diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c
--- a/sys/geom/geom_disk.c
+++ b/sys/geom/geom_disk.c
@@ -600,6 +600,9 @@
 		return;
 	}
 	if (pp != NULL) {
+		sbuf_printf(sb, "%s<attachment>", indent);
+		g_conf_cat_escaped(sb, dp->d_attachment);
+		sbuf_cat(sb, "</attachment>\n");
 		sbuf_printf(sb, "%s<fwheads>%u</fwheads>\n",
 		    indent, dp->d_fwheads);
 		sbuf_printf(sb, "%s<fwsectors>%u</fwsectors>\n",