Replace Faulty Nodes POWEREDGE-XE-OPERATE Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   An administrator is troubleshooting a PowerEdge XE chassis where one node is intermittently dropping off the network and showing high latency. The chassis has four nodes, and the iDRAC web interface shows all nodes as 'Online' but with varying health statuses. The administrator needs to isolate which specific node is faulty before proceeding with any physical intervention.

   • APower cycle all nodes in the chassis simultaneously to clear any transient faults and restore normal operation.
   • BPhysically inspect each node's front-panel LEDs to find the one with a solid amber light, as that is the only reliable indicator of a fault.
   • CUse the chassis management controller to view each node's system event log and identify which node reports network interface errors or resets.
   • DCheck the chassis-level power supply status to determine if a power issue is causing the network problems on all nodes.
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2. 7application · medium

   A technician is installing a replacement node in a PowerEdge XE chassis. After sliding the node in, the technician notices that the front-panel LED is not lighting up when the node is powered on. The technician needs to determine the cause.

   • AReplace the node's power supply unit, as the LED not lighting up indicates a failed PSU.
   • BCheck that the node is fully seated in the chassis and that the locking latch is engaged, as an incomplete connection can prevent power from reaching the node.
   • CCheck the chassis power supply status, as the node's LED not lighting up indicates a chassis-level power failure.
   • DUpdate the node's BIOS firmware, as the LED not lighting up is a firmware issue.
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4. 8application · medium

   A PowerEdge XE chassis has four nodes, and one node is experiencing random reboots. The system event log shows a 'Watchdog timeout' error on the node, but the administrator is unsure if the issue is with the node itself or the chassis power supply. The administrator needs to isolate the faulty component.

   • ASwap the node with a known-good node from another slot to see if the problem follows the node or the slot.
   • BCheck the chassis power supply status and the node's power consumption in the CMC to rule out power issues before focusing on the node.
   • CReplace the node immediately, as a watchdog timeout is always caused by a faulty node processor.
   • DUpdate the node's firmware to the latest version, as watchdog timeouts are always caused by outdated firmware.
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5. 9application · medium

   After replacing a faulty node in a PowerEdge XE chassis, the technician powers on the replacement node. The node's front-panel LED turns solid blue, but the iDRAC web interface still shows the node as 'Offline'. The technician needs to verify that the node is functioning correctly.

   • APower cycle the entire chassis to force the node to be recognized by the management controller.
   • BCheck the chassis management controller to see if the node is recognized and then review the system event log for any POST errors.
   • CReseat the node by removing and reinserting it, as the blue LED indicates a seating problem.
   • DAssume the node is faulty and immediately request a replacement, since the LED is blue but the node is offline.
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6. 10application · medium

   An administrator is monitoring a PowerEdge XE chassis and notices that one node is reporting a high number of corrected PCIe errors in the system event log. The node's performance has degraded by 20% over the past week, but it is still serving traffic. The administrator needs to decide whether to replace the node.

   • AMonitor the error rate and performance trend for another week to see if the degradation stabilizes before deciding.
   • BReplace the node immediately, as any PCIe errors indicate a failing component that will soon cause a complete failure.
   • CReview the error thresholds in the iDRAC logs and compare the current error rate to the baseline to determine if the node is within acceptable limits.
   • DDisable the PCIe slot reporting in the BIOS to suppress the errors and prevent the performance degradation from affecting the workload.
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