![]() usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber=1 usb 2-1: New USB device found, idVendor=174c, idProduct=55aa, bcdDevice= 1.00 systemd: System time before build time, advancing clock. usb 2-1: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21 usb 1-1: new high-speed USB device number 2 using xhci_hcd The disk is formatted as XFS and has trim support enabled. Raspberry Pi 4 2GB with Crucial MX500 attached via UASP USB3 adapter. I guess it's related to the newer kernel and maybe some changes to the underlying network stack?Ĭonfigure a basic samba share on some external storage with an older version of Raspberry Pi OS.Īfter running a system update & upgrade the write performance is much lower than before.Īfter a few seconds, the write speed to the Pi drops to around 75MB/s and stays there. The Samba version is exactly the same in both situations. With this version, it's performing very well, just like the last few months.īut after running a system update & upgrade performance is significantly worse again. ![]() Since nothing else has changed in my setup I flashed an older build of Raspberry Pi OS ( 64bit was the only image I could find) to the Pi. The write performance has dropped from a constant 113MB/s to around 75MB/s. It must be related to a recent update since otherwise, nothing has changed. Recently after performing a system update & upgrade I noticed a degraded read and write performance. I'm using a Pi 4 as a basic Samba share for several months now.
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