diff -up 1.0.0.rc14/lib/format/ataraid/isw.c.solitary-meta-block 1.0.0.rc14/lib/format/ataraid/isw.c
--- 1.0.0.rc14/lib/format/ataraid/isw.c.solitary-meta-block	2006-09-23 02:11:37.000000000 +0800
+++ 1.0.0.rc14/lib/format/ataraid/isw.c	2007-10-22 15:10:49.000000000 +0800
@@ -364,21 +364,26 @@ static int isw_write(struct lib_context 
 {
 	int ret;
 	struct isw *isw = META(rd, isw);
+	int large = div_up(isw->mpb_size, ISW_DISK_BLOCK_SIZE) > 1;
 
 	to_disk(isw, FULL);
 
-	/*
-	 * Copy 1st metadata sector to after the extended ones
-	 * and increment metadata area pointer by one block, so
-	 * that the metadata is filed in the proper sequence.
-	 */
-	memcpy((void*) isw + rd->meta_areas->size, isw, ISW_DISK_BLOCK_SIZE);
-	rd->meta_areas->area += ISW_DISK_BLOCK_SIZE;
+	if (large) {
+		/*
+		 * Copy 1st metadata sector to after the extended ones
+		 * and increment metadata area pointer by one block, so
+		 * that the metadata is filed in the proper sequence.
+		 */
+		memcpy((void*) isw + rd->meta_areas->size, isw,
+		       ISW_DISK_BLOCK_SIZE);
+		rd->meta_areas->area += ISW_DISK_BLOCK_SIZE;
+	}
 
 	ret = write_metadata(lc, handler, rd, -1, erase);
 
 	/* Correct metadata area pointer. */
-	rd->meta_areas->area -= ISW_DISK_BLOCK_SIZE;
+	if (large)
+		rd->meta_areas->area -= ISW_DISK_BLOCK_SIZE;
 
 	to_cpu(isw, FULL);