if err != nil {
		return nil, err
	}
	stream, err := algorithm.Stream(key.Plaintext)
	if err != nil {
		return nil, err
	}
	nonce := make([]byte, stream.NonceSize())
	if _, err := rand.Read(nonce); err != nil {
		return nil, err
	}

	const (
		MaxMetadataSize = 1 << 20 // max. size of the metadata
		Version         = 1
	)
	var (
		header [5]byte
		buffer bytes.Buffer
	)

	return MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: ioSubsystem,
		Name:      readBytes,
		Help:      "Total bytes read by the process from the underlying storage system, /proc/[pid]/io read_bytes",
		Type:      counterMetric,
	}
}

func getMinioProcessIOWriteCachedBytesMD() MetricDescription {
	return MetricDescription{
		Namespace: nodeMetricNamespace,

	derrs := make([]error, len(poolIndices))
	dobjects := make([]ObjectInfo, len(poolIndices))

	// Delete concurrently in all server pools that reported no error or read quorum error
	// where the read quorum issue is from metadata inconsistency.
	var wg sync.WaitGroup
	for idx, pe := range poolIndices {
		if v, ok := pe.Err.(InsufficientReadQuorum); ok && v.Type != RQInconsistentMeta {

	// the connection will be closed and readers/writers will unblock.
	go c.monitorState(conn, cancel)

	c.handleMsgWg.Add(2)
	c.reconnectMu.Unlock()

	// Read goroutine
	go func() {
		defer func() {
			if rec := recover(); rec != nil {
				gridLogIf(ctx, fmt.Errorf("handleMessages: panic recovered: %v", rec))
				debug.PrintStack()
			}
			c.connChange.L.Lock()

	if o.args.AuthToken != "" {
		req.Header.Set("Authorization", o.args.AuthToken)
	}

	resp, err := o.client.Do(req)
	if err != nil {
		return false, err
	}
	defer o.args.CloseRespFn(resp.Body)

	// Read the body to be saved later.
	opaRespBytes, err := io.ReadAll(resp.Body)
	if err != nil {
		return false, err
	}

	// Handle large OPA responses when OPA URL is of

	disk       StorageAPI
	volume     string
	filePath   string
	verifier   *BitrotVerifier // Holds the bit-rot info
	tillOffset int64           // Affects the length of data requested in disk.ReadFile depending on Read()'s offset
	buf        []byte          // Holds bit-rot verified data
}

func (b *wholeBitrotReader) ReadAt(buf []byte, offset int64) (n int, err error) {
	if b.buf == nil {
		b.buf = make([]byte, b.tillOffset-offset)

func (r *RootFlags) configureDefaultNamespace() {
	configAccess := clientcmd.NewDefaultPathOptions()

	kubeconfig := *r.kubeconfig
	if kubeconfig != "" {
		// use specified kubeconfig file for the location of the
		// config to read
		configAccess.GlobalFile = kubeconfig
	}

	// gets existing kubeconfig or returns new empty config
	config, err := configAccess.GetStartingConfig()
	if err != nil {
		r.defaultNamespace = v1.NamespaceDefault

		err = errNoSuchGroup
	}
	return err
}

func (ies *IAMEtcdStore) watch(ctx context.Context, keyPath string) <-chan iamWatchEvent {
	ch := make(chan iamWatchEvent)

	// go routine to read events from the etcd watch channel and send them
	// down `ch`
	go func() {
		for {
		outerLoop:
			watchCh := ies.client.Watch(ctx,
				keyPath, etcd.WithPrefix(), etcd.WithKeysOnly())

			for {

		defer rc.Close()

		if !p.initialized() {
			return re, nil
		}
		var data [4]byte
		n, err := rc.Read(data[:])
		if err != nil {
			return re, err
		}
		if n != len(data) {
			return re, errors.New("replication mrf: no data")
		}
		// Read resync meta header
		switch binary.LittleEndian.Uint16(data[0:2]) {
		case mrfMetaFormat:
		default:

		return "Unknown"
	}
}

// InsufficientReadQuorum storage cannot satisfy quorum for read operation.
type InsufficientReadQuorum struct {
	Bucket string
	Object string
	Err    error
	Type   RQErrType
}

func (e InsufficientReadQuorum) Error() string {
	return "Storage resources are insufficient for the read operation " + e.Bucket + "/" + e.Object
}

// Unwrap the error.