func (client *storageRESTClient) IsOnlineWS() bool {
	return client.gridConn.State() == grid.StateConnected
}

// LastConn - returns when the disk is seen to be connected the last time
func (client *storageRESTClient) LastConn() time.Time {
	return client.restClient.LastConn()
}

func (client *storageRESTClient) IsLocal() bool {
	return false
}

func (client *storageRESTClient) Hostname() string {

		if cdisk != nil && cdisk.IsOnline() {
			if s.lastConnectDisksOpTime.IsZero() {
				continue
			}

			// An online-disk means its a valid disk but it may be a re-connected disk
			// we verify that here based on LastConn(), however we make sure to avoid
			// putting it back into the s.erasureDisks by re-placing the disk again.
			_, setIndex, _ := cdisk.GetDiskLoc()
			if setIndex != -1 {
				continue
			}
		}

	return s.endpoint
}

func (s *xlStorage) Close() error {
	s.immediatePurgeCancel()
	return nil
}

func (s *xlStorage) IsOnline() bool {
	return true
}

func (s *xlStorage) LastConn() time.Time {
	return time.Time{}
}

func (s *xlStorage) IsLocal() bool {
	return true
}

// Retrieve location indexes.
func (s *xlStorage) GetDiskLoc() (poolIdx, setIdx, diskIdx int) {