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3TB usb drive cannot be mounted as the file system is not recognised by readynas312
When I connect a 3TB USB drive to a rear USB3 port, my 2-bay Readynas312 sends me an email that says External storage device is connected but the file system is not recognized. The Western Digital 3...
Hi Mountm,
You may want to try checking first your USB drive with your Windows 10 PC and then safely remove after finishing the disk check. Connect it back to your ReadyNAS and see if it is recognized. Here is a link on how to run the disk utility check for win10/8:
http://www.thewindowsclub.com/disk-error-checking-windows-8
Hope this helps.
If it was formatted by Western digital, you could try reformatting it in the PC. Sometimes vendors use multiple partitions, which can confuse the NAS. You can see the partitions via windows disk manager (and you can delete them all, and then reinitialize the disk from there).
Since the disk is empty, you could also try formatting it in the NAS. Though I think you'll get more status info if you use a PC.
- Thank you for your suggestions. Windows says there is just one 2.72TB partition, all of which is reported as free. Using my PC I first did a quick format without joy, then a full format. It took a while, but still no change. The NAS does not see the USB drive so I can do nothing to it using the NAS.
What happens if you connect it to the USB port on the front?
If you download the logs what is the date in bios_ver.log?
Thank you for the suggestion. I ran check disk, but the NAS still does not see the USB drive.
I am wondering if at 3TB the USB drive is too large. The NAS is running firmware 6.9.1, so this is unlikely - threads in 2011 or so discussed similar issues with much earlier firmware versions . I may partition the USB drive into 2x 1.5TB drives, but that will defeat the purpose of having a large drive.
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