Lustre Woes

I’m currently maintaining a small cluster with a head node and 17 other nodes with everything connected together through a switch. It’s running Centos 7 and has a Lustre file sytem which is contained on three additional machines; one of them is running the MGS/MDS servers, and the other two are running two storage targets…

Installations with Spack

As a user of large-scale Linux systems both at a university and at a national laboratory, I often find myself needing to use software that isn’t available at a system level. In some cases, it’s possible to make a request for that application to be added by the system administrators, but, more often than not,…