Power775 Disk Enclosure Fan Service Procedure
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1.5 Abbreviations
Abbreviation
Definition
Details
BPA
Bulk Power Assembly
CEC
Central Electronic Complex
Also referred to as the node.
DCCA
Distributed Conversion and Control
Assembly
The power supplies for the CEC and DE are called the
CEC DCCA and DE DCCA respectively.
DE
Disk Enclosure
GPFS
Global Parallel File System
IBM’s file system utilizing software RAID
HDD
Hard Disk Drive
This also means hard drive
LED
Light Emitting Diode
LIC
Licensed Internal Code
PCB
Printed Circuit Board
RAID
Redundant Array of Inexpensive Disks
SAS
Serial Attached SCSI
Protocol used for direct attached storage
SSR
Systems Services Representative
IBM Service personnel
SSD
Solid State Drive
UEPO
Unit Emergency Power Off
Table 3 Abbreviations