name:           "Correct-Decom-Pool-Removed",
			expectedErr:    false,
			expectedUpdate: true,
		},
		{
			meta:           poolMeta{}, // no-pool info available fresh setup.
			pools:          pools,
			name:           "Correct-Fresh-Setup",
			expectedErr:    false,
			expectedUpdate: true,
		},
		{
			meta:           nmeta2,
			pools:          orderChangePools,

	}
}

// Benchmarks

func benchmarkErasureDecode(data, parity, dataDown, parityDown int, size int64, b *testing.B) {
	setup, err := newErasureTestSetup(b, data, parity, blockSizeV2)
	if err != nil {
		b.Fatalf("failed to create test setup: %v", err)
	}
	disks := setup.disks
	erasure, err := NewErasure(context.Background(), data, parity, blockSizeV2)
	if err != nil {

		host, port, err := net.SplitHostPort(addr)
		if err != nil {
			return nil, err
		}

		if net.ParseIP(host) != nil {
			// For IP only setups there is no need for DNS lookups.
			return baseDialCtx(ctx, "tcp", addr)
		}

		ips, err := lookupHost(ctx, host)
		if err != nil {
			return nil, err
		}

		for _, ip := range ips {

func httpTracerMiddleware(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// Setup a http request response recorder - this is needed for
		// http stats requests and audit if enabled.
		respRecorder := xhttp.NewResponseRecorder(w)

		// Setup a http request body recorder
		reqRecorder := &xhttp.RequestRecorder{Reader: r.Body}
		r.Body = reqRecorder

	// Executing the object layer tests for single node setup.
	objAPITest(objLayer, ErasureSDStr, bucketFS, fsAPIRouter, credentials, t)

	// reset globals.
	// this is to make sure that the tests are not affected by modified value.
	resetTestGlobals()

	objLayer, erasureDisks, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatalf("Initialization of object layer failed for Erasure setup: %s", err)
	}

	// when requesting temp. credentials.
	// By default, MinIO always verify the client certificate.
	//
	// The client certificate verification should only be skipped
	// when debugging or testing a setup since it allows arbitrary
	// clients to obtain temp. credentials with arbitrary policy
	// permissions - including admin permissions.
	EnvIdentityTLSSkipVerify = "MINIO_IDENTITY_TLS_SKIP_VERIFY"
)

// corresponding list of endpoints chunked evenly in accordance with a
// specific set size.
// For example: {1...64} is divided into 4 sets each of size 16.
// This applies to even distributed setup syntax as well.
func GetAllSets(setDriveCount uint64, args ...string) ([][]string, error) {
	var setArgs [][]string
	if !ellipses.HasEllipses(args...) {
		var setIndexes [][]uint64
		// Check if we have more one args.

	}
}

// IsOnline always true in case of console logger
func (sys *HTTPConsoleLoggerSys) IsOnline(_ context.Context) bool {
	return true
}

// SetNodeName - sets the node name if any after distributed setup has initialized
func (sys *HTTPConsoleLoggerSys) SetNodeName(nodeName string) {
	if !globalIsDistErasure {
		sys.nodeName = ""
		return
	}

	host, err := xnet.ParseHost(globalLocalNodeName)
	if err != nil {

	ref int32
	*lsync.LRWMutex
}

// nsLockMap - namespace lock map, provides primitives to Lock,
// Unlock, RLock and RUnlock.
type nsLockMap struct {
	// Indicates if namespace is part of a distributed setup.
	isDistErasure bool
	lockMap       map[string]*nsLock
	lockMapMutex  sync.Mutex
}

// Lock the namespace resource.

// The 'all' slice will be in the same order across the cluster.
func newPeerRestClients(endpoints EndpointServerPools) (remote, all []*peerRESTClient) {
	if !globalIsDistErasure {
		// Only useful in distributed setups
		return nil, nil
	}

	hosts := endpoints.hostsSorted()
	remote = make([]*peerRESTClient, 0, len(hosts))
	all = make([]*peerRESTClient, len(hosts))
	for i, host := range hosts {
		if host == nil {