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| Start | End | What is happening? | What will be affected? |
|---|---|---|---|
| 2017-03-25 10:15PM | scratch MDT failover | scratch is unavailable, df hangs, paused the scheduler and sent user email etc. | |
| 2017-03-25 4pm | 2017-0325 8pm | login node ps hang | rebooted h1-h3, lost bw/h2ologin DNS record, had neteng recreate the record. Had to rotate login in and out of round-robins until all rebooted. User email sent (2). |
2017-03-23 (1000) | 2017-03-23 (1500) | NCSA Nebula Outage | Nebula will take an outage to balance and build a more stable setup for the file system. This will require a pause of all instances, and Horizon being unavailable. |
| 2017-03-28 (0000) | 2017-03-29 (1600) | Blue Waters maintenance | Due to maintenance of cooling infrastructure at NPCF, Blue Waters will have full system unavailable during the maintenance. Cray will also take this maintenance window to perform some system updates at the same time. |
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