if len(endpoints) == 0 || setCount == 0 || setDriveCount == 0 {
		return nil, nil, errInvalidArgument
	}

	// prepare getElapsedTime() to calculate elapsed time since we started trying formatting disks.
	// All times are rounded to avoid showing milli, micro and nano seconds
	formatStartTime := time.Now().Round(time.Second)

		if target.updateStmt, err = target.db.Prepare(fmt.Sprintf(mysqlUpdateRow, target.args.Table)); err != nil {
			return err
		}
		// delete statement
		if target.deleteStmt, err = target.db.Prepare(fmt.Sprintf(mysqlDeleteRow, target.args.Table)); err != nil {
			return err
		}
	case event.AccessFormat:
		// insert statement

	}

	defer adminTestBed.TearDown()

	// Initialize admin peers to make admin RPC calls.
	globalMinioAddr = "127.0.0.1:9000"

	// Prepare query params for set-config mgmt REST API.
	queryVal := url.Values{}
	queryVal.Set("info", "")

	req, err := buildAdminRequest(queryVal, http.MethodGet, "/info", 0, nil)
	if err != nil {

		s3InputBytes:         s.getS3InputBytes(),         // Traffic S3 received
		s3OutputBytes:        s.getS3OutputBytes(),        // Traffic S3 sent
	}
}

// Prepare new ConnStats structure
func newConnStats() *connStats {
	return &connStats{}
}

type bucketS3RXTX struct {
	s3InputBytes  uint64
	s3OutputBytes uint64
}

type bucketHTTPAPIStats struct {

			)
		}
		mg.SetCache(metricsCache)
		if mg.IsBucketMetricsGroup() {
			bucketMGMap[mg.CollectorPath] = mg
		} else {
			mgMap[mg.CollectorPath] = mg
		}
	}

	// Prepare to register the collectors. Other than `MetricGroup` collectors,
	// we also have standard collectors like `GoCollector`.

	// Create all Non-`MetricGroup` collectors here.

	for i in $(seq 1 4); do
		while [ "$(curl -m 1 -s -o /dev/null -w "%{http_code}" http://localhost:$((start_port + i)))" -ne "403" ]; do
			echo -n "."
			sleep 1
		done
	done

}

# Prepare fake disks with losetup
function prepare_block_devices() {
	set -e
	mkdir -p ${WORK_DIR}/disks/ ${WORK_DIR}/mnt/
	sudo modprobe loop
	for i in 1 2 3 4; do
		dd if=/dev/zero of=${WORK_DIR}/disks/img.${i} bs=1M count=2000

// unique set. data is expected to be pre-sorted, and the resulting set in
// the range [0:size] will remain in sorted order. Uniq, following a
// sort.Sort call, can be used to prepare arbitrary inputs for use as sets.
func uniq(data sort.Interface) (size int) {
	p, l := 0, data.Len()
	if l <= 1 {
		return l
	}
	for i := 1; i < l; i++ {
		if !data.Less(p, i) {
			continue
		}

		chmod +x mc
	echo "done"
fi

sleep 10

export MC_HOST_minio1=https://minio:minio123@localhost:9001
export MC_HOST_minio2=https://minio:minio123@localhost:9002

# Prepare data for tests
echo -n "Preparing test data ..."
mkdir -p /tmp/data
echo "Hello world" >/tmp/data/plainfile
echo "Hello from encrypted world" >/tmp/data/encrypted
touch /tmp/data/defpartsize

      this License, each Contributor hereby grants to You a perpetual,
      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      copyright license to reproduce, prepare Derivative Works of,
      publicly display, publicly perform, sublicense, and distribute the
      Work and such Derivative Works in Source or Object form.

		chmod +x mc
	echo "done"
fi

sleep 10

export MC_HOST_minio1=https://minio:minio123@localhost:9001
export MC_HOST_minio2=https://minio:minio123@localhost:9002

# Prepare data for tests
echo -n "Preparing test data ..."
mkdir -p /tmp/data
echo "Hello from encrypted world" >/tmp/data/encrypted
touch /tmp/data/mpartobj
shred -s 500M /tmp/data/mpartobj
touch /tmp/data/defpartsize