How To Migrate From TrueNAS Core to TrueNAS Scale [YouTube Release]

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:stopwatch: Timestamps :stopwatch:
00:00 TrueNAS Core to TrueNAS Scale Upgrade
02:08 TrueNAS Core Backup
04:12 Install TrueNAS Scale via USB
05:20 Testing TrueNAS Scale
05:20 Replication & Cloud Tasks Conversion
07:58 Final Thoughts

#TrueNAS #TrueNAS Scale #TrueNAS Core

Here is some follow up on this project. Before doing the in place upgrade I had the system configured as a storage target for XCP-NG with both NFS and iSCSI. I ran series of FIO benchmarks using Phoronix, did the in place upgrade as shown in the video, then ran the same benchmarks again. Here are the results:

https://openbenchmarking.org/result/2109269-IB-DEBXCPNGT86

Now I have changed nothing on the system at all and have made no attempts yet to figure out why the TrueNAS Scale system was so much slower on for both NFS and iSCSI. But I have had some weird pausing issues that keep coming up on my other system using TrueNAS Scale using SMB. Overall I have not had any crashes that I can point to or things not work, just sub-par performance. I look at all of this as part of the beta testing and I am open to any ideas people might have to get things operating faster.

Those results are very impressive. Do you think it might have something to do with the in-place upgrade – although honestly the only thing being upgraded is really the disks that TrueNAS runs on – the data zfs disks aren’t really going to change.

Perhaps its the beta release.

I’m curious if you posted these numbers over on the TrueNAS forums. You honestly have the first head to head numbers that I’ve seen comparing the two setups on the same machine.

I did not post in their forums yet, not until I do some more testing. But I did post over on reddit

Question:

If you you perform in place migration and perform a zpool upgrade while running SCALE, can you reboot back to CORE?

Nope, if you upgrade the ZFS pool to a new version to my knowledge there is no way to go back.