Can I run Umbrel on only a 256GB micro SD card? It has a read speed of 130MB/s and I’m just going to run about 10 apps (Like Uptime Kuma and MeTube), nothing heavy. So is this possible or not?
YMMV…but…
When I tried to install Umbrel 1.0.x on a new RPi 5 with a micro card and a NVMe based SSD it installed and ran just fine, but it did not see and mount the NVMe SSD. So, it seems that it was running just fine off the Micro SD card. I have no idea though of how the various apps the Umbrel folks have built for their implementation react if they can’t find a secondary “data” drive.
This is one of the many things that should be publicly documented for their user base. When a “product” is put out in the wild as a “production release”, there ought to be documentation about how it works. Maybe Umbrel is working on such a document behind the scenes, but if they’re claiming 1.0 status it should already be there.
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Same question… does Umbrel run off only an SD card?
I don’t need TBs of space since I don’t use any of the crypto apps.
Not certain if it changed with Umbrel 1.0 (you could try), but when I started, it states that it requires at least a 1 TB external drive, regardless of what you actually want to then do with it. Umbrel 1.0 also requires at least 16 GB SD card.
This is because of the way Umbrel works. All of your apps and data are stored on the external drive. That way, if something bad were to happen to the base OS, you can just re-flash your SD card, and Umbrel would boot as you left it using your data in the external drive.
It is kind of weird how they mount the drive, and a reference to some documentation on it would be nice.