Hi, Michael,
Thanks for your feedback! We’ve just released ZimaOS v1.2.2, which includes a fix for the issue of disabling single disks. You can update by checking for the red dot in the upper left corner of the web UI settings.
We’re also enhancing RAID features for v1.2.3, currently in testing.
If you have any questions or need assistance, feel free to reach out to our support team.
BTW, if you would like to get an early experience of ZimaOS and don’t mind using the beta version, you can refer to the ttyd usage instructions here to switch to our beta channel.