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Question 59 - D-PSC-MN-01 discussion

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A platform engineer cables, powers up, and creates a new cluster of F600 nodes. While performing verification checks, no clients can access the cluster and the engineer cannot ping the nodes.

What is the probable issue?

A.

Manual reboot was not done following the cluster join.

Answers
A.

Manual reboot was not done following the cluster join.

B.

Network was connected to the F600 rNDC ports.

Answers
B.

Network was connected to the F600 rNDC ports.

C.

Nodes were connected to the management ports.

Answers
C.

Nodes were connected to the management ports.

D.

Internal network was cabled improperly.

Answers
D.

Internal network was cabled improperly.

Suggested answer: C

Explanation:

When setting up a new Dell EMC PowerScale F600 cluster, proper cabling is crucial for network connectivity and cluster functionality. The F600 nodes have multiple network ports:

Front-End (Client) Ports: For client network access.

Back-End (Internal) Ports: For node-to-node communication within the cluster.

Management Ports: Dedicated for node management and should not be used for client traffic.

Probable Issue:

Incorrect Cabling to Management Ports: If the nodes are connected to the management ports instead of the front-end network ports, clients will not be able to access the cluster, and the nodes will not respond to pings on the client network.

Key Points:

Management Ports Usage: Reserved for administrative tasks like cluster management and should not carry client data.

Impact of Misconfiguration: Connecting client networks to management ports leads to inaccessible services for clients.

Dell PowerScale

Reference:

Dell EMC PowerScale Networking Configuration Guide:

Chapter on Network Connectivity emphasizes the correct usage of network ports.

Illustrations showing proper cabling of front-end and management ports.

Installation Best Practices:

Verify all network connections according to the hardware installation guide.

Use the correct network ports for client and management traffic.

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asked 29/10/2024
Andrea Marini
31 questions
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