diff --git a/sys/dev/ciss/ciss.c b/sys/dev/ciss/ciss.c
index b9594d04a6a6..d0583cb43926 100644
--- a/sys/dev/ciss/ciss.c
+++ b/sys/dev/ciss/ciss.c
@@ -3380,6 +3380,10 @@ ciss_name_ldrive_org(int org)
 	return("RAID 4");
     case CISS_LDRIVE_RAID5:
 	return("RAID 5");
+    case CISS_LDRIVE_RAID51:
+	return("RAID 5+1");
+    case CISS_LDRIVE_RAIDADG:
+	return("RAID ADG");
     }
     return("unkown");
 }
diff --git a/sys/dev/ciss/cissreg.h b/sys/dev/ciss/cissreg.h
index c7844e90a1bd..f09da7f7cf04 100644
--- a/sys/dev/ciss/cissreg.h
+++ b/sys/dev/ciss/cissreg.h
@@ -494,6 +494,8 @@ struct ciss_bmic_id_ldrive {
 #define CISS_LDRIVE_RAID4	1
 #define CISS_LDRIVE_RAID1	2
 #define CISS_LDRIVE_RAID5	3
+#define CISS_LDRIVE_RAID51	4
+#define CISS_LDRIVE_RAIDADG	5
     u_int8_t	res1[2];
 #if 0	/* only for identify logical drive extended (0x18) */
     u_int32_t	logical_drive_identifier;