Hey everyone, I’ve been diving into the world of reducing SD card writes on my Raspberry Pi setup, and I thought I’d share some of my findings and tips. For those of you who might not be aware, excessive writes to an SD card can significantly shorten its lifespan, so minimizing these writes is a smart move for anyone running a home automation system like Home Assistant or Hass.io.
One of the first things I did was look into moving my system logs to RAM. This is a common technique and can be done by editing the fstab file. By doing this, I noticed a significant reduction in SD card activity. However, I also wanted to address database writes, which are another major source of wear on the SD card. I read that disabling the recorder and history components in configuration.yaml could help, but to my surprise, these components weren’t even present in my setup! Despite that, I could still see a history of my device states, which made me wonder if there was more I could do.
I’ve also been experimenting with using an external USB drive for storing backups and logs. This not only takes the load off the SD card but also provides a safer place for important data. Another tip I came across was to ensure that your system is fully updated. Sometimes, newer versions of software include optimizations that reduce unnecessary writes.
For those of you who might be considering a similar setup, I’d recommend starting with logging in RAM and exploring the possibility of moving frequently written data to external storage. It’s also worth checking if your system has any unnecessary services running that might be contributing to excessive writes.
I’d love to hear how others have tackled this issue. Have you found any particularly effective methods for reducing SD card writes? Let’s share our experiences and tips below!