SOLVED Motherboard Swap - Not Recognizing Boot Device

vm_boy

Dabbler
Joined
Dec 28, 2022
Messages
13
I am having trouble getting TrueNAS to boot. I just swapped all of my hard drives to another motherboard and CPU. It may be worth noting that the mobo/cpu had been used as my frontend desktop previously. The motherboard is an ASUS P8P67 Pro and the cpu is an i5-2500k. I have two SSDs running TrueNAS SCALE that were setup on the previous device as backups to one another. The other HDDs and external HDDs are the data drives.

The first thing I did was go through the BIOS to make sure all of the SATA ports are turned on and all of the drives are connected and showing up in the BIOS. I know that TrueNAS was running on the SSDs but I don't know which was the primary so I have been swapping ports and boot priorities on those. I have disabled boot ability on the others so it is not even an option. Occasionally in all of the swapping, it has said "this is a FreeNAS data drive". Currently when I reboot, it says, "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key". I assume this means it is looking at the correct SSD but it is not recognizing it as a boot device.

Any suggestions on what I should do to make it boot? I still have the other motherboard if we might need to reconnect the SSD(s) in the other device to change any settings or to export/backup something.

Thanks in advance for your help!
 

Arwen

MVP
Joined
May 17, 2014
Messages
3,611
You should have a backup of your TrueNAS configuration. Then you simply re-install TrueNAS on to a bootable device for your motherboard. Reboot and restore configuration.

In general, moving a TrueNAS boot drive to a different model of system board than your old one, is not expected to work. It may, but even then, their may be network device changes that would require manual updating.
 

vm_boy

Dabbler
Joined
Dec 28, 2022
Messages
13
I was able to get it to work by using an install disk/USB. When I ran the install from the USB it recognized the existing TrueNAS system and gave me the option to Install or to Update. I chose the Update option so that it might save the configuration. Later it asked to rewrite the boot configuration so I opted to do so. Bada-bing bada-boom, it eventually started up. I had to reconfigure the network settings and then the network interface for Docker and that was it. It ended up being pretty simple.
 

Arwen

MVP
Joined
May 17, 2014
Messages
3,611
Great.

I've not seen that particular feature of the install media, to perform an Update. Nice feature.
 
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