disk type can be generic tags

weed/command/mount_std.go

@@ -169,11 +169,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		mountRoot = mountRoot[0 : len(mountRoot)-1]
 	}
 
-	diskType, err := storage.ToDiskType(*option.diskType)
-	if err != nil {
-		fmt.Printf("failed to parse volume type: %v\n", err)
-		return false
-	}
+	diskType := storage.ToDiskType(*option.diskType)
 
 	seaweedFileSystem := filesys.NewSeaweedFileSystem(&filesys.Option{
 		MountDirectory:     dir,