try {
final JSONObject jsObj = new JSONObject(jsString);
boolean initiateSnapshot;
// Do scan work on all known live hosts
VoltMessage msg = new SnapshotCheckRequestMessage(jsString);
List<Integer> liveHosts = VoltDB.instance().getHostMessenger().getLiveHostIds();
for (int hostId : liveHosts) {
m_mb.send(CoreUtils.getHSIdFromHostAndSite(hostId, HostMessenger.SNAPSHOT_IO_AGENT_ID), msg);
}