Raspberry Pi 4 powered USB3 hub

  • I've spent several hours trying to get OMV running on my Pi 4 with more than one HDD and eventually found out that the Raspberry Pi 4 doesn't play well with some powered USB hubs.
    Is anyone running OMV on a Pi 4 using a hub to connect multiple USB drives? If so, can you let me know the make/model of the hub please (I'm in the UK if that matters).


    There is a list on wikipedia but its a bit vague in places, hence my request here.
    https://elinux.org/RPi_Powered_USB_Hubs#Working_USB_Hubs


    Many thanks


    Michael

  • I think it would be best to not use a USB hub at all. Instead use a USB drive or USB HDD enclosure that either does not need extra power or has its own power supply.


    Another option is to use a powered USB drive enclosure for several HDDs.


    I also only use UASP USB HDD enclosures.


    I have used a couple of Startech UASP USB HDD enclosures with RPi4 and OMV, and they all seem pretty good. I don't doubt that other brands can be as good or better. But I am satisfied with these.


    S3510BMU33 - powered 3.5" HDD UASP USB 3.0 enclosure.


    S2510BPU337 - unpowered 2.5" slim HDD UASP USB 3.0 enclosure. Nice for a 2.5 SATA SSD.


    S352BU33HR - powered dual 3.5" HDD UASP USB 3.0 enclosure. Easy to swap drives.


    Note: I don't have a USB hub between the enclosures and the RPi4. I suspect that if I did, performance would be degraded. Possibly severely degraded.

    Be smart - be lazy. Clone your rootfs.
    OMV 5: 9 x Odroid HC2 + 1 x Odroid HC1 + 1 x Raspberry Pi 4

  • Thanks folks


    I've ordered that hub from Amazon UK - kinda annoyed that it costs the same as my Pi4 did but needs must.
    I get the point made by Adoby but this is supposed to be a low cost solution from bits I already have - which was everything except the PI.


    All the best


    Michael

  • One advantage with a powered USB hub is that you can use it to power the RPi4 as well. That way you don't need to buy a separate power supply for the RPi. Saves money and makes for less cables and less clutter. You will need a USB A to USB C (charging) cable.

    Be smart - be lazy. Clone your rootfs.
    OMV 5: 9 x Odroid HC2 + 1 x Odroid HC1 + 1 x Raspberry Pi 4

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