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EMC Dell PowerScale Maintenance Exam Sample Questions (Q29-Q34):
NEW QUESTION # 29
A node has been removed from a Dell PowerScale cluster running OneFS 9.0.
Which PowerScale feature redistributes data across the remaining nodes?
Answer: B
NEW QUESTION # 30
An engineer replaced a failed node in a PowerScale H500 due to hardware issues. They must verity that the replacement node is functioning correctly.
What is a crucial step when replacing the failed node in the cluster?
Answer: D
Explanation:
After replacing a failed node in a PowerScale H500 cluster, it is crucial torun a diagnostic test on the replacement nodeto ensure it is functioning correctly and can integrate seamlessly into the cluster.
* Importance of Diagnostics:
* Verify Hardware Functionality:
* Ensures all components of the replacement node are working properly.
* Identify Potential Issues:
* Detects any hardware faults or configuration problems before the node joins the cluster.
* Diagnostic Procedures:
* Boot Diagnostics:
* During startup, the node performs POST (Power-On Self-Test).
* OneFS Healthcheck:
* Use the isi diagnostics commands to run health checks on the node.
* Cluster Integration Tests:
* Verify network connectivity, storage availability, and cluster communication.
* Steps to Run Diagnostics:
* Physical Inspection:
* Ensure all cables and components are properly connected.
* Power On the Node:
* Observe for any error lights or beep codes.
* Execute Diagnostic Commands:
* Run isi_hw_status to check hardware status.
* Use isi_diag tools for comprehensive testing.
* Review Logs:
* Check system logs for any error messages.
* Why Other Options Are Less Crucial:
* B. Confirm that the replacement node inherits the old serial number from the cluster:
* Serial numbers are hardware-specific and cannot be inherited.
* Nodes have unique serial numbers; cluster identity is managed logically.
* C. Verify the size of the storage capacity of the replacement node:
* While important, it's generally assumed that the replacement node matches the failed node's specifications.
* Not as crucial as ensuring the node functions correctly.
* D. Power on the replacement node and ensure it connects to the network without any problems:
* Necessary, but this is part of the diagnostic process.
* Running diagnostics encompasses powering on and verifying network connectivity.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Administration Guide:
* Provides information on monitoring and diagnostics commands.
* Node Replacement Procedures in SolVe Online:
* Outline the steps for replacing nodes and the importance of running diagnostics.
* Best Practices for Cluster Maintenance:
* Emphasize verifying node health before adding it to the cluster.
NEW QUESTION # 31
What step should be performed when testing connectivity between a Dell EMC PowerScale cluster and an NFS client?
Answer: C
Explanation:
To test connectivity between a Dell EMC PowerScale cluster and an NFS client, you should create an NFS export on the cluster and then mount it on the client. This verifies both network connectivity and proper NFS configuration.
Steps to Test NFS Connectivity:
* Create an NFS Export on the Cluster:
* Use the OneFS web administration interface or CLI to create an NFS export.
* Specify the directory path and configure export permissions.
* Configure Client Access:
* Ensure the client's IP address is allowed in the export settings.
* Adjust network configurations if necessary.
* Mount the NFS Export on the NFS Client:
* Use the mount command on the client:
mount -t nfs <cluster_ip>:/export_path /mount_point
* Replace <cluster_ip>, /export_path, and /mount_point with appropriate values.
* Verify Access:
* Navigate to the mount point and perform read/write operations as permitted.
Why Other Options Are Incorrect:
* Option A:Mapping a drive is applicable to SMB (Windows) clients, not NFS.
* Option B:Pinging the DNS server tests name resolution, not NFS connectivity.
* Option D:Accessing the cluster via a web browser tests HTTP connectivity.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Administration Guide:
* Chapter on NFS Exports:
* Details on creating and managing NFS exports.
* Testing Connectivity Section:
* Provides steps to verify NFS client connections.
* Best Practices:
* Ensure network ports for NFS traffic are open.
* Match UID/GID mappings between client and cluster for proper permissions.
NEW QUESTION # 32
A platform engineer is installing a fully populated Dell PowerScale Gen 6 chassis in a customer rack.
However, the equipment lift is broken.
What is the appropriate course of action to take before attempting to lift the chassis?
Answer: D
NEW QUESTION # 33
Refer to the exhibit.
A platform engineer has connected power cables to a Dell PowerScale Gen 6 node.
What do the status lights indicate?
Answer: D
NEW QUESTION # 34
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