server/src/main/java/com/orientechnologies/orient/server/distributed/ODistributedConfiguration.java
public Object getGlobalReadQuorum(final String iClusterName) {
    Object value = getClusterConfiguration(iClusterName).field(READ_QUORUM);
    if (value == null)
      value = configuration.field(READ_QUORUM);
    return value;
  }
public Object getGlobalReadQuorum(final String iClusterName) {
    Object value = getClusterConfiguration(iClusterName).field(READ_QUORUM);
    if (value == null)
      value = configuration.field(READ_QUORUM);
    return value;
  }
Returns the global read quorum.

@param iClusterName Cluster name, or null for *