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articles/operator-nexus/TOC.yml

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items:
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- name: Troubleshoot Resource Health alerts
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href: troubleshoot-resource-health-alerts.md
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- name: Troubleshoot failed volume attachments
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href: troubleshoot-failed-volume-attachments.md
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- name: Troubleshoot storage control plane connectivity issues.
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href: troubleshoot-storage-control-plane-disconnected.md
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- name: Troubleshoot unhealthy Container Storage Interface (CSI) pods
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href: troubleshoot-unhealthy-container-storage-interface.md
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- name: Troubleshoot Unhealthy Network File System pods
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href: troubleshoot-network-file-system-unhealthy.md
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- name: Troubleshoot Unhealthy or Degraded Storage Appliance
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href: troubleshoot-unhealthy-degraded-storage-appliance.md
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- name: Storage Appliance
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articles/operator-nexus/troubleshoot-failed-volume-attachments.md

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---
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title: Troubleshooting failed volume attachments
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title: Troubleshoot failed volume attachments
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description: Troubleshooting Azure Resource Health alerts about failed volume attachments
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author: jensheasby
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ms.author: jensheasby
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ms.service: azure-operator-nexus
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---
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# Troubleshooting failed volume attachments - Azure Resource Health
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# Troubleshoot failed volume attachments - Azure Resource Health
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This article provides troubleshooting advice and escalation methods for Operator Nexus clusters that are
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reporting failed volume attachments in Azure Resource Health.
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This alert may be seen at the same time as the `ControlPlaneStorageConnectivityUnhealthyVIP` alert. In this
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case, the lost connectivity on the storage control plane is likely the cause of the failed attachments. You
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should follow the [troubleshooting guide for that issue]. If after resolving that incident, this alert persists,
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should follow the [Troubleshooting guide for that issue]. If after resolving that incident, this alert persists,
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return to this guide.
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If control plane connectivity issues are not the root cause, you should raise a ticket with Microsoft, quoting the
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text of this troubleshooting guide, and the Azure resource ID of the affected cluster.
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[troubleshooting guide for that issue]: ./troubleshoot-storage-control-plane-disconnected.md
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[Troubleshooting guide for that issue]: ./troubleshoot-storage-control-plane-disconnected.md

articles/operator-nexus/troubleshoot-network-file-system-unhealthy.md

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---
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title: Troubleshooting unhealthy NFS pods
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title: Troubleshoot unhealthy NFS pods
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description: Troubleshooting Azure Resource Health alerts about NFS
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author: jensheasby
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ms.service: azure-operator-nexus
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---
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# Troubleshooting unhealthy NFS pods - Azure Resource Health
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# Troubleshoot unhealthy NFS pods - Azure Resource Health
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This article provides troubleshooting advice and escalation methods for Operator Nexus clusters that are
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reporting unhealthy Network File System (NFS) pods in Azure Resource Health.
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existing `nexus-shared` volumes may experience data plane disruption, and new `nexus-shared` volumes may
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fail to be created.
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## Troubleshooting
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## Troubleshoot
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You should raise a ticket with Microsoft, quoting the text of this troubleshooting guide, and the Azure
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resource ID of the affected cluster.

articles/operator-nexus/troubleshoot-storage-control-plane-disconnected.md

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title: Troubleshooting storage control plane connectivity issues.
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title: Troubleshoot storage control plane connectivity issues.
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description: Troubleshooting Azure Resource Health alerts about control plane connectivity issues.
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author: jensheasby
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ms.service: azure-operator-nexus
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# Troubleshooting control plane connectivity issues - Azure Resource Health
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# Troubleshoot control plane connectivity issues - Azure Resource Health
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This article provides troubleshooting advice and escalation methods for Operator Nexus clusters that are
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reporting issues with control plane connectivity in Azure Resource Health.
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volumes cannot come up, and existing workloads that rely on `nexus-volume` volumes cannot be migrated to a
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new node. Additionally, new cloud services networks cannot be created.
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## Troubleshooting
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## Troubleshoot
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The cluster may be marked as degraded during a storage appliance upgrade, since these upgrades take controllers
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offline one by one. The cluster should return to healthy status after the upgrade is complete.

articles/operator-nexus/troubleshoot-unhealthy-container-storage-interface.md

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title: Troubleshooting unhealthy CSI (storage)
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title: Troubleshoot unhealthy CSI (storage)
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description: Troubleshooting Azure Resource Health alerts about unhealthy CSI pods (storage)
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author: jensheasby
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# Troubleshooting unhealthy CSI pods (storage) - Azure Resource Health
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# Troubleshoot unhealthy CSI pods (storage) - Azure Resource Health
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This article provides troubleshooting advice and escalation methods for Operator Nexus clusters that are
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reporting unhealthy Container Storage Interface (CSI) pods in Azure Resource Health.
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relying on `nexus-volume` storage may fail to come up, or existing workloads may not be able to be migrated.
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You may also experience issues provisioning new cloud services networks.
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## Troubleshooting
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## Troubleshoot
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You should raise a support ticket with Microsoft, quoting the text of this troubleshooting guide, and the Azure
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resource ID of the affected cluster.

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