if err != nil {
		return nil, err
	}

	// Refresh obtains a fresh token
	err = spt.Refresh()
	if err != nil {
		return nil, err
	}

	tc := azblob.NewTokenCredential(spt.Token().AccessToken, func(tc azblob.TokenCredential) time.Duration {
		err := spt.Refresh()
		if err != nil {
			return 0
		}
		// set the new token value

		return
	}
	z.SuccessorModTime, err = dc.ReadTime()
	if err != nil {
		err = msgp.WrapError(err, "SuccessorModTime")
		return
	}
	z.Fresh, err = dc.ReadBool()
	if err != nil {
		err = msgp.WrapError(err, "Fresh")
		return
	}
	z.Idx, err = dc.ReadInt()
	if err != nil {
		err = msgp.WrapError(err, "Idx")
		return
	}
	if dc.IsNil() {
		err = dc.ReadNil()

		}
	} else {
		oh, exists := ahs.getHealSequence(pathJoin(h.bucket, h.object))
		if exists && !oh.hasEnded() {
			errMsg = "Heal is already running on the given path " +
				"(use force-start option to stop and start afresh). " +
				fmt.Sprintf("The heal was started by IP %s at %s, token is %s",
					h.clientAddress, h.startTime.Format(http.TimeFormat), h.clientToken)
			return nil, errorCodes.ToAPIErr(ErrHealAlreadyRunning), errMsg
		}
	}

				took := time.Since(refreshStart).Seconds()
				if took > maxRefreshDurationSecondsForLog {
					// Log if we took a lot of time.
					logger.Info("Site replication healing refresh took %.2fs", took)
				}

				// wait for 200 millisecond, if we are experience lot of I/O
				waitForLowIO(runtime.GOMAXPROCS(0), 200*time.Millisecond, currentHTTPIO)
			}

		Version string `json:"version"` // Version of 'xl' format.
		Disk    string `json:"drive"`   // Disk field carries assigned disk uuid.
		// JBOD field carries the input disk order generated the first
		// time when fresh disks were supplied.
		JBOD []string `json:"jbod"`
	} `json:"xl"` // Erasure field holds xl format.
}

// Represents the V2 backend disk structure version
// under `.minio.sys` and actual data namespace.

		} else {
			dnsTTL = 10 * time.Minute
		}
	}

	// Call to refresh will refresh names in cache.
	go func() {
		// Baremetal setups set DNS refresh window up to dnsTTL duration.
		t := time.NewTicker(dnsTTL)
		defer t.Stop()
		for {
			select {
			case <-t.C:
				globalDNSCache.Refresh()

			case <-GlobalContext.Done():
				return
			}
		}
	}()
}

	Data []byte `msg:"d,allownil"` // optionally carries object data

	NumVersions      int       `msg:"nv"`
	SuccessorModTime time.Time `msg:"smt"`

	Fresh bool `msg:"fr"` // indicates this is a first time call to write FileInfo.

	// Position of this version or object in a multi-object delete call,
	// no other caller must set this value other than multi-object delete call.

	defer config.Unlock()

	switch err {
	case nil:
		break
	case errConfigNotFound: // nothing to reload
		// To maintain the invariance that lastRefreshedAt records the
		// timestamp of last successful refresh
		config.lastRefreshedAt = UTCNow()
		return nil
	default:
		return err
	}

	// Reset drivercache built using current config
	for k := range config.drivercache {
		delete(config.drivercache, k)

				}
			}
		}()
	}

	return nil
}

func newPoolMeta(z *erasureServerPools, prevMeta poolMeta) poolMeta {
	newMeta := poolMeta{} // to update write poolMeta fresh.
	// looks like new pool was added we need to update,
	// or this is a fresh installation (or an existing
	// installation with pool removed)
	newMeta.Version = poolMetaVersion
	for idx, pool := range z.serverPools {
		var skip bool

		// transport is already down.
		return "", errDiskNotFound
	}

	// This call should never be over the network, this is always
	// a cached value - caller should make sure to use this
	// function on a fresh disk or make sure to look at the error
	// from a different networked call to validate the GetDiskID()
	return *client.diskID.Load(), nil
}

func (client *storageRESTClient) SetDiskID(id string) {