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====== 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 |


⇒ [[engineering:stop_day_procedures|Description of stopday procedures]]\\
⇒ [[https://docs.google.com/spreadsheets/d/e/2PACX-1vSEbxNss-nmOofKDXJRmgACwMDB9zeekBLRl39krswsVGIigfvzD_EdnlKJ_2TF-IGgoX2IXvc2YlXL/pubhtml|LOFAR Schedule cycle 10]]\\
⇒ The next stopdays are scheduled for October 2-3.

===== Systems =====



==== 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



===== Software updates =====

==== MoM and related ====

  * 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 

===== In the field =====

  * 
==== Review meeting ====

The minutes of the review meeting can be found [[public:stopday_review_Aug_2018|here]].