diff --git a/server.go b/server.go
index 6cd313dc0..61e4838a1 100644
--- a/server.go
+++ b/server.go
@@ -337,20 +337,20 @@ func (s *Server) Open() error {
 
 	// Initialize id-key storage.
 	if err := s.holder.translateFile.Open(); err != nil {
-		return err
+		return errors.Wrap(err, "opening TranslateFile")
 	}
 
 	// Open Cluster management.
 	if err := s.cluster.waitForStarted(); err != nil {
-		return fmt.Errorf("opening Cluster: %v", err)
+		return errors.Wrap(err, "opening Cluster")
 	}
 
 	// Open holder.
 	if err := s.holder.Open(); err != nil {
-		return fmt.Errorf("opening Holder: %v", err)
+		return errors.Wrap(err, "opening Holder")
 	}
 	if err := s.cluster.setNodeState(nodeStateReady); err != nil {
-		return fmt.Errorf("setting nodeState: %v", err)
+		return errors.Wrap(err, "setting nodeState")
 	}
 
 	// Listen for joining nodes.
diff --git a/test/pilosa.go b/test/pilosa.go
index f8f60eebe..27331d53f 100644
--- a/test/pilosa.go
+++ b/test/pilosa.go
@@ -63,17 +63,13 @@ func newCommand(opts ...server.CommandOption) *Command {
 	// does not fail on 32-bit systems.
 	opts = append([]server.CommandOption{
 		server.OptCommandCloseTimeout(time.Millisecond * 2),
-		server.OptCommandServerOptions(
-			pilosa.OptServerTranslateFileMapSize(
-				2 << 25,
-			),
-		),
 	}, opts...)
 	m := &Command{commandOptions: opts}
 	m.Command = server.NewCommand(bytes.NewReader(nil), ioutil.Discard, ioutil.Discard, opts...)
 	m.Config.DataDir = path
 	m.Config.Bind = "http://localhost:0"
 	m.Config.Cluster.Disabled = true
+	m.Config.Translation.MapSize = 100000
 
 	if testing.Verbose() {
 		m.Command.Stdout = os.Stdout
diff --git a/translate.go b/translate.go
index 2ef289f45..cb16de929 100644
--- a/translate.go
+++ b/translate.go
@@ -131,20 +131,20 @@ func NewTranslateFile(opts ...TranslateFileOption) *TranslateFile {
 func (s *TranslateFile) Open() (err error) {
 	// Open writer & buffered writer.
 	if err := os.MkdirAll(filepath.Dir(s.Path), 0777); err != nil {
-		return err
+		return errors.Wrapf(err, "mkdir %s", filepath.Dir(s.Path))
 	} else if s.file, err = os.OpenFile(s.Path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666); err != nil {
-		return err
+		return errors.Wrapf(err, "open file %s", s.Path)
 	}
 	s.w = bufio.NewWriter(s.file)
 
 	// Memory map data file.
 	if s.data, err = syscall.Mmap(int(s.file.Fd()), 0, s.mapSize, syscall.PROT_READ, syscall.MAP_SHARED); err != nil {
-		return err
+		return errors.Wrapf(err, "creating Mmap (size: %d)", s.mapSize)
 	}
 
 	// Replay the log.
 	if err := s.replayEntries(); err != nil {
-		return err
+		return errors.Wrap(err, "replaying log entries")
 	}
 
 	// Listen to primaryStoreEvents channel.