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HSG80 Array Controller V8.7 Maintenance and Service Guide
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5
Upgrading the Subsystem
This chapter provides instructions for upgrading the controller software, installing
software patches, upgrading firmware on a device, upgrading from a single-controller
configuration to a dual-redundant controller configuration, and upgrading cache
memory.
IMPORTANT: See Chapter 2 to review the list of required tools and the precautions to follow
prior to performing any procedure within this chapter.
Upgrade and Downgrade Procedures for
ACS Version 8.7
Upgrading Controller Software
Upgrade controller software by installing a new program card (see Figure 5–1) that
contains the new software.
Figure 5–1: Program (PCMCIA) card installation
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Controller
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Program card slot
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Program card ejection button
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Program (PCMCIA) card
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Program card ESD cover
CXO6578B
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