April 1, 20242 yr Looking for help please! So I've made some mistakes and don't know what to do at this point to prevent data loss and restore unRAID as per how I used to have it. It all started with some simple changes that should not have affected anything. I added a HDD and LSI 9211-8i P20 IT Mode Sas controller. After I started unRAID back up it showed 1 device (disk1) missing from the array. So I restarted and the next time it showed 2 disks missing from the array. Then eventually 3 disks missing, then 2 again, and so forth. No rhyme or reason as to why different disks would be missing. Ultimately I tried to establish new config (without preserving disk assignments), which I know now was a mistake, and don't know what to do. So where i'm at right now is, the motherboard will not see 2 of my HDD's in the Bios. I've tried every combination of sata cables and power cables from working drives and the 2 will not show up no matter what. If I take a portable usb sata adapter and plug the drive into one of the motherboard usb ports, it shows up in unassigned devices just fine. So at this point the array is missing 2 drives with a lot of data on each and I have left the server off until I can figure this out as to prevent data loss. Can anyone please help or tell me where to begin. As far as the 2 drives not showing up in the motherboard bios, I'm tempted to think they'll show up again if I were able to format them, but at this point I don't want to do that as I will lose data.
April 1, 20242 yr Community Expert Do the unassigned disks mount with UD? If yes you can use it to copy the data to other array disks, assuming there's space.
April 2, 20242 yr Author They do as long as I connect them to unRAID using an external sata usb connector. What would be the best way to move that data back to the array? Would I have to move the information share by share or is there something simpler?
April 2, 20242 yr Community Expert You can do a new config to create a new array without those disks, then move the data using for example Dynamix File Manager, or midnight commander, move from share (top level folders on UD) to the respective share.
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