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Question 62 - D-PSC-MN-01 discussion

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A Dell EMC PowerScale platform engineer is asked to reimage a node.

What should they check before they start the reimage process?

A.

The treedelete job has been run against the node.

Answers
A.

The treedelete job has been run against the node.

B.

Customer has redundant paths to their data.

Answers
B.

Customer has redundant paths to their data.

C.

Node has been SmartFailed and removed from the cluster.

Answers
C.

Node has been SmartFailed and removed from the cluster.

D.

SyncIQ job has been run to copy the node data.

Answers
D.

SyncIQ job has been run to copy the node data.

Suggested answer: C

Explanation:

Reimaging a node in a Dell EMC PowerScale cluster is a significant operation that requires careful preparation to prevent data loss and maintain cluster integrity.

Pre-Reimage Checklist:

SmartFail the Node:

Initiate a SmartFail process to evacuate data from the node to other nodes in the cluster.

Ensures that no data is lost during the reimage process.

Remove Node from Cluster:

After SmartFailing, the node should be properly removed from the cluster configuration.

Prevents cluster confusion and potential conflicts.

Key Points:

Data Protection:

SmartFailing redistributes data, maintaining data protection policies.

Critical for clusters that do not have full data redundancy.

Operational Readiness:

Verify that the cluster is healthy before proceeding.

Check that there are sufficient resources to accommodate data migration.

Dell PowerScale

Reference:

Dell EMC PowerScale OneFS Administration Guide:

Chapter on Node Removal and Replacement outlines the steps for SmartFailing and reimaging.

Data Protection Considerations emphasizes the importance of SmartFailing.

Best Practices:

Monitor the SmartFail process to completion before starting reimage.

Communicate with stakeholders about potential performance impacts during data evacuation.

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asked 29/10/2024
Chan Park
36 questions
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