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Try the following. Most likely this will fix your issue. If this does, TrueNAS has a fix that is in it's next update. Login to TrueNAS interface. Left side select "system". Then after screen refreshes select "shell" from the list. Paste in the following command. *Can't use normal short cuts* Will need to use Shift + Insert Key for pasting. sudo python /usr/lib/python3/dist-packages/middlewared/scripts/vendor_service.py If that works within about 1 min you should be able to go to deck.hexos.com and see your server or claim it. You might need to run this after reboots. Let us know if this works. Thank you,

I have always purchased new exos drives from ebay. My last batch came straight from seagate themselves.

sent

Nor do I! As I said I've always had a great time with Rufus so I didn't even think about it - that said, Rufus DOES, of late, pop up a note about the ISO image type, and not having all the files it needs when preparing to write the HexOS ISO - see below: This reads to me as "click yes and everything will proceed according to plan" but, there could easily be something going wrong during the 'attempt to download' the required GRUB file(s). I should really have thought more about these when I saw them but, because HexOS load(ed) at least initially, and because the image seems to show up fine, I assumed it wasn't a problem, and made the proverbial ass of myself. Thanks again for all your help here, sincerely! I still might reserve the right to be mean to my NAS for a while just to let out my frustrations 😆

Can I get a DM as well? 🙏

I'll be setting up a second vdev. I just purchased 2 of the toshiba n300 pro's and will wait until I buy 3 more before setting the second vdev up.

Just keep in mind things like cache-size, RPM, etc. The speed of the "raid"-set can be impacted (negatively) if it's not equal or higher than the current ones. So keep that in mind while trying to look for something. Unless you *really* need to expand it with 1 disk, maybe wait out until prices are going back down?

Happy to see that it's working now for you. 🙂 I still don't understand why this makes a difference which software you are using to create the USB drive, but hey at least it's running now. =D

Hi everyone. I updated HexOS on 3rd march 2026 and now I can´t log into it. "Server not availabe" is the message. The server runs fine and I have access to all my files, but I don´t want it running all the time. I use it only as data storage. What can I do? Cheers Axel

I... I was... I would have.... FUUUUUUUU-- Ordinarily, I would absolutely have tried another USB, and I actually was trying a bit ago, but that drive was being funky and wouldn't connect to Windows well and I gave up. I completely overlooked trying Balena Etcher (Rufus has always been rock solid for me so I never bother thinking aoub it) but NOW THAT YOU'VE SAID IT I feel like I remember needing to use it for CORE back in the day TOO! I am an IDIOT! Anyway, I grabbed a third USB, Etcher, and a new copy of the .iso, and set it all up again, and wouldn't you know it, the damn thing worked. Installed HexOS to the SSD, plugged in the HDDs and went to boot, and the box picked up the data drives to boot to. I thought I wasn't out of the weeds yet, but on a whim I tried re-enabling the B120i and going in and deleting the RAID array on the drives but keeping the single "array" on the SSD, which allows me to set the logical array as bootable in the B120i. Rebooted and... LOOK! HexOS!! I am as much at fault as any part of the technology in this thread, but in the end, through all that crap, and with your help, we got there, so... THANK YOU very much!!

I have also just received this alert! What happened with your system after six days? Did you need to do anything?

I was looking at the Ironwolf pro as an alternative, but yeah that's gone up in price as well. Think I've landed on the Toshiba n300 pro. Their prices seem to be stable (for the time being)

A quick update on this, after a few months of running, and now it's been running smoothly. After exchanging the Verbatim with some samsung drives, everything's working really well at the moment. Only one thing I have changed with the configuration, and that is exchanging the fans from Jonsbo that are in there by default, to some Noctua Fans (dual NF-A9 for the bottom part, and added a single NF-A8 for the top part). This actually had a temperature difference from around 20 degrees Celsius, so if you are considering this, and don't have active airconditioning in the room which will cool down the area really well, I definitely recommend to have the fans replaced with something that's better.

