LUN：Logical Unit Number (LUN) A LUN is a disk presented to a computer system by a storage array. Oracle recommends that you use hardware RAID functionality to create LUNs. Storage hardware RAID 0+1 or RAID5, and other RAID configurations, can be provided to Oracle ASM as Oracle ASM disks. 逻辑单元号(LUN)LUN是由存储阵列呈现给计算机系统的磁盘。Oracle建议您使用硬件RAID功能来创建LUN。存储硬件RAID 0+1或RAID 5以及其他RAID配置可以作为Oracle ASM磁盘提供给Oracle ASM。