Stop-day activities August 7-8, 2018


Coordinator Teun Grit roadmin@astron.nl
Software Support Adriaan Renting softwaresupport@astron.nl
Science, Operations and Support Thomas Franzen sos@astron.nl
Observer Richard Blaauw observer@astron.nl

Description of stopday procedures
LOFAR Schedule cycle 10
⇒ The next stopdays are scheduled for October 2-3.

Cobalt

  • √ Reboots and idrac reboots. (Hopko)

CEP3

  • √ Block access at 08:00 (Teun)
  • √ All nodes: file system check and reboot. (Kees)

After the reboot a problem appeared, where the NIS netgroup “cep3” seem to miss 2 users. A workaround was implemented and it was solved the next day.

CEP4

  • √ No Reboot needed. Was done last week(Hopko)

LEXARS

  • √ No action. Were rebooted last week. (Hopko/Robin)

LCU

  • √ Only 13 of them need reboot: CS004C CS021C CS024C CS026C CS101C CS501C CS302C CS401C RS509C RS508C DE605C SE607C FR606C
  • √ cn001 is 540 days up, needs reboot
  • √ All other machines are okay

Portals

  • √ Update & reboot using Spacewalk

Central Services lcs020 .. lcs030

  • OS upgrade and reboot

Other Central Services

  • OS upgrade and reboot

LTA

  • None

Aartfaac

  • √ Reboot of nodes agc001,agc002, ads001, ais001…ais007 (Teun/Jasmin)

The correlators agc001 and agc002 were rebooted. Others (ads001, ais001 - ais007) received an upgrade to the latest Ubuntu 16.04. A cleanup of old Linux kernels on those systems 8GB from each systemdisk and shorted the upgrade significantly

Core switches

  • None
  • none

MAC/SAS

  • none (A problem was solved in the configuration of the supervisor daemon of scu001)

CEP3

  • ✘ Upgrade matplotlib to at least 2.2.1 (ref. ROHD-1004) Postponed. Needs to be tested thouroughly. Was temporary solved in ROHD-1004.
  • √ Upgrade pip to the latest version ( pip install –upgrade pip )
  • √ Install lmfit (ref. ROHD-1022)
  • √ Slurm update to version 17.11 (latest) (Hopko/Robin/Kees)

LCU

  • None

CEP4

  • None (Slurm update not tested yet. Probably on Oct. stop-day)

Aartfaac

  • None

COBALT

  • none

LTA

  • none

Review meeting

The minutes of the review meeting can be found here.

  • Last modified: 2018-09-10 09:18
  • by Reinoud Bokhorst