if !ok {
					clusterObjectSizesHistogram[k] = v
				} else {
					v1 += v
					clusterObjectSizesHistogram[k] = v1
				}
			}
			for k, v := range usage.ObjectVersionsHistogram {
				v1, ok := clusterVersionsHistogram[k]
				if !ok {
					clusterVersionsHistogram[k] = v
				} else {
					v1 += v
					clusterVersionsHistogram[k] = v1
				}
			}
		}

	if err != nil {
		if errors.Is(err, errConfigNotFound) {
			return nil
		}
		return err
	}

	z.rebalMu.Lock()
	if len(r.PoolStats) == len(z.serverPools) {
		z.rebalMeta = r
	} else {
		z.updateRebalanceStats(ctx)
	}
	z.rebalMu.Unlock()

	return nil
}

// updates rebalance.bin from let's say 2 pool setup in the middle

	case dns.ErrBucketConflict:
		apiErr = ErrBucketAlreadyExists
	default:
		if strings.Contains(err.Error(), "request declared a Content-Length") {
			apiErr = ErrIncompleteBody
		} else {
			apiErr = ErrInternalError
		}
	}

	return apiErr
}

var noError = APIError{}

// toAPIError - Converts embedded errors. Convenience

		if err.Error() != "Object not found: bucket/dir1" {
			t.Errorf("%s: Expected the Error message to be `%s`, but instead found `%s`", instanceType, "Object not found: bucket/dir1", err.Error())
		}
	} else {
		if err.Error() != "fails" {
			t.Errorf("%s: Expected the Error message to be `%s`, but instead found it to be `%s`", instanceType, "fails", err.Error())
		}
	}
}

			"scopes=openid,groups",
			fmt.Sprintf("redirect_uri=%s", testApp.RedirectURL),
		}
		if rolePolicies[i] != "" {
			configCmds = append(configCmds, fmt.Sprintf("role_policy=%s", rolePolicies[i]))
		} else {
			configCmds = append(configCmds, "claim_name=groups")
		}
		_, err := s.adm.SetConfigKV(ctx, strings.Join(configCmds, " "))
		if err != nil {
			return fmt.Errorf("unable to setup OpenID for tests: %v", err)

			return
		}
		if !isGroup {
			if userType == stsUser {
				cache.iamSTSPolicyMap.Delete(name)
			} else {
				cache.iamUserPolicyMap.Delete(name)
			}
		} else {
			cache.iamGroupPolicyMap.Delete(name)
		}
	} else {

		if err = store.saveMappedPolicy(ctx, name, userType, isGroup, newPolicyMapping); err != nil {
			return
		}
		if !isGroup {

			o.Create = false
			o.ID = mustGetUUID()
		} else {
			if c.fileNotFound {
				// No cache found, no entries found.
				return entries, io.EOF
			}
			if c.status == scanStateError || c.status == scanStateNone {
				o.ID = ""
				o.Create = false
				o.debugln("scan status", c.status, " - waiting a roundtrip to create")
			} else {
				// Continue listing
				o.ID = c.id

			errs = append(errs, fmt.Errorf("Unable to apply heal config: %w", err))
		} else {
			globalHealConfig.Update(healCfg)
		}
	case config.BatchSubSys:
		batchCfg, err := batch.LookupConfig(s[config.BatchSubSys][config.Default])
		if err != nil {
			errs = append(errs, fmt.Errorf("Unable to apply batch config: %w", err))
		} else {
			globalBatchConfig.Update(batchCfg)
		}
	case config.ScannerSubSys:

	}

	// Return an error if ODirect is not supported. Single disk will have
	// oDirect off.
	if globalIsErasureSD || !disk.ODirectPlatform {
		s.oDirect = false
	} else if err := s.checkODirectDiskSupport(info.FSType); err == nil {
		s.oDirect = true
	} else {
		return s, err
	}

	// Initialize DiskInfo cache
	s.diskInfoCache.InitOnce(time.Second, cachevalue.Opts{},
		func() (DiskInfo, error) {

	var scheme string

	// Retrieve the scheme from X-Forwarded-Proto.
	if proto := r.Header.Get(xForwardedProto); proto != "" {
		scheme = strings.ToLower(proto)
	} else if proto = r.Header.Get(xForwardedScheme); proto != "" {
		scheme = strings.ToLower(proto)
	} else if proto := r.Header.Get(forwarded); proto != "" {
		// match should contain at least two elements if the protocol was