func cleanMetadata(metadata map[string]string) map[string]string {
	// Remove STANDARD StorageClass
	metadata = removeStandardStorageClass(metadata)
	// Clean meta etag keys 'md5Sum', 'etag', "expires", "x-amz-tagging".
	return cleanMetadataKeys(metadata, "md5Sum", "etag", "expires", xhttp.AmzObjectTagging, "last-modified", VersionPurgeStatusKey)
}

// Filter X-Amz-Storage-Class field only if it is set to STANDARD.

./mc rm -r --force myminio/versioned >/dev/null

## mirror again to create another set of version on top
./mc mirror internal myminio/versioned/ --quiet >/dev/null

expected_checksum=$(./mc cat internal/dsync/drwmutex.go | md5sum)

user_count=$(./mc admin user list myminio/ | wc -l)
policy_count=$(./mc admin policy list myminio/ | wc -l)

kill $pid

	exit 1
fi

got_checksum=$(./mc cat myminio/versioned/dsync/drwmutex.go | md5sum)
if [ "${expected_checksum}" != "${got_checksum}" ]; then
	echo "BUG: decommission failed on encrypted objects: expected ${expected_checksum} got ${got_checksum}"
	exit 1
fi

got_checksum_1=$(./mc cat myminio/versioned-1/dsync/drwmutex.go | md5sum)
if [ "${expected_checksum}" != "${got_checksum_1}" ]; then

	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

// used by the FanOut API call mostly to disable expensive md5sum
// calculation repeatedly under hash.Reader.
type Options struct {
	MD5Hex     string
	SHA256Hex  string
	Size       int64
	ActualSize int64
	DisableMD5 bool
	ForceMD5   []byte
}

// NewReaderWithOpts is like NewReader but takes `Options` as argument, allowing
// callers to indicate if they want to disable md5sum checksum.

	Expected ETag
	Computed ETag
}

func (v VerifyError) Error() string {
	return fmt.Sprintf("etag: expected ETag %q does not match computed ETag %q", v.Expected, v.Computed)
}

// UUIDHash - use uuid to make md5sum
type UUIDHash struct {
	uuid []byte
}

// Write -  implement hash.Hash Write
func (u UUIDHash) Write(p []byte) (n int, err error) {
	return len(p), nil
}

// Sum -  implement md5.Sum