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Exam NS0-093 Topic 1 Question 58 Discussion

Actual exam question for Network Appliance's NS0-093 exam
Question #: 58
Topic #: 1
At what stage is a write acknowledged to a client?

Suggested Answer: C Vote an answer

* In a clustered ONTAP system, write requests are acknowledged to the client only after they are securely stored in NVRAM on both the local node and its HA (High Availability) partner.
* This ensures redundancy and data protection in case of a node failure.
Write Acknowledgment in NetApp ONTAP:
* A. when the write is present in the local node RAM and NVRAM:
* Writes are not acknowledged until the HA partner also stores the data in its NVRAM.
* B. when the write has been flushed to disk:
* Writes are acknowledged before they are written to disk, as NVRAM ensures durability.
* D. when the write has been flushed from NVRAM to RAM:
* Data is not acknowledged based on RAM; NVRAM on both nodes is the requirement.
Why Other Options Are Incorrect:
* NetApp's "ONTAP Write I/O Processing Guide" explains the role of NVRAM and HA in write acknowledgment.
* "Data Protection in ONTAP" highlights the synchronization of NVRAM between HA partners.
References:

by Maximilian at Jan 11, 2025, 02:38 AM

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