Describe PowerFlex Upgrades / Upgrade a PowerFlex Cluster POWERFLEX-OPERATE Practice Questions (Page 1)

Questions 1–5

1. 1expert · hard

   A company is upgrading its PowerFlex cluster from version 3.6 to 4.0. The administrator has verified that the hardware and software are compatible. However, the company uses a custom monitoring tool that relies on the PowerFlex REST API. The administrator is concerned that the API might change after the upgrade. What should the administrator do?

   • AReview the API documentation for the target version to identify any changes.
   • BProceed with the upgrade and fix the monitoring tool if it breaks.
   • CDisable the monitoring tool during the upgrade.
   • DUpgrade the monitoring tool before upgrading the cluster.
   Reveal Solution Discussion Select an answer first
2. 2expert · hard

   An administrator is upgrading a PowerFlex cluster. The cluster has 4 MDM nodes and 8 SDS nodes. The administrator has upgraded the MDM nodes and is now upgrading the SDS nodes. During the upgrade of the third SDS node, the node fails, and the cluster reports a 'Degraded' status. The administrator checks the logs and finds that the node's storage controller firmware is incompatible with the new PowerFlex version. What should the administrator do?

   • AUpdate the storage controller firmware and re-run the SDS upgrade.
   • BProceed with upgrading the remaining SDS nodes and address the failed node later.
   • CRoll back the MDM nodes to the previous version.
   • DReplace the SDS node with a new one that has compatible firmware.
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4. 3expert · hard

   After completing a PowerFlex cluster upgrade, the administrator runs a health check and finds that the cluster is 'Healthy'. However, the administrator notices that the performance of the cluster has degraded significantly compared to before the upgrade. What should the administrator do?

   • AIgnore the performance degradation if the cluster is healthy.
   • BRoll back the cluster to the previous version.
   • CCheck the performance metrics and logs to identify the cause of the degradation.
   • DReboot all nodes to clear any residual issues.
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5. 4application · medium

   An administrator is upgrading a PowerFlex cluster. The cluster has 4 MDM nodes and 10 SDS nodes. The administrator wants to ensure that the MDM quorum is maintained during the upgrade. What should the administrator do?

   • AUpgrade all MDM nodes at the same time to minimize the upgrade window.
   • BUpgrade the SDS nodes first, then upgrade the MDM nodes.
   • CUpgrade MDM nodes one at a time, verifying quorum after each upgrade.
   • DUpgrade the MDM nodes in pairs to speed up the process.
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6. 5foundation · easy

   Which action is part of post-upgrade verification to ensure that the PowerFlex cluster is functioning correctly?

   • ADisable the monitoring and alerting features
   • BVerify that all SDS and SDC components report a healthy status
   • CReboot all nodes simultaneously
   • DDelete all snapshots and replications
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