Hi Everyone,

 

I have an 8TB drive that I received from BackBlaze (recovery of another system) as an external USB.  I shucked it and have tried to add it to my array, but there's a message next to the drive that says "Unmountable: Unsupported partition layout."

 

There is nothing on the drive so I'm not concerned about formatting it - but when I check the box and ask Unraid to format it, it says "formatting" and a handful of seconds later it comes back exactly the same as it was - with the same message and the option to format the drive again.  (I have tried following other forum entries that are similar; I've rebooted, I've added the Unassigned Devices plugin (but it doesn't seem the drive mounts; not sure what to do) and can't figure this out.)

 

It looks to me like there might be two partitions on the drive:

 

How can I resolve this?  I'm not Linux experienced at all but I'm wondering if I can somehow drop to the command prompt and format the disk directly?  (how can I be sure to select the right disk to format if that's the right course of action?)

 

Thanks,

 

Russell

Edited July 9, 20205 yr by RussellinSacto

Please post the diagnostics: Tools -> Diagnostics (after trying to format it)

Thanks Johnnie,

 

Please find attached.

 

Russell

 

palmwood-diagnostics-20200707-1108.zip

Edited July 7, 20205 yr by RussellinSacto

Lots of ATA errors, looks more like a connection issue, start by replacing both cables.

Thanks Johnnie,

 

I swapped both power and data to the drive.  Unraid still failed to format it.

 

I hooked the drive up to my Windows VM as a USB drive and Windows was happy to format the disk and use it (different cable/power, being USB connected)...

 

I reconnected it and rebooted back to Unraid and the drive still won't format.  Logs attached again.

palmwood-diagnostics-20200708-2217.zip

 

What else I can try?  Any possibility that since this was originally a USB drive (before I "shucked" it) that it might have a jumper setting or something odd that I need to check?

 

Thanks,

 

Russell

Edited July 9, 20205 yr by RussellinSacto

Still ATA errors, make sure it's not the 3.3v SATA pin issue, you can google that, other than that try a different port/controller.