Controller Configuration; Replacing A Controller And Cache Module In A Dual-Redundant Controller; Configuration; Dual-Redundant Controller Configuration In A Ba370 Enclosure - HP StorageWorks HSG80 Array Controller V8.7 Maintenance And Service Manual

Replacement Procedures for BA370 Enclosure Elements
1
EMU
2
Controller A
3
Controller B
4
Cache module A
Figure 3–7: Dual-redundant controller configuration in a BA370 enclosure
The following sections provide procedures for:
• Replacing both the controller and cache module
• Replacing only a controller
• Replacing only a cache module
IMPORTANT: Note the following provisions before starting the dual redundant controller
configuration replacement procedures:
• The replacement controller hardware must be compatible with the remaining controller
hardware. Refer to the product-specific release notes that accompanied the software
release for information regarding hardware compatibility.
• The software versions and patch levels must be the same on both controllers.
• The replacement cache module must contain the same cache memory configuration as the
module being replaced.
Replacing a Controller and Cache Module in a Dual-Redundant

Controller Configuration

To replace a controller and supporting cache module in a dual-redundant controller
configuration, follow the instructions in this section for removing and installing a
controller and cache module.
3–14
1
2
3
4
6
5
5
Fiber optic cables with extender clips
6
Cache module B
7
PVA module
HSG80 Array Controller V8.7 Maintenance and Service Guide
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CXO6990A