Hey, you can basically look at any NAS or Server/Entreprise HDD WD Red Pro Seagate Ironwolf (Pro) Seagate Exos Etc... However they have all exploded in costs unfortunately. Looking at refurbished entrepris drives might also be a good alternative.

In that case, did you try another USB drive or just 1 single drive? Also try using Etcher instead of Rufus.

Hello, So I have a pool of 5 hdd's. They're all 12 TB WD Red Plus drives. The problem is... is that WD is all out of drives for the year. All sold out. So the drives that are currently available have all gone up in price. So I'm looking for as comparative as possible drives as I can get my hands on. Any suggestions? Thank you

Nope, this is on loading HexOS's installer - the system hands off to USB boot, GRUB loads, I select "install HexOS" (out of the list of 2 options) and then I get that message. I don't get into any part of the HexOS installation itself.

The above messages are coming after selecting the boot drive where Hexos should be installed or beforehand?

This is with the B120i disabled and all 4 drives removed (just the boot drive) in Bay 5: This is with the B120i enabled and all 4 drives removed (just the boot drive) in Bay 5: After cleaning the disk (just by pulling it out, dropping it into Windows and doing dispart clean to wipe the parts) I don't think I can disable the B120i because I think it needs to be there to mark Disk 5 as bootable... Unless I'm crazy. (I'm probably crazy.) Whatever I do, I can't get anything to boot anymore! Losing my shit, haha! Thanks for your help so far @PsychoWards!!

ahh i totally misread yeah you should be good then

Okay, last update I guess. Everything now seems to work fine. Still have no idea what happened.

Hey, please keep us posted about the progress. Concerning why you shouldn't use a HW Raid in combination with Truenas, the official ZFS documentation has a great section about this you find it here: https://openzfs.github.io/openzfs-docs/Performance and Tuning/Hardware.html#hardware-raid-controllers

Hey @PsychoWards, thanks for your help. Good point - I HAD wiped the drive prior to installing HexOS the first time, BUT not during the most recent round of struggling through the LSI and B120i cards. I sort of assumed HexOS would still boot, and then when it didn't, figured I would just re-run the installer - I don't think I wiped the disk. I'll do that tonight and let you know how I go, thank you! Screenshot 2 is currently what happens without drives connected - suspect the above might help though. I thought to recreate the HexOS image on the USB drive, but not to wipe the destination drive! Got it, thanks on the RAID info. I had assumed that, if I let a dedicated RAID system handle all that, and just point TrueNAS towards the partitions, I'd be getting the benefits of both, but I can see why that would be the opposite of what I'm getting. If you'd like to, I'd love to learn more about why it's better to go with one or the other, especially when it comes to ZFS - my understanding of ZFS is basically "it's a file system and disk manager" (yes, I know that's like saying Windows is a file system... But that's what I know right now!!) Thanks heaps. Will report back tonight.

Are there any plans on the roadmap to allow installation and initial setup fully locally, with the option to connect to the Deck afterward? I really appreciate that you added a local interface. However, I’m looking for is a completely local-first setup experience. The requirement to connect to a cloud server just to get past the TrueNAS interface is still the main thing holding me back from switching from my current setup, though I may be in the minority. I understand that internet access to be required later for licensing and app updates, but needing cloud connectivity to complete the initial setup is a deal breaker for me.

Hey, 1. The drive you are installing on, does it already contain an OS/was it used before or is it a new drive? If it was used in the past, can you please try wiping? This helped some people in here already which were also not able to install Hexos on an used drive. 2. Try installing Hexos without any data drives connected and then login into the UI and use following guide to migrate from Core to Hexos, you should follow the path for migrating to 24.10 or later https://www.truenas.com/docs/scale/24.10/gettingstarted/migrate/migratingfromcore/ 3. Never use HW raid in combination with Hexos/Truenas, let the OS handle everything in SW raid. HW Raid + SW Raid gives you the disadvantages of both but none of the advantages 🙂