To utilize the redundant paths in storage area networks,a storage path driver(SPD) is proposed and implemented to hook I/O requests bound for the logical units.
为利用存储区域网络的冗余路径,在主机上加入驱动程序对逻辑单元(LUN)的输入/输出请求进行截获。
参考来源 - 存储区域网络中路径容错及负载均衡的研究 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
Next, group queries into logical units rather than independent queries.
下一步要将查询组成逻辑单元，而不是使用单独的查询。
Operations: Transactions that represent single logical units of work (LUWs).
操作：代表单个逻辑工作单元(LUW)的事务。
Within the database, the data are organized into logical units called tables.
在数据库中，数据被组织到叫做表 的逻辑单元中。
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