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Multiple HDDs in a RPi5 vanish (kbin.social)

submitted 8 months ago by Norgur@kbin.social to c/selfhosted@lemmy.world

11 comments fedilink hide all child comments

Hey, I'm really stumped by this issue so perhaps one of you folks might be able to help me out here. I run a little server on an RPi 5.i got for another project originally. So ce I cannot finish said project due to time constraints, I repurposed the thing into a little server. It's running smoothly so far with one really weird exception. Whenever I attach more than 1 HDDs to the pi and use at least 2 at the same time, both HDDs will start to fail, unmount and the whole USB hubs I connected them to will just disappear from LSUSB. Originally I thought this was a power issue but the weird behavior continues when I connect each HDD to it's own powered USB hub. I'm really at a loss as to what's happening. Any ideas?

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[–] jlo@glib.social 0 points 8 months ago (2 children)

@Norgur Have you taken a look at this thread?

https://forums.raspberrypi.com/viewtopic.php?t=347894

Have you tried unplugging anything else connected to USB and then used only the powered hub(s) with multiple drives and does that work?

SSD or HDD?

[–] computabloke@lemmy.world 2 points 8 months ago (1 children)

Problems with spinning HDDs on RPI are common. Possibly even on powered hubs they may spike more than rpis 1.2A USB max allowance. You may need a specialised hat, or better to switch to solid state storage?

[–] Norgur@kbin.social 1 points 8 months ago (1 children)

Thing is that I got the HDDs lying around already. The hub supplies 5v/3A so powershould not be an issue... Yet who knows... I could try to power the HDDs from a USB power supply with a split cable and see if that helps

[–] BCsven@lemmy.ca 1 points 8 months ago

Might be power. i had a 3.5 HDD external USB adapter with separate power plug. It would drop out under sustained use. Fix was providing higher amp power supply

[–] Norgur@kbin.social 1 points 8 months ago (1 children)

HDD, nothing else but the drives connected, doesn't work

[–] this_is_router@feddit.de 1 points 8 months ago* (last edited 8 months ago)

Does it only happen with these two drives? i would try with some other HDD/SSDs or two usb sticks. that way you can test if its some weird hardware incompatibility that sometimes happen between specific devices or if the board wont support more then one connected usb drive in general.