<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">First guess is that you have to ‘can log stop’ to close the logging file before you will be able to see the content.<div><br></div><div>If that is not it, please provide details of the logging commands you are typing, and what ‘vfs ls /sd’, ‘can can1 status’, ‘can can2 status’, show.</div><div><br></div><div>Regards, Mark.</div><div><br></div><div>P.S. If you have a modern OVMS module, I also suggest you double-check the sdcard maxfreq.khz setting to optimise performance:</div><div><br></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><div style="display: block;"><a href="https://docs.openvehicles.com/en/latest/userguide/logging.html?highlight=sdcard#performance-impact">https://docs.openvehicles.com/en/latest/userguide/logging.html?highlight=sdcard#performance-impact</a><br></div></div></blockquote><div><div><br><blockquote type="cite"><div>On 7 Feb 2023, at 4:08 AM, Christos Oscar Kambiselis <ckambiselis@gmail.com> wrote:</div><br class="Apple-interchange-newline"><div><div dir="auto">Hi,<div dir="auto">Has anyone had any problems with CAN bus logging? </div><div dir="auto"><br></div><div dir="auto">I have a 32GB SD card installed and "SD status" gives:</div><div dir="auto"><br></div><div dir="auto"><i><b>SD CARD is inserted</b></i></div><div dir="auto"><i><b>Status: available</b></i></div><div dir="auto"><i><b>Name: SD32G</b></i></div><div dir="auto"><i><b>Size: 30419 MB</b></i></div><div dir="auto"><i><b>Free: 29767 MB</b></i></div><div dir="auto"><i><b><br></b></i></div><div dir="auto"><i><b>Card type: SDHC/SDXC</b></i></div><div dir="auto"><i><b>Max speed: 25000 kHz</b></i></div><div dir="auto"><i><b>Capacity: 30436 MB</b></i></div><div dir="auto"><i><b>CSD: ver=1; sector_size=512; capacity=62333952 read_bl_len=9</b></i></div><div dir="auto"><i><b>SCR: sd_spec=2; bus_width=5</b></i></div><div dir="auto"><br></div><div dir="auto">I have setup CAN1 and 2 to "listen" and started the logging like it's mentioned in the user guide, checked the status, I stopped it some time later, and when I go to open it from the Web UI it is empty, also tried from the Editor and it is also empty, removing the card is a bit tricky since the hardware is pretty tucked away in the console. I searched the manual for a format command but can't find anything.</div><div dir="auto"><br></div><div dir="auto">I do get messages and readings on the OVMS Android app, so at least the OBD CAN is fine.</div><div dir="auto"><br></div><div dir="auto">Oscar</div></div>
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