Table of Contents

Scheduled Maintenance

This page is being updated.

Upgrade of machines 2017

Machines to upgrade: 30


Target distribution

Tentative Schedule

Status of other machines

Papaya will be updated to a more powerful machine running centos7. It will run all services on a raid 1 sw disk set.

Upgrade of vespa 2017

Decision pending: centos6 or centos7

From :

CentOS6 CentOS7
Full Updates Q2 2017 Q4 2020
Maintenance Updates November 30th, 2020 June 30th, 2024

Probably CentOS7 for all machines is the best choice.


  1. Update to a new machine with CentOS7
    • define salt states for it
    • install intel license server
    • install salt?
    • install tftp
    • install needed pxe boot stuff for nodes
    • %DATE% Switch old vespa frontend to new vespa frontend
  1. Update n3 as guinea pig
    • %DATE% switch off n3
    • clone disk to a virtual machine for future use
    • update to latest ILOM
    • define salt config states
    • install slurm
    • test slurm interactive mode
    • install eb
    • install modules: new env must be completely based on modules, no more specific
  1. Update n6 as guinea pig
    • %DATE% switch off n6
    • test automatic rebuilt of n3 setup on demand

front ends

old nodes n1-n5


old nodes n6-n10

Opteron! Will CentOS7 run on those? Test on n6

old nodes n11-n12

new nodes n13-n20