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Drive Channel
Figure 37. 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
56
IBM System Storage DS4200 Express Storage Subsystem: Installation, User's and Maintenance Guide
Drive
Channel 1, port 2
Redundant
pair
Drive
Channel 1, port 1
DS4200 Express is powered down when storage expansion enclosures are
connected, as in the case of initial installation). For "hot-case" procedures (in
which the DS4200 Express 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
DS4200
Left ESM
Right ESM
Right ESM
Left ESM
Left ESM
Right ESM
Drive
Channel 2, port 1
Drive
Channel 2, port 2
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