diff --git a/clientv3/snapshot/v3_snapshot.go b/clientv3/snapshot/v3_snapshot.go
index 387ee1d70..e5c81892a 100644
--- a/clientv3/snapshot/v3_snapshot.go
+++ b/clientv3/snapshot/v3_snapshot.go
@@ -183,18 +183,26 @@ func (s *v3Manager) Status(dbPath string) (ds Status, err error) {
 			if b == nil {
 				return fmt.Errorf("cannot get hash of bucket %s", string(next))
 			}
-			h.Write(next)
+			if _, err := h.Write(next); err != nil {
+				return fmt.Errorf("cannot write bucket %s : %v", string(next), err)
+			}
 			iskeyb := (string(next) == "key")
-			b.ForEach(func(k, v []byte) error {
-				h.Write(k)
-				h.Write(v)
+			if err := b.ForEach(func(k, v []byte) error {
+				if _, err := h.Write(k); err != nil {
+					return fmt.Errorf("cannot write to bucket %s", err.Error())
+				}
+				if _, err := h.Write(v); err != nil {
+					return fmt.Errorf("cannot write to bucket %s", err.Error())
+				}
 				if iskeyb {
 					rev := bytesToRev(k)
 					ds.Revision = rev.main
 				}
 				ds.TotalKey++
 				return nil
-			})
+			}); err != nil {
+				return fmt.Errorf("cannot write bucket %s : %v", string(next), err)
+			}
 		}
 		return nil
 	}); err != nil {