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The cards have conditions error badge with a message like

failed to force format device 3db9feafc2382c78d6a3a70815680a72: stderr: mke2fs 1.43.8 (1-Jan-2018) /dev/sdc is apparently in use by the system; will not make a filesystem here! , err: exit status 1

Thank you for bringing this issue to our attention. One possible solution to try is to access the built-in Longhorn UI and check if the error disk is present. If it is, you can attempt to remove it using the Longhorn UI. To access the Longhorn UI, you can follow the steps outlined in the following documentation: https://docs.harvesterhci.io/v1.1/troubleshooting/harvester#access-embedded-rancher-and-longhorn-dashboards Once you are logged into the Longhorn UI, you can navigate to the

Node

tab to view the nodes and their associated disks. After

Edit node and disks

, if the error disk is listed, you can try removing it, After that click

Save

Please let us know if this solution works for you. Thanks！

Yes, that worked. It was necessary to first disable scheduling.