totalDisks := offlineDisks.Merge(onlineDisks)

	// Report total capacity
	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "capacity_raw", "total"),
			"Total capacity online in the cluster",
			nil, nil),
		prometheus.GaugeValue,
		float64(GetTotalCapacity(server.Disks)),
	)

	// Report total capacity free
	ch <- prometheus.MustNewConstMetric(

	if !guessIsRPCReq(r) {
		t.Fatal("Test shouldn't fail for a possible net/rpc request.")
	}
	r = &http.Request{
		Proto:  "HTTP/1.1",
		Method: http.MethodGet,
	}
	if guessIsRPCReq(r) {
		t.Fatal("Test shouldn't report as net/rpc for a non net/rpc request.")
	}
	r = &http.Request{
		Proto:  "HTTP/1.1",
		Method: http.MethodGet,
		URL:    &url.URL{Path: grid.RoutePath},
	}
	if !guessIsRPCReq(r) {

package cmd

import (
	"context"
	"errors"
)

// errMaxVersionsExceeded return error beyond 10000 (default) versions per object
var errMaxVersionsExceeded = StorageErr("maximum versions exceeded, please delete few versions to proceed")

// errUnexpected - unexpected error, requires manual intervention.
var errUnexpected = StorageErr("unexpected error, please report this issue at https://github.com/minio/minio/issues")

	}

	if types.Contains(madmin.MetricsScanner) {
		metrics := globalScannerMetrics.report()
		m.Aggregated.Scanner = &metrics
	}
	if types.Contains(madmin.MetricsOS) {
		metrics := globalOSMetrics.report()
		m.Aggregated.OS = &metrics
	}
	if types.Contains(madmin.MetricsBatchJobs) {
		m.Aggregated.BatchJobs = globalBatchJobsMetrics.report(opts.jobID)
	}
	if types.Contains(madmin.MetricsSiteResync) {

			return fmt.Errorf("Expected command line argument %s, seen %s", cmdLine,
				s2.CmdLines[i])
		}
	}

	if reflect.DeepEqual(s1.MinioEnv, s2.MinioEnv) {
		return nil
	}

	// Report differences in environment variables.
	var missing []string
	var mismatching []string
	for k, v := range s1.MinioEnv {
		ev, ok := s2.MinioEnv[k]
		if !ok {
			missing = append(missing, k)
		} else if v != ev {

// More info: https://kubernetes.io/docs/tasks/inject-data-application/downward-api-volume-expose-pod-information/#store-pod-fields
// Check if this is Helm package installation and report helm chart version
func getHelmVersion(helmInfoFilePath string) string {
	// Read the file exists.
	helmInfoFile, err := Open(helmInfoFilePath)
	if err != nil {
		// Log errors and return "" as MinIO can be deployed

	return mg
}

func getTierMetrics() *MetricsGroupV2 {
	mg := &MetricsGroupV2{
		cacheInterval: 10 * time.Second,
	}
	mg.RegisterRead(func(ctx context.Context) []MetricV2 {
		return globalTierMetrics.Report()
	})
	return mg
}

func getTransitionPendingTasksMD() MetricDescription {
	return MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: ilmSubsystem,

}

// healSequence - state for each heal sequence initiated on the
// server.
type healSequence struct {
	// bucket, and object on which heal seq. was initiated
	bucket, object string

	// Report healing progress
	reportProgress bool

	// time at which heal sequence was started
	startTime time.Time

	// time at which heal sequence has ended
	endTime time.Time

	// Heal client info

		return ErrRequestTimedout
	}

	// Only return ErrClientDisconnected if the provided context is actually canceled.
	// This way downstream context.Canceled will still report ErrRequestTimedout
	if contextCanceled(ctx) && errors.Is(ctx.Err(), context.Canceled) {
		return ErrClientDisconnected
	}

	// Unwrap the error first
	err = unwrapAll(err)

	switch err {

				// Context is canceled, return at once.
				// request canceled, no entries to return
				return entries, io.EOF
			}
			if !errors.Is(err, context.DeadlineExceeded) {
				// Report error once per bucket, but continue listing.
				storageLogOnceIf(ctx, err, "GetMetacacheListing:"+o.Bucket)
			}
			o.Transient = true
			o.Create = false
			o.ID = mustGetUUID()
		} else {