Raspberry Pi5 Micro SD card wear and tear?

  • MeyerGreg007
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07 Aug 2026 09:47 #348522 by MeyerGreg007
Raspberry Pi5 Micro SD card wear and tear? was created by MeyerGreg007
Greetings,
This is my first post so I'm hoping I done break any protocols...

I have converted a 1959 vintage Centec AutoMill (3 axis horizontal milling machine) to CNC using LinuxCNC 2.9.10 Debian 13 Trixie PREEMPT-RT on a Raspberry Pi5 with 8 gig of ram, directly controlling three GeckoDrive 201x stepper drives via the Pi's GPIO pins. It is working very well as the Gecko 201x works with 3.3 volt logic and I very pleased with its performance. No need for a MESA board or any kind of logic level shifting.

I recently read that the Micro SD cards used in the Pi are not well suited to handle lots of read/write activity, and over time will fail.

Can anyone tell me if LinuxCNC does a lot of writing/reading of things like temporary files during the running of the machine?

TIA   Greg

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