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High queue counts that significantly exceed 25,000 queues per node can increase the risk of upgrade disruptions and can cause temporary service availability issues in environments using NVMe/TCP connectivity. The health check result is reported as Failed when the detected queue count exceeds 25,000 .
An internal software module may unexpectedly restart during the NVMe/TCP controller cleanup process in the Non-Disruptive Upgrade (NDU) workflow, resulting in NDU failure Please refer to KB#000221927 PowerStore: NDU might fail due to large-scale NVMe/TCP connect host environment for additional details
Review the NVMe/TCP environment and determine whether the total configured NVMe/TCP I/O queue count exceeds the recommended limit of 25,000. If the queue count exceeds the recommended threshold, reduce the number of NVMe/TCP I/O queues by following the applicable host operating system and NVMe/TCP configuration guidelines. After the configuration changes have been applied, allow the changes to take effect and rerun the health check to verify that the queue count is within the recommended range. Contact Dell Technical Support for additional assistnace and reference KB#000476034
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