Overview Of Steps To Connect Storage Expansion Enclosures To A Storage Subsystem - IBM System Storage DS5020 Installation, User's, And Maintenance Manual

Drive Channel
Figure 35. Example of a redundant drive channel pair
Overview of steps to connect storage expansion enclosures to a
storage subsystem
To connect storage expansion enclosures to the storage subsystem, perform the
following steps:
Note: The following procedures are for "cold-case" procedures (in which the
58
IBM System Storage DS5020 Storage Subsystem: Installation, User's, and Maintenance Guide
Drive
Channel 1, port 2
Redundant
pair
Drive
Channel 1, port 1
DS5020 is powered down when storage expansion enclosures are
connected, as in the case of initial installation). For "hot-case" procedures (in
which the DS5020 is powered on when storage expansion enclosures are
connected), refer to the IBM System Storage DS4000 Hard Drive and
Storage Expansion Enclosure Installation and Migration Guide.
Left ESM Right ESM
Right ESM
Left ESM
Left ESM
Right ESM
DS5020
Left ESM Right ESM
Right ESM
Left ESM
Left ESM
Right ESM
Drive
Channel 2, port 1
Drive
Channel 2, port 2