Index: sys/geom/eli/g_eli.c
===================================================================
--- sys/geom/eli/g_eli.c
+++ sys/geom/eli/g_eli.c
@@ -119,6 +119,24 @@
 }
 EVENTHANDLER_DEFINE(mountroot, zero_boot_passcache, NULL, 0);
 
+static u_int g_eli_taste_providers = 0;
+TUNABLE_INT("kern.geom.eli.taste_providers", &g_eli_taste_providers);
+SYSCTL_UINT(_kern_geom_eli, OID_AUTO, taste_providers, CTLFLAG_RW,
+       &g_eli_taste_providers, 0,
+       "Supported providers while tasting. (0 = all or combination of 1, 2, 4, 8, 16 and 32)");
+       // 1 = gpt label
+       // 2 = gpt id
+       // 4 = diskid
+       // 8 = mirror
+       // 16 = glabel
+       // 32 = multipath label
+#define TASTE_PROVIDER_GPT_LABEL 0x1
+#define TASTE_PROVIDER_GPTID 0x2
+#define TASTE_PROVIDER_DISKID 0x4
+#define TASTE_PROVIDER_MIRROR 0x8
+#define TASTE_PROVIDER_GLABEL 0x10
+#define TASTE_PROVIDER_MULTIPATH_LABEL 0x20
+
 static eventhandler_tag g_eli_pre_sync = NULL;
 
 static int g_eli_destroy_geom(struct gctl_req *req, struct g_class *mp,
@@ -1000,6 +1018,41 @@
 	if (root_mounted() || g_eli_tries == 0)
 		return (NULL);
 
+	while (g_eli_taste_providers != 0) {
+	   // try gpt label?
+	   if (g_eli_taste_providers & TASTE_PROVIDER_GPT_LABEL) {
+			   if (strncmp (pp->name, "gpt/", 4) == 0)
+					   break;
+	   }
+	   // try gpt id?
+	   if (g_eli_taste_providers & TASTE_PROVIDER_GPTID) {
+			   if (strncmp (pp->name, "gptid/", 6) == 0)
+					   break;
+	   }
+	   // try diskid?
+	   if (g_eli_taste_providers & TASTE_PROVIDER_DISKID) {
+			   if (strncmp (pp->name, "diskid/", 7) == 0)
+					   break;
+	   }
+	   // try mirror?
+	   if (g_eli_taste_providers & TASTE_PROVIDER_MIRROR) {
+			   if (strncmp (pp->name, "mirror/", 7) == 0)
+					   break;
+	   }
+	   // try glabel?
+	   if (g_eli_taste_providers & TASTE_PROVIDER_GLABEL) {
+			   if (strncmp (pp->name, "label/", 6) == 0)
+					   break;
+	   }
+	   // try multipath label?
+	   if (g_eli_taste_providers & TASTE_PROVIDER_MULTIPATH_LABEL) {
+			   if (strncmp (pp->name, "multipath/", 10) == 0)
+					   break;
+	   }
+
+	   return (NULL);
+	}
+	
 	G_ELI_DEBUG(3, "Tasting %s.", pp->name);
 
 	error = g_eli_read_metadata(mp, pp, &md);