[ Thanks to Steven J.
Vaughan-Nichols for this link. ]
“Once upon a time, clustering was restricted to mid-range
computers like VAXes and SPARC servers. Now, however, clustering
software for Linux has become commonplace. Unfortunately, real-time
cluster-monitoring tools have lagged behind. This can make properly
managing a cluster… interesting.“Sandia National Laboratories has a possible answer: OVIS, an
open-source software tool that provides intelligent, real-time
monitoring of computer clusters…”