case <-hcTimer.C:
			sys.hMutex.RLock()
			eps := make([]madmin.ServerProperties, 0, len(sys.hc))
			for _, ep := range sys.hc {
				eps = append(eps, madmin.ServerProperties{Endpoint: ep.Endpoint, Scheme: ep.Scheme})
			}
			sys.hMutex.RUnlock()

			if len(eps) > 0 {
				cctx, cancel := context.WithTimeout(ctx, 30*time.Second)
				m := make(map[string]epHealth, len(eps))
				start := time.Now()

	switch rs.Version {
	case siteResyncMetaVersionV1:
	default:
		return rs, fmt.Errorf("unexpected resync meta version: %d", rs.Version)
	}
	return rs, nil
}

// save resync status of peer to resync/depl-id.meta
func saveSiteResyncMetadata(ctx context.Context, ss SiteResyncStatus, objectAPI ObjectLayer) error {
	if objectAPI == nil {
		return errSRObjectLayerNotReady
	}
	data := make([]byte, 4, ss.Msgsize()+4)