trurl

USB not recommended for array or pools for many reasons

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You must have overlooked all these: May 13 08:21:13 Gringotts kernel: md: disk1 read error, sector=2312 May 13 08:21:13 Gringotts kernel: md: disk2 read error, sector=2312 May 13 08:21:13 Gringotts kernel: md: disk3 read error, sector=2312 And lots more before and after. Since multiple disks are involved, probably a power or controller issue. Any power splitters?

We're you following the current documentation for parity Swap? There is no reason to enter mdcmd.

The config folder from your flash backup has all of your configuration when the backup was made. You can copy that config folder to a new install. See if you can still use the same flash so you won't have to transfer the license. You should consider getting UPS for your server.

Or maybe something broken in the way their browser is rendering the Community Applications page for that docker. Shouldn't be in bug reports . Post in General Support with a description of your problem and your Diagnostics

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Why are you loading so many things in /boot/extra?

Post new diagnostics

The config folder on flash has all of your configuration. Backup and restore config folder

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Try to use the same flash drive so you don't have to do a license transfer.

Repairing the filesystem will not fix that. But it will allow you to rebuild a mountable filesystem now. Looks like repair didn't create any lost+found, and the emulated disks are mounted with plenty of data. You can rebuild both at the same time. https://docs.unraid.net/unraid-os/manual/storage-management/#rebuilding-a-drive-onto-itself

https://forums.unraid.net/topic/48707-additional-scripts-for-userscripts-plugin/?do=findComment&comment=480177