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| Start | End | What System/Service is affected | What is happening? | What will be affected? |
|---|---|---|---|---|
| 2017-07-19 08:00 | 2017-07-19 20:00 | Campus Cluster / Scheduler offline | Apply security patches | Cluster wide, except mwt2 nodes |
| 2017-07-20 06:00 | 2017-07-20 10:00 | LSST / Scheduler will be unavailable. | Monthly OS patches (addressing issues including CESA-2017:1615 and CESA-2017:1680). Roll-out updated puppet modules. Batch nodes updated firmware. | All nodes in NCSA 3003 and NPCF (batch nodes) will reboot. |
| 2017-07-20 09:00 | 2017-07-20 17:00 | ROGER Ambari and OpenStack will be unavailable, batch nodes will not be affected | security patches | Ambari nodes (cg-hm08 - cg-hm18), OpenStack instances and servers |
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