diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index 43cdb7c44e..45397d89bb 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -2400,11 +2400,13 @@ zio_suspend(spa_t *spa, zio_t *zio, zio_suspend_reason_t reason)
 		    "failure and the failure mode property for this pool "
 		    "is set to panic.", spa_name(spa));
 
-	cmn_err(CE_WARN, "Pool '%s' has encountered an uncorrectable I/O "
-	    "failure and has been suspended.\n", spa_name(spa));
+	if (!spa_suspended(spa)) {
+		cmn_err(CE_WARN, "Pool '%s' has encountered an uncorrectable "
+		    "I/O failure and has been suspended.\n", spa_name(spa));
 
-	(void) zfs_ereport_post(FM_EREPORT_ZFS_IO_FAILURE, spa, NULL,
-	    NULL, NULL, 0);
+		(void) zfs_ereport_post(FM_EREPORT_ZFS_IO_FAILURE, spa, NULL,
+		    NULL, NULL, 0);
+	}
 
 	mutex_enter(&spa->spa_suspend_lock);