diff --git a/sys/geom/mirror/g_mirror.c b/sys/geom/mirror/g_mirror.c
index 13ff6eaabb60..973e10b9b2e2 100644
--- a/sys/geom/mirror/g_mirror.c
+++ b/sys/geom/mirror/g_mirror.c
@@ -451,9 +451,6 @@ g_mirror_init_disk(struct g_mirror_softc *sc, struct g_provider *pp,
 	disk->d_id = md->md_did;
 	disk->d_state = G_MIRROR_DISK_STATE_NONE;
 	disk->d_priority = md->md_priority;
-	disk->d_delay.sec = 0;
-	disk->d_delay.frac = 0;
-	binuptime(&disk->d_last_used);
 	disk->d_flags = md->md_dflags;
 	if (md->md_provider[0] != '\0')
 		disk->d_flags |= G_MIRROR_DISK_FLAG_HARDCODED;
@@ -862,16 +859,6 @@ bintime_cmp(struct bintime *bt1, struct bintime *bt2)
 	return (0);
 }
 
-static void
-g_mirror_update_delay(struct g_mirror_disk *disk, struct bio *bp)
-{
-
-	if (disk->d_softc->sc_balance != G_MIRROR_BALANCE_LOAD)
-		return;
-	binuptime(&disk->d_delay);
-	bintime_sub(&disk->d_delay, &bp->bio_t0);
-}
-
 static void
 g_mirror_done(struct bio *bp)
 {
@@ -904,8 +891,6 @@ g_mirror_regular_request(struct bio *bp)
 		g_topology_lock();
 		g_mirror_kill_consumer(sc, bp->bio_from);
 		g_topology_unlock();
-	} else {
-		g_mirror_update_delay(disk, bp);
 	}
 
 	pbp->bio_inbed++;
@@ -1465,30 +1450,35 @@ g_mirror_request_round_robin(struct g_mirror_softc *sc, struct bio *bp)
 	g_io_request(cbp, cp);
 }
 
+#define TRACK_SIZE  (1 * 1024 * 1024)
+#define LOAD_SCALE	256
+#define ABS(x)		(((x) >= 0) ? (x) : (-(x)))
+
 static void
 g_mirror_request_load(struct g_mirror_softc *sc, struct bio *bp)
 {
 	struct g_mirror_disk *disk, *dp;
 	struct g_consumer *cp;
 	struct bio *cbp;
-	struct bintime curtime;
+	int prio, best;
 
-	binuptime(&curtime);
-	/*
-	 * Find a disk which the smallest load.
-	 */
+	/* Find a disk with the smallest load. */
 	disk = NULL;
+	best = INT_MAX;
 	LIST_FOREACH(dp, &sc->sc_disks, d_next) {
 		if (dp->d_state != G_MIRROR_DISK_STATE_ACTIVE)
 			continue;
-		/* If disk wasn't used for more than 2 sec, use it. */
-		if (curtime.sec - dp->d_last_used.sec >= 2) {
-			disk = dp;
-			break;
-		}
-		if (disk == NULL ||
-		    bintime_cmp(&dp->d_delay, &disk->d_delay) < 0) {
+		prio = dp->load;
+		/* If disk head is precisely in position - highly prefer it. */
+		if (dp->d_last_offset == bp->bio_offset)
+			prio -= 2 * LOAD_SCALE;
+		else
+		/* If disk head is close to position - prefer it. */
+		if (ABS(dp->d_last_offset - bp->bio_offset) < TRACK_SIZE)
+			prio -= 1 * LOAD_SCALE;
+		if (prio <= best) {
 			disk = dp;
+			best = prio;
 		}
 	}
 	KASSERT(disk != NULL, ("NULL disk for %s.", sc->sc_name));
@@ -1505,12 +1495,18 @@ g_mirror_request_load(struct g_mirror_softc *sc, struct bio *bp)
 	cp = disk->d_consumer;
 	cbp->bio_done = g_mirror_done;
 	cbp->bio_to = cp->provider;
-	binuptime(&disk->d_last_used);
 	G_MIRROR_LOGREQ(3, cbp, "Sending request.");
 	KASSERT(cp->acr >= 1 && cp->acw >= 1 && cp->ace >= 1,
 	    ("Consumer %s not opened (r%dw%de%d).", cp->provider->name, cp->acr,
 	    cp->acw, cp->ace));
 	cp->index++;
+	/* Remember last head position */
+	disk->d_last_offset = bp->bio_offset + bp->bio_length;
+	/* Update loads. */
+	LIST_FOREACH(dp, &sc->sc_disks, d_next) {
+		dp->load = (dp->d_consumer->index * LOAD_SCALE +
+		    dp->load * 7) / 8;
+	}
 	g_io_request(cbp, cp);
 }
 
diff --git a/sys/geom/mirror/g_mirror.h b/sys/geom/mirror/g_mirror.h
index eb67b6e08ba7..8cd9a691e40c 100644
--- a/sys/geom/mirror/g_mirror.h
+++ b/sys/geom/mirror/g_mirror.h
@@ -133,8 +133,8 @@ struct g_mirror_disk {
 	struct g_mirror_softc	*d_softc; /* Back-pointer to softc. */
 	int		 d_state;	/* Disk state. */
 	u_int		 d_priority;	/* Disk priority. */
-	struct bintime	 d_delay;	/* Disk delay. */
-	struct bintime	 d_last_used;	/* When disk was last used. */
+	u_int		 load;		/* Averaged queue length */
+	off_t		 d_last_offset;	/* Last read offset */
 	uint64_t	 d_flags;	/* Additional flags. */
 	u_int		 d_genid;	/* Disk's generation ID. */
 	struct g_mirror_disk_sync d_sync;/* Sync information. */