Transplant working RAIDZ1 into new server

[quicky]

Hey all,

 

I was looking for an answer for this but due to my limited knowledge I might have not used the best search terms to find any existing threat. I am running Unraid without any array but only with two Pools 1 Cache pool with two NVMe disks and another RAIDZ1 pool with 3 SATA drives.

 

Now I am considering building a new Unraid server from scratch and I would like to take this stack of 3 disks and just install them in the new server. All software (appdata, VMs etc.) is running on the cache (and I will probably set this all up from scratch). My question is only around the RAIDZ1 which only consists of images and other "static" storage.

 

As I don't want to risk any data loss I am looking for an easy step-by-step guide on how to configure the new Unraid server so it uses the existing pool again.

 

FYI: I am using Unraid 7b2 but I guess the process would be identical to Unraid6?!

 

Thank you so much for your help!

[JorgeB]

1 minute ago, quicky said:

FYI: I am using Unraid 7b2 but I guess the process would be identical to Unraid6?!

If the pool was created with v7 it won't mount with v6.12, other than that, you just need to create a new pool with the correct number of slots, leave the filesystem in auto, and it should import the old pool at array start.

[quicky]

Amazing, sounds pretty simple.

And thanks for the FYI. I will stay with 7... I just thought about setting up everything from scratch once 7 (final) comes out.

[quicky]

Okay, today is the day where I will sell my current NAS which is still running my RAIDZ1. As I don't have my new hardware yet (it will come next week hopefully) I am a bit nervous to not loose data. That's why I just wanted to make sure that I won't miss anything. So here's what I am running currently:

 

I'm running Unraid 7 beta3. I have two ZFS arrays: One mirrored Cache and on RAIDZ1 array (please see screenshot).

 

If I understood it right I just do the following:

 

1. Stop the arrays
2. Shut down the system
3. Uninstall the harddrives and remember the order of them
4. Reinstall Unraid on the new system
5. Add the drives and the Cache
6. Create a new Cache pool with two devices and a new RAIDZ1 with three devices and then add the drives in the order that they were before

Then Unraid should show me all my data as it was before?! Sorry for this stupid question and my ask to reconfirm the process but it just sounds too easy... I thought there would be something like a "recover from old pool" process or something like that.

 

Thanks again for your understanding and support.

 

Cheers,

 

quicky

[itimpi]

43 minutes ago, quicky said:

Sorry for this stupid question and my ask to reconfirm the process but it just sounds too easy...

It is not even as difficult normally as the steps you posted 😀

 

You should be able to simply plug the existing drives into the new system and then boot from your current flash drive and everything come as it was before.   Only if that does not work is there anything more than that involved.   

[quicky]

It's soooo amazing... whenever I am using Unraid I can't believe that it took me so many years to learn how userfriendly a NAS OS can be. Unbelievable, really! I was using Synology before and it was okay, I didn't miss anything but I never expected that it could be as cool as Unraid is!

 

Thanks a lot!