Adding A Storage Enclosure To A Running Dual-Controller Configuration; One Dual-Controller Ds3500 And Eight Storage Enclosures - IBM DS3500 Installation, User's, And Maintenance Manual

Figure 3-27. One dual-controller DS3500 and eight storage enclosures

Adding a storage enclosure to a running dual-controller configuration

The following procedures provide instructions for adding storage enclosures to a running dual-controller
DS3500 storage subsystem.
Note: Make sure that each storage enclosure has two ESMs before you connect it to a dual-controller
DS3500 storage subsystem. The second ESM must be purchased separately. Contact your IBM marketing
representative or authorized reseller for more information about purchasing a second ESM. For more
information about installing a second ESM, see the Installation Guide that comes with the storage
enclosure.
To add a storage enclosure to a dual-controller DS3500 storage subsystem that is running, complete the
following steps:
1. Make sure that the DS3500 storage subsystem status is Optimal in the Storage Manager software.
3-23
Chapter 3. Cabling the storage subsystem and storage enclosure