ID 1d6b:0003 Linux Foundation 3.0 root hub Note the driver in use is usb-storage, as opposed to my USB3 external drive: Kingston DataTraveler 102/2.0 / HEMA Flash Drive 2 GB / PNY Attache 4GB Stick |_ Port 1: Dev 6, If 0, Class=Mass Storage, Driver=usb-storage, 480M |_ Port 3: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M ID 1d6b:0002 Linux Foundation 2.0 root hub If it's not in use (for example: a USB2 flash drive), it will say something like: You can check lsusb -tv before and after. This driver can greatly improve the responsiveness and throughput of external drives connected via USB.
If it says "CONFIG_USB_UAS=y" or "CONFIG_USB_UAS=m" you are set and the kernel will automatically use the driver, whenever possible. You may improve it by providing the UAS driver (USB Attached SCSI).Ĭheck your kernel config, if the option USB_UAS is enabled.Ĭd /usr/src/linux grep CONFIG_USB_UAS. Please post the output of lsusb -tv with the SSD connected without problem Īnd the output of dmesg | tail after it has crashed.įor the moment you get it working stable, you will want maximum performance. If not, you can try an USB Y-cable (two type A plugs, one for data and power, the other for power only) and attach an additional power supply (phone charger) to it. It will at least tell what the kernel did see happening before it got lost.Īre you within the recommended power supply rating? If you copy files and suddenly lose your SSD, please check the output of dmesg One could suspect that the SSD is drawing too much power from your pi. Last edited by while true on Sat 7:56 am edited 1 time in total Is this me being noob and not knowing how to unleash the secret super power of blue usb? and, sometimes even all usbs stop working, I can not use mouse or keyboard (led in mouse works, but not keyboard's leds) and from glances I can see from disk i/o that /dev/sda*Īre no longer listed, but still listed under file sys speed is slow, starts with 120 MS/s but in minute drops to 4Ĭannot create target file "/media/usb1/def~.4" Read-only file system (30) I open mc and i can copy one file at the time ok, (but slow)īut if I choose 8GB of data some things happen: Prompt came right back on - and i was motionless. Leading me to believe that my new fast ssd is somehow broken.Īnd i got tears of joy when 460MB/s write speed peaked.ġ3GB copied in seconds, and when i issued sync command I plugged ssd right into rpi, but i had some troubles with it
Yesterday i got ssd for my rpi, should be fast, was expensive. Posted: Thu 8:47 am Post subject: Unleash secret usb blue super power
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