It doesn't count as resilient in the mainframe sense, but in an effort to encourage system management, I ran the Node Health Check system on our "commodity" HPC

It doesn't count as resilient in the mainframe sense, but in an effort to encourage system management, I ran the Node Health Check system on our "commodity" HPC cluster and found multiple failed DIMMs and a failed socket no-one had noticed. (I'd had enough alerts from that on a cluster I managed.)