Encountered an issue I haven’t seen at work, caused by re-using disks in my homelab. The disks were previously in use on a Windows Server, and after transferring the disks to my main homelab server I couldn’t create a VMFS partition from the vSphere GUI. I received the error “Call HostDatastoreSystem.QueryVmfsDatastoreCreateOptions for object ha-datastoresystem on ESXi xxx.xxx.xxx.xx failed” and couldn’t format the disk. The solution it to overwrite any partition data on the disk with a…
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