Acer HDS WMS100 Reference Manual
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Acer | HDS WMS100™ User and Reference Guide 233
LBA Logical Block Address
LED Light-Emitting Diode
LRC Longitudinal Redundancy Check
LSI
LRU
Large-service Interface
LRU is an abbreviation for Least Recently Used, and it is
an algorithm which selects data that has not been
accessed for longest to write data in the cache memory
into disk drive when it needs to make room in data area of
cache memory.
LU Logical Unit
LVD
Maintenance
LAN interface
Management
LAN interface
Low Voltage Differential
LAN interface in the NAS unit for the NAs system
maintenance. Maintenance LAN interface provides Copper
3 ports and supports 100 M bit/s. The maintenance LAN
interface is connected by the HUB inside. Connection with
array unit allows you to access to the array unit and NAS
unit together.
LAN interface in the NAS unit for the NAS system
management. Management LAN interface provides Copper
1 port and supports 1Gbit/s.
Microprogram
NAS interface
board
NAS OS
NAS unit
A program that controls the basic hardware operation.
An interface board used by array unit side to connect NAS
unit and array unit.
Software that operates in NAS unit, and that processes file
access and network protocols related to other NASs.
A unit connected to the array unit to use the Network
Attached Storage (NAS) function.
NAS unit is sometimes referred to as NAS Node Controller
(NNC).