Sequencer: Smart Control of Hardware and Software Components in Clusters (and Beyond)

Pierre Vignéras
2011 USENIX Large Installation Systems Administration Conference  
Starting/stopping a whole cluster or a part of it is a real challenge considering the dierent commands related to various device types and manufacturers, and the order that should be respected. This article presents a solution called the sequencer that allows the automatic shutting down and starting up of clusters, subset of clusters or even data-centers. It provides two operation modes designed for ease of use and emergency conditions. Our product has been designed to be ecient and it is
more » ... tly used to power on and power o one of the largest cluster in the world: the Tera-100, made of more than 4000 nodes.
dblp:conf/lisa/Vigneras11 fatcat:noew3hnq6vgnvmnxcsrldbhofy