--- a/sys/dev/raid/vinum/vinumio.c	2026-09-21 23:37:03.060829040 +0000
+++ b/sys/dev/raid/vinum/vinumio.c	2026-09-21 23:42:20.468698920 +0000
@@ -489,6 +489,8 @@
 		    configend - s,
 		    " sd %s",
 		    vinum_conf.sd[plex->sdnos[j]].name);
+		while (*s)
+		    s++;				    /* find the end */
 	    }
 	    s = sappend("\n", s);
 	}