fi, err := Lstat(s.formatFile)
	if err != nil {
		// If the disk is still not initialized.
		if osIsNotExist(err) {
			if err = Access(s.drivePath); err == nil {
				// Disk is present but missing `format.json`
				return nil, errUnformattedDisk
			}
			if osIsNotExist(err) {
				return nil, errDiskNotFound
			} else if osIsPermission(err) {
				return nil, errDiskAccessDenied
			}

}

func newConfigDir(dir string, dirSet bool, getDefaultDir func() string) (*ConfigDir, error) {
	if dir == "" {
		dir = getDefaultDir()
	}

	if dir == "" {
		if !dirSet {
			return nil, fmt.Errorf("missing option must be provided")
		}
		return nil, fmt.Errorf("provided option cannot be empty")
	}

	// Disallow relative paths, figure out absolute paths.
	dirAbs, err := filepath.Abs(dir)
	if err != nil {

			return nil, err
		}
	}

	json := jsoniter.ConfigCompatibleWithStandardLibrary
	if err := json.Unmarshal(data, &srvCfg); err != nil {
		return nil, err
	}

	// Add any missing entries
	return srvCfg.Merge(), nil
}

// ConfigSys - config system.
type ConfigSys struct{}

// Init - initializes config system from config.json.
func (sys *ConfigSys) Init(objAPI ObjectLayer) error {

	c.Endpoint = ncfg.Endpoint
	c.BlockSize = ncfg.BlockSize
	c.clnt = ncfg.clnt
}

// cache related errors
var (
	ErrInvalidArgument = errors.New("invalid argument")
	ErrKeyMissing      = errors.New("key is missing")
)

const (
	mcacheV1Check  = "/_mcache/v1/check"
	mcacheV1Update = "/_mcache/v1/update"
	mcacheV1Delete = "/_mcache/v1/delete"
)

			test.errs = newErrs

			if test._tamperBackend != noTamper {
				if tamperedIndex != -1 && availableDisks[tamperedIndex] != nil {
					t.Fatalf("Drive (%v) with part.1 missing is not a drive with available data",
						erasureDisks[tamperedIndex])
				}
			}
		})
	}
}

// TestListOnlineDisksSmallObjects - checks if listOnlineDisks and outDatedDisks

	if err != nil && !errors.Is(err, BucketReplicationConfigNotFound{Bucket: bucketName}) {
		return rCfg, err
	}
	return rCfg, nil
}

// validateReplicationDestination returns error if replication destination bucket missing or not configured
// It also returns true if replication destination is same as this server.
func validateReplicationDestination(ctx context.Context, bucket string, rCfg *replication.Config, checkRemote bool) (bool, APIError) {

	//	":9000"
	//	"localhost:9000"
	//	"localhost" <- in this case, we check for scheme

	host, port, err := net.SplitHostPort(addr)
	if err != nil {
		if !strings.Contains(err.Error(), "missing port in address") {
			return "", "", err
		}

		host = addr

		switch scheme {
		case "https":
			port = "443"
		case "http":
			port = "80"
		default:

	now := UTCNow()
	accessKey := globalActiveCred.AccessKey

	testCases := []struct {
		form     http.Header
		expected APIErrorCode
	}{
		// (0) It should fail if 'X-Amz-Credential' is missing.
		{
			form:     http.Header{},
			expected: ErrCredMalformed,
		},
		// (1) It should fail if the access key is incorrect.
		{
			form: http.Header{

// provided current cluster has the most recent update.
func (c *SiteReplicationSys) healUsers(ctx context.Context, objAPI ObjectLayer, user string, info srStatusInfo) error {
	// create user if missing; fix user policy mapping if missing
	us := info.UserStats[user]

	c.RLock()
	defer c.RUnlock()
	if !c.enabled {
		return nil
	}
	var (
		latestID, latestPeerName string

			HTTPStatusCode: http.StatusBadRequest,
		}
	}

	if r.Bucket == "" {
		return batchExpireJobError{
			Code:           "InvalidArgument",
			Description:    "Bucket argument missing",
			HTTPStatusCode: http.StatusBadRequest,
		}
	}

	if _, err := o.GetBucketInfo(ctx, r.Bucket, BucketOptions{}); err != nil {
		if isErrBucketNotFound(err) {
			return batchExpireJobError{