Index: b/00_header
===================================================================
--- a/00_header	2014-05-26 22:37:07.000000000 +0200
+++ b/00_header	2014-05-26 22:46:12.000000000 +0200
@@ -106,18 +106,30 @@
 function recordfail {
   set recordfail=1
 EOF
-    FS="$(grub-probe --target=fs "${grubdir}")"
-    case "$FS" in
-      btrfs | cpiofs | newc | odc | romfs | squash4 | tarfs | zfs)
-	cat <<EOF
+    GRUBMDDEVICE="$(grub-probe --target=disk "${grubdir}")"
+    GRUBLVMDEVICE="$(grub-probe --target=disk "${grubdir}")"
+    if echo "$GRUBMDDEVICE" | grep "/dev/md" > /dev/null; then
+        cat <<EOF
+  # GRUB lacks write support for $GRUBMDDEVICE, so recordfail support is disabled.
+EOF
+    elif echo "$GRUBLVMDEVICE" | grep "/dev/mapper" > /dev/null; then
+        cat <<EOF
+  # GRUB lacks write support for $GRUBLVMDEVICE, so recordfail support is disabled.
+EOF
+    else
+        FS="$(grub-probe --target=fs "${grubdir}")"
+        case "$FS" in
+          btrfs | cpiofs | newc | odc | romfs | squash4 | tarfs | zfs)
+            cat <<EOF
   # GRUB lacks write support for $FS, so recordfail support is disabled.
 EOF
-	;;
-      *)
-	cat <<EOF
+          ;;
+          *)
+            cat <<EOF
   if [ -n "\${have_grubenv}" ]; then if [ -z "\${boot_once}" ]; then save_env recordfail; fi; fi
 EOF
-    esac
+        esac
+    fi
     cat <<EOF
 }
 EOF