dm_raid.ko depends on raid456.ko, but not raid1.ko or raid10.ko)
Also affects 18.04
The "easiest" fix I can see is to add the raid1 and raid10 modules to the manually added modules in /usr/share/ initramfs- tools/hooks/ lvm2 (dm_raid.ko depends on raid456.ko, but not raid1.ko or raid10.ko)