| Erasure Set Size | Default Parity (EC:N) |
|------------------|-----------------------|
| 5 or fewer       |                 EC:2  |
| 6-7              |                 EC:3  |
| 8 or more        |                 EC:4  |

	Mode    uint32    `json:"mode"`
}

// ErasureInfo holds erasure coding and bitrot related information.
type ErasureInfo struct {
	// Algorithm is the string representation of erasure-coding-algorithm
	Algorithm string `json:"algorithm"`
	// DataBlocks is the number of data blocks for erasure-coding
	DataBlocks int `json:"data"`
	// ParityBlocks is the number of parity blocks for erasure-coding
	ParityBlocks int `json:"parity"`

	if unMarshalXLMeta.Erasure.ParityBlocks != jsoniterXLMeta.Erasure.ParityBlocks {
		t.Errorf("Expected the erasure parity blocks to be %v, but got %v.", unMarshalXLMeta.Erasure.ParityBlocks, jsoniterXLMeta.Erasure.ParityBlocks)
	}
	if unMarshalXLMeta.Erasure.BlockSize != jsoniterXLMeta.Erasure.BlockSize {
		t.Errorf("Expected the erasure block size to be %v, but got %v.", unMarshalXLMeta.Erasure.BlockSize, jsoniterXLMeta.Erasure.BlockSize)
	}

- Erasure coding used by MinIO is [Reed-Solomon](https://github.com/klauspost/reedsolomon) erasure coding scheme, which has a total shard maximum of 256 i.e 128 data and 128 parity. MinIO design goes beyond this limitation by doing some practical architecture choices.

		t.Fatal(err)
	}
	if formatV3.Erasure.This != m.Erasure.Disk {
		t.Fatalf("expected drive uuid: %s, got: %s", m.Erasure.Disk, formatV3.Erasure.This)
	}
	if len(formatV3.Erasure.Sets) != 1 {
		t.Fatalf("expected single set after migrating from v1 to v3, but found %d", len(formatV3.Erasure.Sets))
	}
	if !reflect.DeepEqual(formatV3.Erasure.Sets[0], m.Erasure.JBOD) {

	benchmarkPutObject(b, "Erasure", 10)
}

// BenchmarkPutObject10KbFS - Benchmark FS.PutObject() for object size of 10KB.
func BenchmarkPutObject10KbFS(b *testing.B) {
	benchmarkPutObject(b, "FS", 10*humanize.KiByte)
}

// BenchmarkPutObject10KbErasure - Benchmark Erasure.PutObject() for object size of 10KB.
func BenchmarkPutObject10KbErasure(b *testing.B) {
	benchmarkPutObject(b, "Erasure", 10*humanize.KiByte)
}

require distributed deploying MinIO with Erasure Coding. For extended development and production, deploy MinIO with Erasure Coding enabled - specifically,
with a *minimum* of 4 drives per MinIO server. See [MinIO Erasure Code Overview](https://docs.min.io/community/minio-object-store/operations/concepts/erasure-coding.html)
for more complete documentation.

### Stable

	for i, test := range erasureEncodeDecodeTests {
		buffer := make([]byte, len(data), 2*len(data))
		copy(buffer, data)

		erasure, err := NewErasure(t.Context(), test.dataBlocks, test.parityBlocks, blockSizeV2)
		if err != nil {
			t.Fatalf("Test %d: failed to create erasure: %v", i, err)
		}
		encoded, err := erasure.EncodeData(t.Context(), buffer)
		if err != nil {
			t.Fatalf("Test %d: failed to encode data: %v", i, err)
		}

func (r *testOneByteReadNoEOF) Read(p []byte) (n int, err error) {
	if r.eof {
		return 0, io.EOF
	}
	n = copy(p, r.data)
	r.eof = true
	return n, nil
}

// Wrapper for calling testMakeBucket for both Erasure and FS.
func TestMakeBucket(t *testing.T) {
	ExecObjectLayerTest(t, testMakeBucket)
}

// Tests validate bucket creation.
func testMakeBucket(obj ObjectLayer, instanceType string, t TestErrHandler) {

		format := newFormatErasureV3(setCount, setDriveCount)
		format.ID = deploymentID
		for i := range setCount { // for each erasure set
			for j := range setDriveCount {
				newFormat := format.Clone()
				newFormat.Erasure.This = format.Erasure.Sets[i][j]
				if deploymentID != "" {
					newFormat.ID = deploymentID
				}
				drive := pool.Endpoints[i*setDriveCount+j]