I’m a little teapot 🫖

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Cake day: September 27th, 2023

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  • seaQueue@lemmy.worldtoSelfhosted@lemmy.worldHDD randomly unmounting
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    4 days ago

    Don’t just look at sdb hits in the log. Open up that entire session in journalctl kernel mode (journalctl -k -bN where N is the session number in session history) and find the context surrounding the drive dropping and reconnecting.

    You’ll probably find that something caused a USB bus reset or a similar event before the drive dropped and reconnected. if you find nothing like that try switching power supplies for the HDD and/or switching USB ports until you can move the drive to a different USB root port. Use lsusb -t and swap ports until the drive is attached beneath a different root port. You might have a neighboring USB device attached to the bus that’s causing issues for other devices attached to the same root port (it happens, USB devices or drivers sometimes behave badly.)

    Always look at the context of the event when you’re troubleshooting a failure like this, don’t just drill down on the device messages. Most of the time the real cause of the issue preceded the symptom by a bit of time.






  • Try searching for authors who describe their work as “Speculative fiction” - that’s the way most of them don’t admit to writing low-brow sci-fi.

    Also near future sci-fi tends to be a bit lighter on the “magical machine” plot tropes. Climate fiction might be worth looking into too, most of the near future books exploring possible global warming consequences aren’t all hopped up on magical technological advances.











  • Look at MIT and UC Berkeley’s CS curricula and start tackling things that you haven’t covered. They’re both available freely online and you might still be able to find video recordings of Cal’s lectures somewhere (they recorded every class for students who weren’t present or had difficulty understanding in real time until 2015 or so but were hit with an ADA accessibility lawsuit because they weren’t captioned or something.)



  • It took me years to find gaming buddies who aren’t racist shitbags and we still have to punt the occasional edgelord who decides to get up in someone’s face with that shit. Not a single one of my remaining discord communities is gaming focused, those all ended up being Superfund levels of toxic. Hobby and tech communities though? Plenty of good friends there that I play games with occasionally.



  • Interesting that the one has such large capacitors in it. I imagine that is as last-ditch effort to keep the board powered long enough to finish flushing all of its caches in the event of a power failure.

    That’s exactly the point of power loss protection (aka PLP.) As a side effect of not needing to wait for a flush after a write synchronous write workloads are dramatically faster on enterprise drives with PLP.

    Edit: To add a bit of detail - you don’t need to wait for a flush after a synchronous write with PLP because the drive firmware can lie and immediately return from a flush call because there’s enough backup power to complete that flush if the power were cut.