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
@@ -632,6 +632,13 @@
 			sbuf_printf(sb, "%s<ident>", indent);
 			g_conf_cat_escaped(sb, res == 0 ? buf : dp->d_ident);
 			sbuf_cat(sb, "</ident>\n");
+			bp->bio_attribute = "GEOM::attachment";
+			bp->bio_length = DISK_IDENT_SIZE;
+			bp->bio_data = buf;
+			res = dp->d_getattr(bp);
+			sbuf_printf(sb, "%s<attachment>", indent);
+			g_conf_cat_escaped(sb, res == 0 ? buf : dp->d_attachment);
+			sbuf_cat(sb, "</attachment>\n");
 			bp->bio_attribute = "GEOM::lunid";
 			bp->bio_length = DISK_IDENT_SIZE;
 			bp->bio_data = buf;
@@ -654,6 +661,9 @@
 			sbuf_printf(sb, "%s<ident>", indent);
 			g_conf_cat_escaped(sb, dp->d_ident);
 			sbuf_cat(sb, "</ident>\n");
+			sbuf_printf(sb, "%s<attachment>", indent);
+			g_conf_cat_escaped(sb, dp->d_attachment);
+			sbuf_cat(sb, "</attachment>\n");
 		}
 		sbuf_printf(sb, "%s<descr>", indent);
 		g_conf_cat_escaped(sb, dp->d_descr);