It manages the communication between nodes and resources Shared by a communication processor. The interfaces rs-422 are used to link all the nodes together.
2
注意:通常,当一个结点有故障,如果使用共享内存或磁盘缓冲区,第二个结点接管时数据都被丢弃。
NOTE: In general, note that should a node fail if shared memory or disk buffering is used then this data will be lost when the second node takes over.