diff -urN ./cmd/ztest/ztest.c-orig ./cmd/ztest/ztest.c
--- ./cmd/ztest/ztest.c-orig	2009-09-09 01:01:34.000000000 +0200
+++ ./cmd/ztest/ztest.c	2009-09-09 01:03:26.000000000 +0200
@@ -3270,7 +3270,7 @@
 	/* LINTED */	
 
  	(void) sprintf(zdb,
-	    "../zdb/zdb -bc%s%s -U /tmp/zpool.cache  %s",
+	   "/usr/sbin/zdb -bc%s%s -U  %s", 
   	    zopt_verbose >= 3 ? "s" : "",
   	    zopt_verbose >= 4 ? "v" : "",
   	    pool);