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Question 92 - D-PSC-MN-01 discussion

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A platform engineer is replacing a compute node in a Dell EMC PowerScale Gen 6 cluster.

Which command should they use to power off the node?

A.

Isi status -q

Answers
A.

Isi status -q

B.

Isi status -h

Answers
B.

Isi status -h

C.

Shutdown -p now

Answers
C.

Shutdown -p now

D.

Shutdown -h now

Answers
D.

Shutdown -h now

Suggested answer: C

Explanation:

To safely power off a node in a Dell EMC PowerScale cluster, use the shutdown command with the appropriate options.

Command Details:

shutdown -p now:

shutdown: Initiates a system shutdown.

-p: Powers off the system after shutdown.

now: Executes the command immediately.

Why Other Options Are Incorrect:

Option A (isi status -q): Displays cluster status; doesn't control power.

Option B (isi status -h): Invalid option; isi status doesn't power off nodes.

Option D (shutdown -h now): Halts the system but may not power it off.

Dell PowerScale

Reference:

Dell EMC PowerScale OneFS Administration Guide:

Shutting Down Nodes Section:

Recommends using shutdown -p now for powering off nodes.

Safety Precautions:

Advises to notify users and ensure no critical processes are running.

Best Practices:

Verify that the node is not hosting critical services before shutdown.

Inform cluster administrators of maintenance activities.

asked 29/10/2024
Joel Vasco Rodriguez
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