}

	if nerr, ok := err.(*rest.NetworkError); ok {
		if down := xnet.IsNetworkOrHostDown(nerr.Err, false); down {
			return true
		}
		if errors.Is(nerr.Err, rest.ErrClientClosed) {
			return true
		}
	}
	if errors.Is(err, grid.ErrDisconnected) {
		return true
	}
	// More corner cases suitable for storage REST API
	switch {
	// A peer node can be in shut down phase and proactively

	go func() {
		for {
			client.doListen(ctx, listenCh, v)
			select {
			case <-ctx.Done():
				return
			default:
				// There was error in the REST request, retry after sometime as probably the peer is down.
				time.Sleep(5 * time.Second)
			}
		}
	}()
}

// Trace - send http trace request to peer nodes

		return
	}

	// Reject retention or governance headers if set, CompleteMultipartUpload spec
	// does not use these headers, and should not be passed down to checkPutObjectLockAllowed
	if objectlock.IsObjectLockRequested(r.Header) || objectlock.IsObjectLockGovernanceBypassSet(r.Header) {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	// The connection will remain in this stat until the connection has been successfully re-established.
	StateConnectionError

	// StateShutdown is the state when the server has been shut down.
	// This will not be used under normal operation.
	StateShutdown

	// MaxDeadline is the maximum deadline allowed,
	// Approx 49 days.
	MaxDeadline = time.Duration(math.MaxUint32) * time.Millisecond
)

	logCh   chan interface{}
	logChMu sync.RWMutex

	// store to persist and replay the logs to the target
	// to avoid missing events when the target is down.
	store          store.Store[interface{}]
	storeCtxCancel context.CancelFunc

	initKafkaOnce      once.Init
	initQueueStoreOnce once.Init

	client   sarama.Client
	producer sarama.SyncProducer

}

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 {
				select {
				case <-ctx.Done():
					return

	tierFVID     = "tier-free-versionID"
	tierFVMarker = "tier-free-marker"
	tierSkipFVID = "tier-skip-fvid"
)

// SetTierFreeVersionID sets free-version's versionID. This method is used by
// object layer to pass down a versionID to set for a free-version that may be
// created.
func (fi *FileInfo) SetTierFreeVersionID(versionID string) {
	if fi.Metadata == nil {
		fi.Metadata = make(map[string]string)
	}

		toDel         []expireObjInfo
	)
	for result := range results {
		// Apply filter to find the matching rule to apply expiry
		// actions accordingly.
		// nolint:gocritic
		if result.IsLatest {
			// send down filtered entries to be deleted using
			// DeleteObjects method
			if len(toDel) > 10 { // batch up to 10 objects/versions to be expired simultaneously.
				xfer := make([]expireObjInfo, len(toDel))
				copy(xfer, toDel)

			if ss == setDriveCount {
				found = true
			}
		}
		if !found {
			return nil, config.ErrInvalidErasureSetSize(nil).Msg(msg)
		}

		// No automatic symmetry calculation expected, user is on their own
		setSize = setDriveCount
	} else {
		// Returns possible set counts with symmetry.
		setCounts = possibleSetCountsWithSymmetry(setCounts, argPatterns)

		if len(setCounts) == 0 {

const (
	Unknown = BackendType(madmin.Unknown)
	// Filesystem backend.
	BackendFS = BackendType(madmin.FS)
	// Multi disk BackendErasure (single, distributed) backend.
	BackendErasure = BackendType(madmin.Erasure)
	// Add your own backend.
)

// StorageInfo - represents total capacity of underlying storage.
type StorageInfo = madmin.StorageInfo

// objectHistogramInterval is an interval that will be