diff --git a/daemons/lvmlockd/lvmlockd-client.h b/daemons/lvmlockd/lvmlockd-client.h
index 3a6406564..187c07f03 100644
--- a/daemons/lvmlockd/lvmlockd-client.h
+++ b/daemons/lvmlockd/lvmlockd-client.h
@@ -16,6 +16,8 @@
 #define LVMLOCKD_SOCKET DEFAULT_RUN_DIR "/lvmlockd.socket"
 #define LVMLOCKD_ADOPT_FILE DEFAULT_RUN_DIR "/lvmlockd.adopt"
 
+#define LVMLOCKD_USE_SANLOCK_LVB 0
+
 /* Wrappers to open/close connection */
 
 static inline __attribute__((always_inline))
diff --git a/daemons/lvmlockd/lvmlockd-core.c b/daemons/lvmlockd/lvmlockd-core.c
index 327311b2f..6f0500689 100644
--- a/daemons/lvmlockd/lvmlockd-core.c
+++ b/daemons/lvmlockd/lvmlockd-core.c
@@ -1320,7 +1320,9 @@ static int res_lock(struct lockspace *ls, struct resource *r, struct action *act
 		 * once someone uses the lock and writes a new lvb value.
 		 * Do nothing.
 		 */
+		/*
 		log_debug("S %s R %s res_lock version_zero_valid still zero", ls->name, r->name);
+		*/
 
 	} else if (r->version_zero_valid && vb.r_version) {
 		/*
diff --git a/daemons/lvmlockd/lvmlockd-sanlock.c b/daemons/lvmlockd/lvmlockd-sanlock.c
index b7bc7804e..b1f60ee05 100644
--- a/daemons/lvmlockd/lvmlockd-sanlock.c
+++ b/daemons/lvmlockd/lvmlockd-sanlock.c
@@ -1610,12 +1610,17 @@ static int lm_add_resource_sanlock(struct lockspace *ls, struct resource *r)
 
 	/* LD_RT_LV offset is set in each lm_lock call from lv_args. */
 
+	/*
+	 * Disable sanlock lvb since lock versions are not currently used for
+	 * anything, and it's nice to avoid the extra i/o used for lvb's.
+	 */
+#if LVMLOCKD_USE_SANLOCK_LVB
 	if (r->type == LD_RT_GL || r->type == LD_RT_VG) {
 		rds->vb = zalloc(sizeof(struct val_blk));
 		if (!rds->vb)
 			return -ENOMEM;
 	}
-
+#endif
 	return 0;
 }
 
@@ -1624,9 +1629,9 @@ int lm_rem_resource_sanlock(struct lockspace *ls, struct resource *r)
 	struct rd_sanlock *rds = (struct rd_sanlock *)r->lm_data;
 
 	/* FIXME: assert r->mode == UN or unlock if it's not? */
-
+#ifdef LVMLOCKD_USE_SANLOCK_LVB
 	free(rds->vb);
-
+#endif
 	memset(rds, 0, sizeof(struct rd_sanlock));
 	r->lm_init = 0;
 	return 0;
diff --git a/lib/locking/lvmlockd.c b/lib/locking/lvmlockd.c
index 7a10e0a31..2443c9794 100644
--- a/lib/locking/lvmlockd.c
+++ b/lib/locking/lvmlockd.c
@@ -2301,12 +2301,22 @@ int lockd_vg_update(struct volume_group *vg)
 	int result;
 	int ret;
 
-	if (!vg_is_shared(vg))
-		return 1;
 	if (!_use_lvmlockd)
 		return 0;
 	if (!_lvmlockd_connected)
 		return 0;
+	if (!vg_is_shared(vg))
+		return 1;
+
+#if !LVMLOCKD_USE_SANLOCK_LVB
+	/*
+	 * lvb (for lock version) is disabled for sanlock since
+	 * lock versions are not used any more, and it's more
+	 * costly for sanlock to implement (extra i/o.)
+	 */
+	if (!strcmp(vg->lock_type, "sanlock"))
+		return 1;
+#endif
 
 	reply = _lockd_send("vg_update",
 				"pid = " FMTd64, (int64_t) getpid(),