nerdexam
Network_Appliance

NS0-157 · Question #341

Which of the following statements is true about giveback with storage failover?

The correct answer is C. The surviving partner returns ownership of the root aggregate first followed by the other. During storage failover giveback, aggregate ownership is returned in a specific sequence to ensure the recovered node initializes correctly before data access resumes.

Data Protection and High Availability

Question

Which of the following statements is true about giveback with storage failover?

Options

  • AThe surviving partner returns ownership of all the aggregates all at the same time to its partner
  • BThe surviving partner returns ownership of the all the aggregates and the data LIFS to its partner
  • CThe surviving partner returns ownership of the root aggregate first followed by the other
  • DI/O only resumes when all aggregates are returned to the partner node

How the community answered

(40 responses)
  • A
    3% (1)
  • C
    95% (38)
  • D
    3% (1)

Why each option

During storage failover giveback, aggregate ownership is returned in a specific sequence to ensure the recovered node initializes correctly before data access resumes.

AThe surviving partner returns ownership of all the aggregates all at the same time to its partner

Aggregates are not returned simultaneously; the root aggregate must be returned first to allow the node to reach an operational state before data aggregate ownership transfers.

BThe surviving partner returns ownership of the all the aggregates and the data LIFS to its partner

Data LIFs are not part of the aggregate giveback sequence; LIF migration is a separate process that ONTAP manages independently of aggregate ownership transfers.

CThe surviving partner returns ownership of the root aggregate first followed by the otherCorrect

The giveback process returns the root aggregate first so the recovered node can boot and initialize its ONTAP operating environment. Once the root aggregate is online, data aggregates are returned sequentially, allowing I/O to resume on a per-aggregate basis rather than waiting for a full batch return.

DI/O only resumes when all aggregates are returned to the partner node

I/O resumes on a per-aggregate basis as each aggregate is given back, so clients can access data progressively rather than waiting for all aggregates to be returned.

Concept tested: Storage failover giveback order and sequence

Source: https://docs.netapp.com/us-en/ontap/high-availability/ha_how_giveback_works.html

Topics

#storage failover#giveback#aggregate ownership#HA pair

Community Discussion

No community discussion yet for this question.

Full NS0-157 Practice