Refer to sizing guide for more understanding on default values chosen depending on your erasure stripe size [here](https://github.com/minio/minio/blob/master/docs/distributed/SIZING.md). Parity settings can be changed using [storage classes](https://github.com/minio/minio/tree/master/docs/erasure/storage-class).

### Consistency Guarantees

		`MINIO_STORAGE_CLASS_STANDARD: Format "EC:<Default_Parity_Standard_Class>" (e.g. "EC:3"). This sets the number of parity drives for MinIO server in Standard mode. Objects are stored in Standard mode, if storage class is not defined in Put request

	tests := []struct {
		name   int
		data   int
		parity int
		want   bool
	}{
		{1, 5, 6, false},
		{2, 5, 5, true},
		{3, 0, 5, false},
		{3, -1, 5, false},
		{4, 5, -1, false},
		{5, 5, 0, true},
		{6, 5, 0, true},
		{7, 5, 4, true},
	}
	for _, tt := range tests {
		if got := isXLMetaErasureInfoValid(tt.data, tt.parity); got != tt.want {

		if n == 0 && total != 0 {
			// Reached EOF, nothing more to be done.
			break
		}

		// We take care of the situation where if n == 0 and total == 0 by creating empty data and parity files.
		blocks, err = e.EncodeData(ctx, buf[:n])
		if err != nil {
			return 0, err
		}

		if err = writer.Write(ctx, blocks); err != nil {
			return 0, err
		}

		total += int64(n)
		if eof {

	}
}

// Benchmarks

func benchmarkErasureDecode(data, parity, dataDown, parityDown int, size int64, b *testing.B) {
	setup, err := newErasureTestSetup(b, data, parity, blockSizeV2)
	if err != nil {
		b.Fatalf("failed to create test setup: %v", err)
	}
	disks := setup.disks
	erasure, err := NewErasure(context.Background(), data, parity, blockSizeV2)
	if err != nil {

            throw new CIFSUnsupportedCryptoException(e);
        }
    }


    /**
     * @param key
     *            7-byte "raw" DES key
     * @return 8-byte DES key with parity
     */
    static byte[] des7to8 ( byte[] key ) {
        byte key8[] = new byte[8];
        key8[ 0 ] = (byte) ( key[ 0 ] & 0xFE );
        key8[ 1 ] = (byte) ( ( key[ 0 ] << 7 ) | ( ( key[ 1 ] & 0xFF ) >>> 1 ) );

	formatErasureVersionV2DistributionAlgoV1 = "CRCMOD"

	// Distributed algorithm used, with N/2 default parity
	formatErasureVersionV3DistributionAlgoV2 = "SIPMOD"

	// Distributed algorithm used, with EC:4 default parity
	formatErasureVersionV3DistributionAlgoV3 = "SIPMOD+PARITY"
)

// Offline disk UUID represents an offline disk.
const offlineDiskUUID = "ffffffff-ffff-ffff-ffff-ffffffffffff"

	if notFoundMetaErrs > 0 && notFoundMetaErrs > validMeta.Erasure.ParityBlocks {
		// All xl.meta is beyond parity blocks missing, this is dangling
		return validMeta, true
	}

	if !validMeta.IsRemote() && notFoundPartsErrs > 0 && notFoundPartsErrs > validMeta.Erasure.ParityBlocks {
		// All data-dir is beyond parity blocks missing, this is dangling
		return validMeta, true
	}

	return validMeta, false
}

	objectNames := []string{"minio-object-1.txt"}
	uploadIDs := []string{}

	globalStorageClass.Update(storageclass.Config{
		RRS: storageclass.StorageClass{
			Parity: 2,
		},
		Standard: storageclass.StorageClass{
			Parity: 4,
		},
	})

	// bucketnames[0].
	// objectNames[0].
	// uploadIds [0].
	// Create bucket before initiating NewMultipartUpload.

		// If storage class is not set during startup, default values are used
		// -- Default for Reduced Redundancy Storage class is, parity = 2
		// -- Default for Standard Storage class is, parity = 2 - disks 4, 5
		// -- Default for Standard Storage class is, parity = 3 - disks 6, 7
		// -- Default for Standard Storage class is, parity = 4 - disks 8 to 16
		if commonParityDrives == 0 {
			commonParityDrives, err = ecDrivesNoConfig(ep.DrivesPerSet)