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Dell EMC D-PSC-MN-01 Exam - Topic 3 Question 10 Discussion
Topic #: 3
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?
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.
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