Adding and replacing controllers 8–1
Hitachi Unified Storage Hardware Service Guide
Adding and replacing
controllers
This chapter describes how to add a controller to a single-
controller Hitachi Unified Storage system and how to replace
Hitachi Unified Storage system controllers.
The following topics are covered in this chapter:
Precautions when adding or replacing a controller
Adding a controller to a single-controller CBXSS/CBXSL
Replacing the controller in CBXSS/CBXSL/CBSS/CBSL
Controller Boxes
Replacing the controller in a CBL Controller Box
Confirming and setting the date and time
NOTE: This chapter assumes you have read the electrostatic
guidelines and other information in Chapter 3, Procedures before
and after replacing components. If you have not, review this
information and then return to this chapter.
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