The alert fires at 2:14 a.m. Disk usage on the app server is at 97%. You SSH in, half awake, and run the command everyone runs: ```bash df -h ``` ``` Filesystem Size Used Avail Use% Mounted on /dev/nv...
It always happens at the worst possible moment. A deploy that ran fine yesterday hangs halfway through. The application starts throwing 500s. You SSH into the box, and there it is, sitting in the log ...
