blockSizeV2 = 1 * humanize.MiByte

	// Buckets meta prefix.
	bucketMetaPrefix = "buckets"

	// Deleted Buckets prefix.
	deletedBucketsPrefix = ".deleted"

	// ETag (hex encoded md5sum) of empty string.
	emptyETag = "d41d8cd98f00b204e9800998ecf8427e"
)

// Global object layer mutex, used for safely updating object layer.
var globalObjLayerMutex sync.RWMutex

		},
		{
			name:     "2",
			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "REDUCED_REDUNDANCY", "md5sum": "abcde"},
			keys:     []string{"etag", "md5sum"},
			want:     map[string]string{"content-type": "application/octet-stream", "x-amz-storage-class": "REDUCED_REDUNDANCY"},
		},
		{
			name:     "3",

		sudo chown -R ${USER}. "${WORK_DIR}/disk${i}"
	done

	for vid in $("${PWD}/mc" ls --json --versions minio/bucket/testobj | jq -r .versionId); do
		"${PWD}/mc" cat --vid "${vid}" minio/bucket/testobj | md5sum
	done

	pkill minio
	sleep 3
}

function main() {
	start_port=$(shuf -i 10000-65000 -n 1)

	start_minio_4drive ${start_port}
}

function purge() {
	rm -rf "$1"
}

(main "$@")

fi

# create a bucket bucket2 on minio1.
./mc mb minio1/bucket2

./mc mb minio1/newbucket

# copy large upload to newbucket on minio1
truncate -s 17M lrgfile
expected_checksum=$(cat ./lrgfile | md5sum)

./mc cp ./lrgfile minio1/newbucket
sleep 5
./mc stat --no-list minio2/newbucket
if [ $? -ne 0 ]; then
	echo "expecting bucket to be present. exiting.."
	exit_1
fi

	echo "svc account found after delete, exiting.."
	exit_1
fi

./mc mb minio1/newbucket
# copy large upload to newbucket on minio1
truncate -s 17M lrgfile
expected_checksum=$(cat ./lrgfile | md5sum)

./mc cp ./lrgfile minio1/newbucket

# create a bucket bucket2 on minio1.
./mc mb minio1/bucket2

sleep 5
./mc stat --no-list minio2/newbucket
if [ $? -ne 0 ]; then

func tryDecryptETag(key []byte, encryptedETag string, sses3 bool) string {
	// ETag for SSE-C or SSE-KMS encrypted objects need not be content MD5Sum.While encrypted
	// md5sum is stored internally, return just the last 32 bytes of hex-encoded and
	// encrypted md5sum string for SSE-C
	if !sses3 {
		return encryptedETag[len(encryptedETag)-32:]
	}
	var objectKey crypto.ObjectKey
	copy(objectKey[:], key)

		h.Reset()
		_, err = io.Copy(h, gr)
		if err != nil {
			t.Fatalf("Test %d: Failed to calculate md5sum of the object: %v", i+1, err)
		}
		gr.Close()
		foundHash := h.Sum(nil)

		if !bytes.Equal(foundHash, expectedHash) {
			t.Fatalf("Test %d: Expected data to have md5sum = `%x`, found `%x`", i+1, expectedHash, foundHash)
		}
	}

	echo "svc account found after delete, exiting.."
	exit_1
fi

./mc mb minio1/newbucket
# copy large upload to newbucket on minio1
truncate -s 17M lrgfile
expected_checksum=$(cat ./lrgfile | md5sum)

./mc cp ./lrgfile minio1/newbucket

sleep 5
./mc stat --no-list minio2/newbucket
if [ $? -ne 0 ]; then
	echo "expecting bucket to be present. exiting.."
	exit_1
fi

		19: {bucketName: bucket, objName: object, inputData: fiveMBBytes, inputMeta: map[string]string{"answer": "42"}, inputDataSize: int64(len(fiveMBBytes)), expectedMd5: getMD5Hash(fiveMBBytes)},

		// With valid md5sum and sha256.
		20: {bucketName: bucket, objName: object, inputData: data, inputMeta: md5Header(data), inputSHA256: getSHA256Hash(data), inputDataSize: int64(len(data)), expectedMd5: getMD5Hash(data)},

type CopyObjectResponse struct {
	XMLName      xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopyObjectResult" json:"-"`
	LastModified string   // time string of format "2006-01-02T15:04:05.000Z"
	ETag         string   // md5sum of the copied object.
}

// CopyObjectPartResponse container returns ETag and LastModified of the successfully copied object
type CopyObjectPartResponse struct {