if (isCurrentVmDiskStatsDifferentFromPrevious(previousVmDiskStats, vmDiskStat_lock)) { s_logger.debug("vm disk stats changed from the time GetVmDiskStatsCommand was sent. " + "Ignoring current answer. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() + " Read(Bytes): " + vmDiskStat.getBytesRead() + " write(Bytes): " + vmDiskStat.getBytesWrite()