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add mpath trouble shooting for pflex #270

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Jun 29, 2022
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add mpath trouble shooting for pflex #270

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1 change: 1 addition & 0 deletions content/docs/csidriver/troubleshooting/powerflex.md
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Expand Up @@ -21,6 +21,7 @@ description: Troubleshooting PowerFlex Driver
| Driver install or upgrade fails because of an incompatible Kubernetes version, even though the version seems to be within the range of compatibility. For example: `Error: UPGRADE FAILED: chart requires kubeVersion: >= 1.21.0 <= 1.23.0 which is incompatible with Kubernetes V1.21.11-mirantis-1` | If you are using an extended Kubernetes version, please see the helm Chart at `helm/csi-vxflexos/Chart.yaml` and use the alternate `kubeVersion` check that is provided in the comments. *Please note* that this is not meant to be used to enable the use of pre-release alpha and beta versions, which is not supported. |
| Volume metrics are missing | Enable [Volume Health Monitoring](../../features/powerflex#volume-health-monitoring) |
| When a node goes down, the block volumes attached to the node cannot be attached to another node | This is a known issue and has been reported at https://github.com/kubernetes-csi/external-attacher/issues/215. Workaround: <br /> 1. Force delete the pod running on the node that went down <br /> 2. Delete the volumeattachment to the node that went down. <br /> Now the volume can be attached to the new node. |
| CSI-PowerFlex volumes cannot mount; are being recognized as multipath devices | CSI-PowerFlex does not support multipath; to fix: <br/> 1. Remove any multipath mapping involving a powerflex volume with `multipath -f <powerflex volume>` <br/> 2. Blacklist CSI-PowerFlex volumes in multipath config file |

>*Note*: `vxflexos-controller-*` is the controller pod that acquires leader lease