However, in most cases, booting to safe mode (which skips loading plugins during boot) helps in alleviating potential OS issues or helps to figure out where the issue lies. Some Plugins can break this ability and there is the possibility of modifications to the OS config data that can break Unraid as well. There are pro’s and con’s for this type of behavior, obviously the biggest pro is Unraid being hardware agnostic and another being that if the OS gets broken, rebooting it will restore the OS. Traditional operating systems install the root file system onto some storage medium, like a hard drive or SSD for example.
So each reboot/boot means you are essentially starting with a fresh copy of the Unraid operating system. The reason why you can plug Unraid into virtually any hardware is because every time the system boots, the root file system gets loaded into RAM. Unraid could perhaps be better categorized as an appliance because it’s more dedicated to a specific function than a true operating system would be. Why is Unraid able to be moved from computer to computer and from different hardware to different hardware with relative ease? Part of the magic with Unraid, aside from the Fel, is with the design and implementation of the linux kernel it runs. Move all the drives, HBA cards, GPU’s, etc etc to the new motherboard/CPU or whatever systemĭouble check all drives are detected and are in the correct order in the array Optional, take screenshot of drive order in the array I did the following in Unraid version 6.6.6 Unraid will remember the drive order but it’s always best to cover yourself whenever possible. One thing I always like to do just in case, is grab a screenshot of the drive order within your array. Don’t forget to grab Unraid! No re-installs required. Then once that is complete, backup your data to a different system just in case.įinally, migrate all the hardware you need from the old system, including drives, and slap it into your new system. First things first.īefore you unplug the USB with Unraid and plug it into a completely new system, do yourself a favor and go ahead and do a parity sync/check. This is not something you need to worry about with Unraid. Sure, in some cases you can do this but it’s normally not recommended because of driver complications and other driver related issues. Normally taking any operating system and migrating it to all new hardware requires a complete re-install, especially if you are changing to completely different chipsets. Moving the Unraid OS from one server to another server is incredibly easy. This is going to be so much fun! The Transition We will be migrating from Dual Xeon LGA 2011 2960’s to a Ryzen 3700x for the homelab. The need to migrate Unraid to new low powered hardware has finally arisen.
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