+<%- elsif %w{arm-arm-03}.include?(@hostname) then -%>
+GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX console=ttyS0,115200"
+<%- elsif %w{conova-node01 conova-node02}.include?(@hostname) then -%>
+GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX console=ttyS0,115200 earlycon"
+<%- elsif %w{storace fasolo klecker clementi czerny casulana mirror-umn csail-node01 csail-node02}.include?(@hostname) then -%>
+GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX console=tty0 console=ttyS1,115200n8"