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ZFS Pool after Reboot is not imported | Need a ZFS Guru ;-)

Featured Replies

Hello Community.

 

I have been very busy with Unraid over the last few days and am currently very enthusiastic!

 

I was even able to import my ZFS system, which was previously running in Ubuntu, into Unraid without any problems.

 

I was also able to configure the shares accordingly via the “SMB Extras Configuration”.

 

No problems here either.

 

One thing bothers me though, after every restart of the server, the ZFS pool is no longer available. Every time I have to go back to the terminal and use “zpool import [poolname]” to mount my pool once again. Personally, I don't have a problem with this, but I can't imagine that this is correct.

 

 

After a little research, there are also various forums with the same problem.

 

The solution that is supposed to work is

 

  1. export the pool in the terminal
  2. create my ZFS PoolDevice in the WebGUI in the same order as it is displayed in the ZPool status,
  3. Start array
  4. Insert pool in the terminal via zpool import [poolname]

 

I did it exactly in this order, but unfortunately it does not work. I need some more support here.

 

 

I have attached the diagnostics and 3 pictures of what it looks like in the overview.

 

 

Thanks again for the very good support so far!

Übersich ZPool 2.jpg

Übersich ZPool 3.jpg

Übersich ZPool.jpg

zeus-diagnostics-20240516-1456.zip

  • Community Expert

Import the pool manually and post the output of

zpool status -LP

 

  • Author

Bild_2024-05-17_064512581.thumb.png.403869950f003c43014b6dd4e239402c.png

  • Community Expert

And now the output of:

 

fdisk -l /dev/sdd

 

  • Author

Bild_2024-05-17_164330169.thumb.png.086209039b9ec1f0de882559c3e35965.png

  • Community Expert

Just wanted to confirm, but as the first output suggested you are using the whole devices, no partitions, Unraid requires that zfs be on a partition.

 

How was the pool created? Both TrueNAS and using the command line create partitions, even if you give it the whole devices.

  • Author

The partitions were created some time ago with Nas4Free, today's XigmaNAS. After that I switched to Ubuntu and now to Unraid.

  • Community Expert

Unfortunately that pool won't work with Unraid, and AFAIK it's not possible to switch from whole disks to partitions, because they should always be a little smaller, so you should not be able to degrade the pool and replace one disk at a time (or two since it's raidz2) with a partitioned one.

  • Author

Okay, that has already helped me a lot.
Then I will have to transfer the data somewhere and have the pool recreated via Unraid.

Thank you very much for your great support!
 

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