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UEFI

UEFI multi disc

How to handle redundant boot from multiple discs ?

Added 2 more EFI partitions (3 discs setup): 

# Change partition 1 type to EFI on each disc:
 
sgdisk -t 1:EF00 -c1:efi $DISK
 
mkfs.fat -F 32 $DISK-PART
blkid $DISK-PART
mkdir /boot/efi0
 
mkdir /boot/efi1

Add new partitions to fstab:

/etc/fstab
UUID=D12D-CBBD  /boot/efi0       vfat    umask=0077      0       1
UUID=D150-1EE7  /boot/efi1       vfat    umask=0077      0       1