globalLocalDrivesMu.Unlock()
	}

	z.decommissionCancelers = make([]context.CancelFunc, len(z.serverPools))

	// Initialize the pool meta, but set it to not save.
	// When z.Init below has loaded the poolmeta will be initialized,
	// and allowed to save.
	z.poolMeta = newPoolMeta(z, poolMeta{})
	z.poolMeta.dontSave = true

	bootstrapTrace("newSharedLock", func() {

	return readServerConfig(GlobalContext, objAPI, nil)
}

// loadConfig - loads a new config from disk, overrides params
// from env if found and valid
// data is optional. If nil it will be loaded from backend.
func loadConfig(objAPI ObjectLayer, data []byte) error {
	bootstrapTraceMsg("load the configuration")
	srvCfg, err := readServerConfig(GlobalContext, objAPI, data)
	if err != nil {
		return err
	}

}

// reset the value of the Global server config.
// set it to `nil`.
func resetGlobalConfig() {
	// hold the mutex lock before a new config is assigned.
	globalServerConfigMu.Lock()
	// Save the loaded config globally.
	globalServerConfig = nil
	globalServerConfigMu.Unlock()
}

func resetGlobalEndpoints() {
	globalEndpoints = EndpointServerPools{}
}

func resetGlobalIsErasure() {

	if err := saveFormatErasureAll(ctx, storageDisks, formats); err != nil {
		return nil, err
	}

	return getFormatErasureInQuorum(formats)
}

// ecDrivesNoConfig returns the erasure coded drives in a set if no config has been set.
// It will attempt to read it from env variable and fall back to drives/2.
func ecDrivesNoConfig(setDriveCount int) (int, error) {

	healDeleteDangling   = true
	healObjectSelectProb = 1024 // Overall probability of a file being scanned; one in n.
)

var (
	globalHealConfig heal.Config

	// Sleeper values are updated when config is loaded.
	scannerSleeper                       = newDynamicSleeper(2, time.Second, true) // Keep defaults same as config defaults
	scannerCycle                         = uatomic.NewDuration(dataScannerStartDelay)

		return -1
	}
}

// Returns always a same erasure coded set for a given input.
func (s *erasureSets) getHashedSetIndex(input string) int {
	return hashKey(s.distributionAlgo, input, len(s.sets), s.deploymentID)
}

// Returns always a same erasure coded set for a given input.
func (s *erasureSets) getHashedSet(input string) (set *erasureObjects) {

		clusterAuditMG,
		clusterNotificationMG,
		clusterIAMMG,
	}

	// Bucket metrics are special, they always include the bucket label. These
	// metrics required a list of buckets to be passed to the loader, and the list
	// of buckets is not known until the request is made. So we keep a separate
	// map for bucket metrics and handle them specially.

	// Add the serverName and poolIndex labels to all non-cluster metrics.

	}
	globalIsErasureSD = (setupType == ErasureSDSetupType)
	if globalDynamicAPIPort && globalIsDistErasure {
		logger.FatalIf(errInvalidArgument, "Invalid --address=\"%s\", port '0' is not allowed in a distributed erasure coded setup", ctxt.Addr)
	}

	globalLocalNodeName = GetLocalPeer(globalEndpoints, globalMinioHost, globalMinioPort)
	nodeNameSum := sha256.Sum256([]byte(globalLocalNodeName))