Multiple choice technology architecture

Three HBAs have been zoned to the same storage array port. What strategy should you use to restrict and control access to specific storage devices by each of the HBAs ?

  1. LUN masking

  2. Port zoning

  3. Mixed zoming

  4. WWN zoning
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A Correct answer
Explanation

When multiple HBAs are zoned to the same storage array port, LUN (Logical Unit Number) masking is the appropriate strategy to restrict which specific storage devices each HBA can access. LUN masking operates at the storage array level, allowing administrators to present only specific LUNs to each HBA's WWN (World Wide Name). WWN zoning operates at the switch level and is too broad. Port zoning also controls connectivity but at a different layer. LUN masking provides the granular device-level control needed.

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