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Question 34 - NS0-521 discussion

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A customer opens a support case for performance issues with an FC Oracle database after migrating from a NetApp AFF system to a NetApp All SAN Array (ASA) platform. Further investigation shows that the number of paths exceeds the recommendation for SAN deployment.

What are two ways to address this problem? (Choose two.)

A.
Use Selective LUN Mapping.
Answers
A.
Use Selective LUN Mapping.
B.
Reconfigure the fabric switch zoning.
Answers
B.
Reconfigure the fabric switch zoning.
C.
Have the database team change their backup and recovery schedules for the database.
Answers
C.
Have the database team change their backup and recovery schedules for the database.
D.
Reconfigure the ALUA settings.
Answers
D.
Reconfigure the ALUA settings.
Suggested answer: A, B

Explanation:

When the number of paths exceeds the recommended configuration for SAN deployment, it can cause performance issues. To address this problem, you can:

Use Selective LUN Mapping (SLM): SLM allows you to control which LIFs (Logical Interfaces) are used to access specific LUNs, thus reducing the number of paths and potentially improving performance by aligning with best practice configurations.

Reconfigure the fabric switch zoning: Adjusting the zoning on the fabric switches can help manage and optimize the number of paths, ensuring that there are not too many paths that could lead to inefficient I/O operations and performance degradation.

For more details, refer to:

NetApp SAN Host Configuration

NetApp Best Practices for SAN

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asked 23/09/2024
Gage Adams
37 questions
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