Hard drive is not found after new USB hub

  • Hi,




    finally I build in my Raspberry Pi 3+ with 2 HDD and a power supply in a mini computer housing.




    After the start up, none of the two HDDs was visible at the WebGui. I tried the old USB hub and with that it works fine. I thought it is because the new Hub is USB 2.0 (with external power supply) and the HDDs (Seagate Barracuda 2,5”) need 1 Ampere but from the sound they make I think they start successfully. A current measurement shows that the current goes up to 800 mA and stabilize at something like 500mA.




    Anyway, I have one questions:




    1. Does the Raspy make a difference between hubs? I mean, does it recognize the HDD only with the originally used hub?



    Thanks.




    Regards.

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