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Moved from mini-pc with USB disks to NAS pc: array not starting.

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Since I was having trouble with Unraid being unstable and loosing the /mnt/user share I decided to ditch the USB enclosure and go for a PC NAS.

 

I took the USB drives, placed them in the NAS and started Unraid.

 

My 2 pool SSD's where recognized. The Array was not, nor was the cache disk.

 

I used these instructions: 

 

All the drives are in the right place. Note: I do NOT have a parity drive, since I just have a pool with two 8TB SSD's and an Array with an 8 and a 4tb drive just for backup purposes.

 

After following the instructions all my drives went to "green". But after starting the array it just seems to sit there. I have been waiting for over an hour now, but all it says at the bottom of the screen is Array Starting•Mounting disks...

 

Can this take a very long time, or is something wrong?

  • Community Expert

Do the disks show unmountable? Post Main page screenshot

Edited by Kilrah

  • Community Expert

XFS seems to keep crashing when trying to mount it. Possible the enclosure was not transparent and the drives won't be readable outside of it, i.e. would have to put them back in, offload all the data somewhere else before putting the drives back in natively and reformatting/copying back. 

Edited by Kilrah

  • Author
1 hour ago, Kilrah said:

XFS seems to keep crashing when trying to mount it. Possible the enclosure was not transparent and the drives won't be readable outside of it, i.e. would have to put them back in, offload all the data somewhere else before putting the drives back in natively and reformatting/copying back. 

Now that would really suck big time...

But it actually sounds like a probability, so I will try.

  • Community Expert

The Unraid driver is crashing, that is almost always a hardware issue.

  • Author

Well, I have transferred the files back to the USB-C enclosure and tried to see what happened: exact same issue.

 

This is a brand new machine, what kind of hardware issue could I be looking at? Is it possible this is because I just plugged in the USB drive in the new machine, not do a fresh install?

  • Community Expert

Start by running memtest.

  • Author

Got it fixed! What I did:

 

  1. Moved the disks back to the old hardware (pc with usb-c storages).
  2. Made an extra backup... :P
  3. Moved ALL data from my array to the pool (pool is as large and is my main storage as it is all SSD).
  4. Removed all directories from the array and cache.
  5. Removed the disks from the array and cache.
  6. Put the disks in the new PC (all sata).
  7. Create new config, under tools.
  8. Assign the previous disks (except for cache, that was a different one).
  9. Start the array.

 

This time it works as I hoped!

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