D-PSC-MN-01 Free Sample Questions

A maintenance engineer has just replaced a faulty Power Supply Unit (PSU), a Field Replaceable Unit (FRU), in a PowerScale Gen 6.5 F600 node. After powering the node back on, the OneFS WebUI continues to display a critical hardware alert for the same PSU slot. The node's amber fault LED remains illuminated. The engineer has already reseated the new PSU and confirmed power is being supplied from the PDU. Which command should the engineer run next via an SSH session to the node to gather detailed fault data and determine if the issue is with the new PSU, the slot, or the midplane?

An administrator is planning a rolling upgrade of a large, mixed-generation PowerScale cluster from OneFS 9.4 to 9.8. The cluster contains both Gen 6 and newer Gen 6.5 nodes. To minimize risk and ensure a smooth upgrade process, which THREE of the following actions are mandatory pre-upgrade validation steps? (Select THREE)

A financial services firm is deploying a new 10-node PowerScale H7000 hybrid cluster in a high-density data center. The deployment is managed by a third-party contractor, and your role is to perform the final validation before the installation team proceeds with racking and cabling the equipment, which has just arrived on site. The contractor provides you with a completed Product Evaluation Questionnaire (PEQ) and a set of installation documents generated by the SolVe Desktop tool. The PEQ indicates that the data center has specific, non-standard power distribution, using 208V 30A circuits with L6-30R receptacles. The data center operations team has also mandated that no single rack can exceed 80% of its provisioned power budget. Given this scenario, what is the most critical verification step you must perform before authorizing the contractor to begin the physical installation?

A technician is adding a new PowerScale node to an existing cluster. The cluster utilizes a leaf-spine network architecture with two redundant backend switches for the node interconnect and two redundant front-end switches for client access. According to Dell's best practices for ensuring maximum availability and performance, which cabling scheme is correct for the new node? ```mermaid graph TD subgraph New Node BE1[Backend Port 1] BE2[Backend Port 2] FE1[Front-End Port 1] FE2[Front-End Port 2] end subgraph Backend Network BSW1[Backend Switch 1] BSW2[Backend Switch 2] end subgraph Front-End Network FSW1[Front-End Switch 1] FSW2[Front-End Switch 2] end BE1 -->|?| BSW1 BE1 -->|?| BSW2 BE2 -->|?| BSW1 BE2 -->|?| BSW2 FE1 -->|?| FSW1 FE1 -->|?| FSW2 FE2 -->|?| FSW1 FE2 -->|?| FSW2 ```

A storage administrator has replaced a failed drive in a PowerScale F200 node. After the replacement, the drive's LED remains amber, and the drive is not recognized by OneFS. The administrator has already confirmed the drive is correctly seated and the event log shows a generic 'drive failed' event. Which command should the administrator run FIRST to gather specific hardware-level details about the drive bay and its connection status to determine if the issue is with the drive, the bay, or the backplane?

A systems engineer is preparing to perform a major OneFS upgrade on a production PowerScale cluster from version 9.4.x to 9.8.x. The cluster consists of both Gen 6 and Gen 6.5 nodes. To minimize risk and ensure a successful rolling upgrade, which THREE of the following pre-upgrade checks are mandatory? (Select THREE)

An installation engineer arrives at a customer site to deploy a new PowerScale cluster. The engineer has a set of SolVe-generated documents that detail a standard installation in Rack 10, with power drawn from PDUs A and B. However, the customer provides a recently updated Product Evaluation Questionnaire (PEQ) which states that due to a last-minute data center change, Rack 10 is no longer available and the cluster must be installed in Rack 15. The PEQ also specifies that Rack 15's PDUs C and D are fed from a different power circuit with a lower amperage rating than originally planned for Rack 10. Given this discrepancy between the formal SolVe plan and the customer's on-site PEQ, what is the most critical validation step the engineer must perform before physically racking any of the PowerScale nodes?

A technician is cabling a new PowerScale node into a rack that contains two redundant backend InfiniBand or Ethernet switches (Switch 1 and Switch 2) for internal cluster communication, and two redundant front-end Ethernet switches (Switch A and Switch B) for client access. To ensure maximum network resiliency and high availability according to Dell's best practices, how should the node's network ports be connected?

A maintenance engineer is tasked with replacing a faulty Battery Backup Unit (BBU) in a PowerScale Gen 6.5 node that has reported a critical hardware alert. After physically swapping the FRU, which CLI command should the engineer use to specifically verify the status, charge level, and health of the newly installed BBU?

During a pre-upgrade health check for a move to OneFS 9.8, an administrator's script flags several nodes for having outdated NIC firmware, which is below the minimum version required in the PowerScale Supportability and Compatibility Guide. The upgrade process has been halted. Which sequence of actions is the correct way to remediate this issue before resuming the OneFS upgrade?