Describe PowerFlex Upgrades / Upgrade a PowerFlex Cluster POWERFLEX-OPERATE Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which prerequisite must be completed before starting a PowerFlex cluster upgrade to ensure that the system can be restored if the upgrade fails?

   • ATake a full backup of all user data on the cluster
   • BRecord the current cluster configuration and verify that a recent backup of the PowerFlex configuration exists
   • CCreate a snapshot of the PowerFlex management VMs
   • DDisable all replication and disaster recovery features
   Reveal Solution Discussion Select an answer first
2. 7expert · hard

   After a PowerFlex cluster upgrade, the administrator runs a health check and finds that the cluster is 'Healthy'. However, a few hours later, the administrator receives an alert that one SDS node is offline. The administrator checks the node and finds that it has rebooted. What should the administrator do?

   • AReplace the SDS node with a new one.
   • BIgnore the alert if the node comes back online.
   • CCheck the node's logs to determine why it rebooted.
   • DRoll back the entire cluster to the previous version.
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   An administrator is performing a PowerFlex cluster upgrade. After upgrading the MDM nodes, the administrator notices that the SDS nodes are still on the old version. What should the administrator do next?

   • ARoll back the MDM nodes to the previous version.
   • BVerify the MDM upgrade was successful before proceeding.
   • CProceed to upgrade the SDS nodes to the target version.
   • DReboot the SDS nodes to force them to upgrade.
   Reveal Solution Discussion Select an answer first
5. 9expert · hard

   A company is upgrading its PowerFlex cluster from version 3.5 to 4.0. The cluster has 8 SDS nodes and 3 MDM nodes. The administrator has already upgraded the MDM nodes to 4.0. During the SDS upgrade, the first SDS node fails to upgrade, and the cluster reports a 'Degraded' status. The administrator checks the logs and finds that the SDS node has a kernel module incompatibility. What should the administrator do?

   • AReboot the failed SDS node and check if it upgrades automatically.
   • BRoll back the MDM nodes to version 3.5 and retry the upgrade.
   • CProceed with upgrading the remaining SDS nodes and address the failed node later.
   • DUpdate the kernel module on the failed SDS node and re-run the SDS upgrade.
   Reveal Solution Discussion Select an answer first
6. 10application · medium

   After upgrading a PowerFlex cluster, an administrator notices that the cluster is reporting a 'Degraded' status. The administrator checks the logs and finds that one SDS node failed to upgrade. What should the administrator do next?

   • ARoll back the entire cluster to the previous version.
   • BIgnore the failed node and continue with other post-upgrade tasks.
   • CRe-run the upgrade on the failed SDS node and verify its status.
   • DReboot the failed SDS node and check if it comes back online.
   Reveal Solution Discussion Select an answer first