September 2, 20205 yr Hi all - I am currently trying to expand my unraid setup. I am running a intel nuc with a mobius usb 5bay drive bay. I am trying to add another mobius usb 5bay drive bay, but once the 2nd bay I get device model and ID conflicts im unsure how to resolve in unraid. This error will spam over and over in the log until i remove the new drives/bay, then everything goes back to normal: emhttpd: device /dev/sdb problem getting id Is there a way to manually configure the device ids/model information so that unraid see's the new drive bay as unique? thanks for any help!
September 2, 20205 yr Community Expert This is probably unavoidable with these USB enclosures. Also, USB isn't recommended for cache pool or parity array. USB connections aren't reliable enough for the permanent connections required by parity array or cache pool. And having multiple disks using the same port is going to be a serious bottleneck for any parity operations. The only way I would consider this setup is for a NAS with no parity. Once you add parity to the mix, the bottleneck becomes apparent, and any disconnects will result in rebuilds since the array will be out-of-sync.
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