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Question 59 - NS0-521 discussion

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What needs to be done to create a consistent Snapshot copy of a LUN without disruptions?

A.
Ensure that the LUN is the only one in the volume.
Answers
A.
Ensure that the LUN is the only one in the volume.
B.
Quiesce I/O to the LUN.
Answers
B.
Quiesce I/O to the LUN.
C.
Ensure that the LUN Is unmapped from the host.
Answers
C.
Ensure that the LUN Is unmapped from the host.
D.
Map the LUN to a host.
Answers
D.
Map the LUN to a host.
Suggested answer: B

Explanation:

To create a consistent Snapshot copy of a LUN without disruptions, it is necessary to quiesce I/O to the LUN. This process involves pausing or temporarily stopping the input/output operations to ensure that the data is in a consistent state when the snapshot is taken. This method is crucial for maintaining data integrity and consistency in the snapshot.

For further details, refer to:

NetApp Documentation on Snapshot Consistency

NetApp Best Practices for Snapshot Management

asked 23/09/2024
Erik-Jan Brul
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