Raspberry Pi4 USB SSD adapters

[Jim]

I don't have any nvme drives.  The SSDs I have are sata.

Thanks for your reply.  I ordered another of the same model adapter I 
have that works.  I'll use it when it arrives.

On 6/2/24 04:13, Stephen Partington via PLUG-discuss wrote:
> The pi4 has a native pcie slot and there are nvme hats that take 
> advantage of this to mount nvme drives to this pcie bus.
>
> On Fri, May 31, 2024, 7:50 PM Jim via PLUG-discuss 
> <plug-discuss at lists.phxlinux.org> wrote:
>
>     I have a Raspberry Pi4 and I've had trouble with some adapters for
>     some
>     sata ssds I've tried using with it. I have several usb3 adapters that
>     don't support uasp. When I try using one, the speeds are slow and
>     I get
>     lots of errors.  I looked this up online and everything I saw
>     about it
>     said that some usb3 ssd adapters don't support uasp and a system
>     trying
>     to use it will get slow speeds and lots of errors. Some of the
>     stuff I
>     read says how to get the manufacturer and model id numbers and put
>     them
>     in /boot/firmware/cmdline.txt so the system will not try using
>     uasp with
>     those devices.  In  the cmdline.txt file on my Pi4, I have the
>     following
>     at the front of cmdline.txt:
>
>     usb-storage-quirks-152d:0578:u (152d:0578 is the manufacturer and
>     device numbers for the device in question.)
>
>     This is supposed to tell the system not to use uasp on the specified
>     device.  I tried that, and rebooted the pi, but still have the
>     problem.
>     The only way I got it working was to plug the second drive into a
>     usb2
>     port.  It's a bit slower, but works.
>
>     Here it told how to identify the device and how to modify
>     cmdline.txt to
>     tell the system not to use uasp with the device
>     https://forums.raspberrypi.com/viewtopic.php?t=245931
>
>     The cmdline.txt file starts with usb-storage-quirks-152d:0578:u
>
>     Typing lsusb identifies the device.
>
>     $ lsusb
>     Bus 002 Device 002: ID 14b0:0206 StarTech.com Ltd.  Vi550 S3 This one
>     works. The drive the pi boots from is connected to it.
>
>     Bus 001 Device 003: ID 152d:0578 JMicron Technology Corp. /
>     JMicron USA
>     Technology Corp. JMS578 SATA 6Gb/s This is the one I'm having
>     trouble with.
>
>     It does not work without lots of errors. I only got it working by
>     putting it in a usb2 port.  Is there any way to test whether or not a
>     device supports uasp?
>
>     Thanks for any help you can send my way.
>
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