--- title: Raspberry Pi SD Failure, and Backing Up ZWaveJS2MQTT description: A Raspberry Pi running ZWaveJS2MQTT suffered an SD card failure, taking down a Z-Wave home automation network. The post covers recovering the setup with a... canonical: https://daily.dev/posts/raspberry-pi-sd-failure-and-backing-up-zwavejs2mqtt-dd1hbfpmf twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Raspberry Pi SD Failure, and Backing Up ZWaveJS2MQTT | daily.dev og:description: A Raspberry Pi running ZWaveJS2MQTT suffered an SD card failure, taking down a Z-Wave home automation network. The post covers recovering the setup with a... og:url: https://daily.dev/posts/raspberry-pi-sd-failure-and-backing-up-zwavejs2mqtt-dd1hbfpmf og:image: https://api.daily.dev/og/posts/dd1hBfpMF.png og:image:alt: Raspberry Pi SD Failure, and Backing Up ZWaveJS2MQTT og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Raspberry Pi SD Failure, and Backing Up ZWaveJS2MQTT **[apalrd's adventures](https://daily.dev/sources/apalrd)** · 4 min read · 0 upvotes · 0 comments ## Summary A Raspberry Pi running ZWaveJS2MQTT suffered an SD card failure, taking down a Z-Wave home automation network. The post covers recovering the setup with a fresh SD card, reinstalling ZWaveJS2MQTT via Snap, and implementing a daily cron-based backup script that tars the snap store folder to a NAS via autofs. It also touches on reducing SD card wear by moving logs to tmpfs. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Where is the ZWaveJS2MQTT data stored when installed via Snap on Raspberry Pi? When ZWaveJS2MQTT is installed as a Snap package, its store data is kept at /var/snap/zwavejs2mqtt/current. Backing up this directory preserves node metadata and configuration. Note that core Z-Wave network parameters are stored on the Z-Wave dongle itself, so devices do not need to be re-paired after a reinstall — only local metadata like node names is lost. _Hobbyists managing Z-Wave setups on Raspberry Pi share recovery tips and backup strategies on daily.dev._ ### How do I set up a daily cron job to back up a directory on Raspberry Pi to a NAS? Mount the NAS share via autofs to a local path (e.g. /mnt/backup), write a shell script that tars the target directory into a day-of-week-named .tar.gz file, then add it to root's crontab with: 0 0 * * * bash /mnt/backup/backup.sh. This runs at midnight every day and rotates through seven files, keeping roughly a week of backups. _Raspberry Pi self-hosters working through backup automation find practical scripts and setups on daily.dev._ ## Similar posts on daily.dev - [The death and rebirth of my home server](https://daily.dev/posts/the-death-and-rebirth-of-my-home-server-dfkvsryip) · Hacker News · 3 upvotes · 0 comments - [My Raspberry Pi now fixes itself when services die, and I haven't SSHed in weeks](https://daily.dev/posts/my-raspberry-pi-now-fixes-itself-when-services-die-and-i-haven-t-sshed-in-weeks-vadmi1qoi) · XDA Developers · 2 upvotes · 1 comments - [I gave an old Raspberry Pi one job, and it's been running untouched for a year](https://daily.dev/posts/i-gave-an-old-raspberry-pi-one-job-and-it-s-been-running-untouched-for-a-year-zin4auwfy) · XDA Developers · 0 upvotes · 0 comments - [More random home lab things I've recently learned](https://daily.dev/posts/more-random-home-lab-things-i-ve-recently-learned-e7ucih6lp) · Hacker News · 10 upvotes · 0 comments - [Self-Host Weekly \#148: Maintenance Mode](https://daily.dev/posts/self-host-weekly-148-maintenance-mode-jufihqwu0) · selfh.st · 4 upvotes · 1 comments --- Tags: [#linux](https://daily.dev/tags/linux), [#raspberry-pi](https://daily.dev/tags/raspberry-pi) [View this post on daily.dev](https://daily.dev/posts/raspberry-pi-sd-failure-and-backing-up-zwavejs2mqtt-dd1hbfpmf) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Raspberry Pi SD Failure, and Backing Up ZWaveJS2MQTT","url":"https://daily.dev/posts/raspberry-pi-sd-failure-and-backing-up-zwavejs2mqtt-dd1hbfpmf","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/raspberry-pi-sd-failure-and-backing-up-zwavejs2mqtt-dd1hbfpmf"},"datePublished":"2026-08-11T08:56:47.891Z","dateModified":"2026-08-11T09:29:52.789Z","description":"A Raspberry Pi running ZWaveJS2MQTT suffered an SD card failure, taking down a Z-Wave home automation network. 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