Index: 1.0.0.rc14/lib/format/ddf/ddf1.c
===================================================================
--- 1.0.0.rc14.orig/lib/format/ddf/ddf1.c
+++ 1.0.0.rc14/lib/format/ddf/ddf1.c
@@ -28,6 +28,9 @@ static const char *handler = HANDLER;
 // #define PCI_VENDOR_ID_ADAPTEC		0x9004
 #define PCI_VENDOR_ID_ADAPTEC2		0x9005
 
+/* PCI IDs for LSI */
+#define PCI_VENDOR_ID_LSI		0x1000
+
 /* Map DDF1 disk status to dmraid status */
 static enum status disk_status(struct ddf1_phys_drive *disk) {
 	struct states states[] = {
@@ -358,6 +361,13 @@ static int read_extended(struct lib_cont
 		ddf1->adaptec_mode = 1;
 	}
 
+	if (ddf1->adapter &&
+	    ddf1->adapter->pci_vendor == PCI_VENDOR_ID_LSI) {
+		log_notice(lc, "%s: LSI mode discovered on %s",
+			   handler, di->path);
+		ddf1->lsi_mode = 1;
+	}
+
 	/* Read physical drive characteristic data */
 	where = to_bytes(pri->primary_table_lba + pri->disk_data_offset);
 	if (!(ddata = ddf1->disk_data =
@@ -667,10 +677,14 @@ static char *name(struct lib_context *lc
 	} else {
 		char *b;
 
-		for (b = buf + prefix, i = 0; i < 24; b += 8, i += 4)
-			sprintf(b, "%02x%02x%02x%02x",
-				vd->guid[i], vd->guid[i+1],
-			        vd->guid[i+2], vd->guid[i+3]);
+		for (b = buf + prefix, i = 0; i < 24; b += 8, i += 4) {
+			if (i == 16 && ddf1->lsi_mode)
+				sprintf(b, "00000000");
+			else
+				sprintf(b, "%02x%02x%02x%02x",
+					vd->guid[i], vd->guid[i+1],
+					vd->guid[i+2], vd->guid[i+3]);
+		}
 	}
 
    out:
Index: 1.0.0.rc14/lib/format/ddf/ddf1.h
===================================================================
--- 1.0.0.rc14.orig/lib/format/ddf/ddf1.h
+++ 1.0.0.rc14/lib/format/ddf/ddf1.h
@@ -264,6 +264,7 @@ struct ddf1 {
 	int disk_format;
 	int in_cpu_format;
 	int adaptec_mode;
+	int lsi_mode;
 };
 
 #endif /* FORMAT_HANDLER */