NetApp ONTAP systems use a standard naming convention to identify the physical location of a drive. The format is adapter.shelf.bay. In the given drive name, 1.2.3.L1:

1 represents the adapter or channel number.

2 represents the shelf ID.

3 represents the bay number within the shelf.

.L1 indicates the LUN number, which is used for multi-LUN drives but does not change the physical shelf and bay location.

Therefore, the drive is located in shelf 2 and bay 3.

C. The drive is in bay 2.

This is incorrect. The third number in the name (3) indicates the bay number.

D. The drive is in shelf 1.

This is incorrect. The second number in the name (2) indicates the shelf ID.

1. NetApp ONTAP Documentation, "Disk and aggregate management," Section: Overview of disks.

This document states, "Each disk has a unique name that is based on the disk's location: adaptername.shelfid.bayid... shelfid is the ID of the shelf that contains the disk... bayid is the number of the bay in which the disk is located." This directly confirms that the second digit represents the shelf and the third represents the bay.

2. NetApp ONTAP Documentation, "ONTAP 9 Commands: Manual Page Reference," Command: storage disk show.

The documentation for the storage disk show command describes the output for the "Disk" field. It provides examples like node-01:0a.00.7, explaining that the format represents the adapter, shelf, and bay, which aligns with the logic used to determine the correct answer.