The Wanderer wrote: > On 2021-03-02 at 07:54, Dan Ritter wrote: > > > You'll want to create the following partitions on each, > > identically: > > > > 1 efi - type efi > > 2 boot (or boot/root) - type MDADM volume > > 3 root, if using separate boot - type MDADM volume > > 4 swap - type MDADM volume > > > > Then you go to the mdadm setup and create MDADM RAID1 devices > > out of each pair of boot, root and swap. > > Out of interest, how would you modify this for someone who intends to > run LVM on top of the RAID-1 being defined here, and wants to define as > many of the partitions as possible (but at least /) at the LVM level > rather than the mdadm level? > > I'm guessing that the answer would be to define the EFI partition here > directly, then define one further partition as an appropriate type, set > up LVM inside that, and define the further partitions from there. > > I'm not positive that that's the correct approach, however, especially > given that I suspect that /boot will need to be visible to GRUB and may > thus need to be outside the LVM.
grub can find a root in LVM, but needs /boot to be outside. /boot in an mdadm RAID1 is a good idea there. -dsr-
