Dell FC4500 Reference Guide - Page 101

Another application for DAE Disk Array Enclosure., Fibre Channel host

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Glossary Fibre Channel host bus adapter (FC adapter) field-replaceable unit The name for the printed-circuit board within the computer chassis that allows the server to access the Fibre Channel loop and thus the SP(s). See FRU (field-replaceable unit). FRU (field-replaceable unit) HBA (host-bus adapter) A hardware assembly that can be replaced on site, instead of at the point of manufacture. H Another name for Fibre Channel adapter. host hot repair hub See server. See replace under power. An FC_AL switching device that allows multiple servers and targets, such as storage systems, to connect at a central point. A single hub configuration appears as a single loop. JBOD (just a box of disks) LCC (link control card) LUN (logical unit) J Another application for DAE (Disk Array Enclosure). L A CRU in an enclosure that connects Fibre Channel signalling to the disk modules. Provides fiber channel connectivity between the SP, disks, and other enclosures. It also provides bypass capability for faulted or missing units, and monitors and controls enclosure elements. One or more disk modules (each having a head assembly and spindle) bound into a group - usually a RAID Group. The operating system sees the LUN, which includes one or more disk modules, as one contiguous span of disk space. memory module M See SP memory module. EMC Fibre Channel Disk-Array Processor Enclosure (DPE) Hardware Reference g-3

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EMC Fibre Channel Disk-Array Processor Enclosure (DPE) Hardware Reference
g-3
Glossary
Fibre Channel host
bus adapter (FC
adapter)
The name for the printed-circuit board within the computer
chassis that allows the server to access the Fibre Channel loop
and thus the SP(s).
field-replaceable
unit
See FRU (field-replaceable unit).
FRU
(field-replaceable
unit)
A hardware assembly that can be replaced on site, instead of at
the point of manufacture.
H
HBA (host-bus
adapter)
Another name for Fibre Channel adapter.
host
See server.
hot repair
See replace under power.
hub
An FC_AL switching device that allows multiple servers and
targets, such as storage systems, to connect at a central point. A
single hub configuration appears as a single loop.
J
JBOD (just a box of
disks)
Another application for DAE (Disk Array Enclosure).
L
LCC (link control
card)
A CRU in an enclosure that connects Fibre Channel signalling to
the disk modules. Provides fiber channel connectivity between
the SP, disks, and other enclosures. It also provides bypass
capability for faulted or missing units, and monitors and controls
enclosure elements.
LUN (logical unit)
One or more disk modules (each having a head assembly and
spindle) bound into a group
—
usually a RAID Group. The
operating system sees the LUN, which includes one or more disk
modules, as one contiguous span of disk space.
M
memory module
See SP memory module.