How are you transferring? I have had experience recently with dd and not setting a "reasonable" block size, thereby relying on the default 512 byte blocks, which means LOTS of syscalls to do the IO. Setting the block size to something like 16M made it go a lot faster. Could that be your problem?
-- Russell Senior russ...@personaltelco.net On Mon, Apr 17, 2023 at 10:38 PM American Citizen <website.read...@gmail.com> wrote: > Hello all: > > Someone gave me a PNY 256 gig flash memory stick, with USB 3.0 advertised. > > However when uploading to it, the actual rate varies from around 1.5 > MiB/sec to 10.6 Mib/sec, which is way lower than the advertised USB 3.0 > speed of 5 GiB/sec (? if we believe the information below) > > I ran the %lsusb command to try to see what is going on here. > > Any ideas on why it will take hours to transfer 208 gigs to it? > > - Randall > > ---------- information dump ----------- > > HP Z420 workstation USB Controller information > ----------------------------------------------- > > SYSTEM: OpenSuse Leap 15.4 on 64 bit hardware > Workstation has 2 USB3 ports and 1 USB2 port on the front panel > > Operating System: openSUSE Leap 15.4 > KDE Plasma Version: 5.24.4 > KDE Frameworks Version: 5.90.0 > Qt Version: 5.15.2 > Kernel Version: 5.14.21-150400.24.55-default (64-bit) > Graphics Platform: X11 > Processors: 6 × Intel® Xeon® CPU E5-1650 v2 @ 3.50GHz > Memory: 31.3 GiB of RAM > Graphics Processor: NV106 > > (from USB devices Info Center) > xHCI Host Controller (3) > Manufacturer: Linux 5.14.21-150400.24.55-default xhci-hcd > Serial #: 0000:08:00.0 > Class 9 (Hub) > Subclass 0 (Unused) > Protocol 3 > USB Version 3.00 > > Vendor ID 0x1d6b (Linux Foundation) > Product ID 0x0003 (3.0 root hub) > > Speed 5,000 Mbit/s > Channels 4 > Max. Packet Size 9 > > USB 3.2.1 FD > > Manufacturer: PNY > Serial #: 071C2B1F12A4F803 > > Class 0 ((Defined at Interface level)) > Subclass 0 > Protocol 0 > USB Version 3.20 > > Vendor ID 0x154b (PNY) > Product ID 0x1006 > > Speed 5,000 Mbit/s > Channels 0 > Max. Packet Size 9 > > (from %lsusb -d 154b:1006 -v command) > > PNY Flash Memory Stick - 256 gigs > > Bus 003 Device 003: ID 154b:1006 PNY USB 3.2.1 FD > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 3.20 > bDeviceClass 0 > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 9 > idVendor 0x154b PNY > idProduct 0x1006 > bcdDevice 1.10 > iManufacturer 1 PNY > iProduct 2 USB 3.2.1 FD > iSerial 3 071C2B1F12A4F803 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 0x002c > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 0 > bmAttributes 0x80 > (Bus Powered) > MaxPower 504mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 2 > bInterfaceClass 8 Mass Storage > bInterfaceSubClass 6 SCSI > bInterfaceProtocol 80 Bulk-Only > iInterface 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x81 EP 1 IN > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0400 1x 1024 bytes > bInterval 0 > bMaxBurst 3 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x02 EP 2 OUT > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0400 1x 1024 bytes > bInterval 0 > bMaxBurst 3 > > ------------------------------------------------------------------------------------------------------------------------------- > >
