Hot-adding a disk shelf to an existing adapter in your system

Requirements for this procedure

The following requirements must be met for this procedure:

Your system must have Data ONTAP 7.2 or later.
There must be an available but unused adapter on your storage controller to do this procedure.
- If you have an available dual-port and an available quad-port adapter, the dual-port adapter should be used first.
- If you only have an available quad-port adapter and you are hot-adding a single loop of disk shelves, then Ports A and B are defined as a port pair and Ports C and D are defined as a port pair. For the purposes of incorporating redundancy, Module A connects to Port A or Port B and Module B connects to Port C or Port D.

To hot-add a disk shelf to an existing loop, complete the following steps.

Caution
To hot-add disk shelves to a cluster, see the cluster guide for your filer.