Installation guide

Glossary-7
F
failover A process in which the active service processor passes control to the standby
service processor or the standby service processor takes over control from
the active service processor. In either process, the current standby service
processor takes the place of the active service processor and the active
service processor takes the place of the standby service processor.
Fan Backplane (FANBP) The active backplane for the fan. See also Backplane (BP).
FANBP See Fan Backplane (FANBP).
Fault Management
Architecture (FMA)
Generates fault indictments from the Service Processor. FMA provides three
system activities: error handling, fault diagnosis, and response.
Field Replaceable Unit
(FRU)
A part that can be replaced by field engineers when servicing the server.
firmware Software that controls the server. The SPARC Enterprise
M3000/M4000/M5000/M8000/M9000 server has the following types of
firmware: OpenBoot PROM, Power-On Self-Test (POST), and eXtended System
Control Facility (XSCF). Firmware is provided as a package called XSCF
Control Package (XCP).
FRU See Field Replaceable Unit (FRU).
H
Hard Disk Drive
Backplane (HDDBP)
The backplane for the disk drive. See also Backplane (BP).
HDD A hard disk drive.
HDDBP See Hard Disk Drive Backplane (HDDBP).
head room or headroom The capability to use up to four COD CPUs per server without a sufficient
number of COD permits to cover their use. Use of headroom, which is
synonymous with instant access CPU, is available under certain conditions.
See the SPARC Enterprise M4000/M5000/M8000/M9000 Servers Capacity on
Demand (COD) User’s Guide.
high-end server A SPARC Enterprise M8000/M9000 server.
hot addition To add a FRU while the domain is powered off.
hot replacement To replace a FRU while the domain is powered off.