IBM 084, Installation And User Manual

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Chapter 6. Module replacement
Overview
Observe all required precautions when replacing modules.
Important: Always have available a replacement or blank module before removing the old module. When
you replace a module, you must never leave an empty bay in the rear of the enclosure.
ESD Precautions
Important: Fit and check a suitable anti-static wrist or ankle strap and observe all conventional ESD
precautions when handling plug-in modules and components. Avoid contact with midplane and sideplane
components, and with module connectors.
Continuous operation during replacement
Your hardware or software enclosure management application determines the capability of replacing a
failed disk without loss of access to any file system on the enclosure. Enclosure access and use during
this period is uninterrupted. If an enclosure contains two PSUs, one of them can maintain power to the
system while the other is replaced.
Field replaceable units (FRUs)
The following components can be hot-swapped by the user in the field without removing the enclosure
from its rack:
Table 10. Part numbers of Field replaceable units
Part #
Substitute Part Part Desc
001JC685 SIDEPLANE - RIGHTSIDE
001GY676 EXPANDER - LEFTSIDE
001YK759 CONTROLLER
001ML986 CONTROLLER
001YK785 CHASSIS
001YK760 001YK785 CHASSIS
001JC684 001YK760 CHASSIS
001GY674 5U RAIL
000RP210 42DISKPACK
000J1896 3M CABLE
001KL631 2.5M CABLE
The drawer sideplanes can be hot-swapped in the field. Replacement of the sideplanes requires a special
tool and should be carried out by service personnel only. Refer to the IBM ESS Expansion Hot Swap Side
Card - Quick Installation Guide for full instructions.
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Copyright IBM Corp. 2017, 2020 37