Logical unit number masking

Fibre Channel
Layer 4. Protocol mapping
LUN masking
Layer 3. Common services
Layer 2. Network
Fibre Channel fabric
Fibre Channel zoning
Registered state change notification
Layer 1. Data link
8b/10b encoding
Layer 0. Physical

In computer storage, logical unit number masking (LUN masking) is an authorization process that makes a logical unit number (LUN) available to some hosts and unavailable to other hosts.

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