Posts tagged with "monitoring"

The Ceph Dashboard follows the active ceph-mgr node, breaking bookmarks on failover. Adding it to an existing Caddy reverse proxy with health checks gives you a single stable URL that automatically routes to whichever node is currently active.

New Seagate USB drives arrived for the Ceph cluster and predictably won't report SMART data. After months of production use, GRUB boot parameters are the only method that reliably survives kernel updates and cluster reboots.

Building a comprehensive SEO health check system for Jekyll sites with GitHub Actions, Lighthouse CI, and automated link validation - Part 2 of the Jekyll SEO series.

Advanced analytics, Core Web Vitals tracking, and the lessons learned from running a 100+ post technical blog — plus the remaining optimization roadmap.

The CLI tools I actually reach for when Linux systems misbehave: htop, iotop, ncdu, iftop, mtr, and a handful of specialists for hardware and performance diagnosis.

Seagate USB drives hide SMART data behind UAS quirks. Disabling UAS via GRUB boot parameters unlocks full health monitoring without sacrificing stability.

eMMC storage doesn't support SMART, but the JEDEC health reporting built into mmc-utils gives you life time estimation and pre-EOL status for Dell Wyse 3040 boot drives.

Ceph's nearfull warnings are capacity planning signals, not emergencies — if you understand the thresholds and respond before the cluster goes read-only.

The Ceph Dashboard is essential for monitoring cluster health without SSH, but setting it up on Proxmox isn't straightforward. Here's how to get it working with SSL and proper authentication.