HPE Nimble Storage HF Series Hardware Manual page 133

Procedure
1. Prepare the existing controller for the upgrade.
a) Log in to the array using the CLI.
b) Determine whether the existing controller is in Standby mode.
ctrlr --list --array array_name
c) Halt the standby controller.
halt --array array_name --controller {A | B}
Example
NimbleOS $ halt --array array123 --controller A
2. Remove the existing Standby controller to be upgraded.
a) Label all cables to ensure proper recabling later, then remove them from the controller.
b) Pinch the controller release lever catch to release the controller release lever.
1 Controller release lever
2 Controller release lever catch
c) Using one hand to support the bottom of the controller, firmly pull the controller release lever with the other hand
until the controller slides out of the chassis. Then place the controller on a flat surface.
Important:
To avoid electrostatic damage, place array components on a grounded anti-static mat. Use an ESD wrist strap
during removal and replacement.
3. Remove the PCIe cage from the existing controller.
a) Loosen the bottom thumbscrew on the PCIe cage.
3 Thumbscrew - PCIe cage release
4 Thumbscrew - PCIe card release
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Upgrade Procedures 133