dataBlocks   int
	parityBlocks int
	blockSize    int64
	diskPaths    []string
	disks        []StorageAPI
}

// Returns an initialized setup for erasure tests.
func newErasureTestSetup(tb testing.TB, dataBlocks int, parityBlocks int, blockSize int64) (*erasureTestSetup, error) {
	diskPaths := make([]string, dataBlocks+parityBlocks)
	disks := make([]StorageAPI, len(diskPaths))
	var err error
	for i := range diskPaths {

		}
	}

	// create xlStorage test setup
	xlStorageDeletedStorage, diskPath, err := newXLStorageTestSetup(t)
	if err != nil {
		t.Fatalf("Unable to create xlStorage test setup, %s", err)
	}
	// removing the disk, used to recreate disk not found error.
	err = os.RemoveAll(diskPath)
	if err != nil {
		t.Fatalf("Unable to remoe xlStorage diskpath, %s", err)
	}

	// TestXLStorage for delete on an removed disk.