--- sys/geom/raid/md_promise.c.orig	2023-12-02 14:56:37.095348000 +0700
+++ sys/geom/raid/md_promise.c	2024-02-11 13:04:14.207719000 +0700
@@ -1762,8 +1762,9 @@ g_raid_md_write_promise(struct g_raid_md_object *md, s
 		meta->total_disks = vol->v_disks_count;
 		meta->stripe_shift = ffs(vol->v_strip_size / 1024);
 		meta->array_width = vol->v_disks_count;
-		if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
-		    vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
+		if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
+			meta->array_width = 1;
+		else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
 			meta->array_width /= 2;
 		meta->array_number = vol->v_global_id;
 		meta->total_sectors = vol->v_mediasize / 512;