問題文
An administrator is documenting how the storage inside one Exadata storage server is presented to Oracle ASM. The document has to name each layer in the order it appears. Which sequence describes the hierarchy correctly?
選択肢
- A LUN spans several physical disks, a grid disk reserves the space on that LUN, and the cell disk is the partition that Oracle ASM consumes.
- A physical disk appears as a LUN, a cell disk reserves the space on that LUN, and grid disks are partitions of the cell disk that Oracle ASM consumes.
- A physical disk appears as a grid disk, a cell disk gathers the grid disks, and the LUN is the disk group that the database consumes.
- A cell disk spans several of the physical disks, a LUN is carved out of the cell disk, and Oracle ASM consumes that LUN directly as a member of a disk group.