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Logical Unit Number (LUN)

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Storage

A logical unit of storage.

NetApp — Network Appliance Corporate Glossary

Related Storage terms

Block Data
blocking factor
data consistency
database replication
EMRL (Embedded RAID Logic)
LUN
LUN (Logical Unit Number)
tape block
tape device
UCB (Unit Control Block)
Unified Block and File Architecture

Nearby Storage terms

0-9A B C D E F G H I J K L M N O P Q R S T U V WXY Z

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Definitions are reproduced with attribution to their original sources; each entry links to the source and shows when it was retrieved. About · FAQ · Data build 2026-10-15.