Difference between revisions of "Euler power outage (24 July 2018)"

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17:15 —  '''Euler is back!''' Login nodes are open. Batch queues are currently inactive. They will be activated once we are sure that the batch system is working properly
 
17:15 —  '''Euler is back!''' Login nodes are open. Batch queues are currently inactive. They will be activated once we are sure that the batch system is working properly
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19:00 —  All 4-hour and 24-hour queues are active. If all goes well, 5-day and 30-day queues will be activated tomorrow morning.

Revision as of 17:01, 24 July 2018

Due to a massive power outage in Lugano (and apparently a big part of Ticino), most compute nodes of Euler went down at 10:42 this morning, causing the loss of all running jobs.

Since our colleagues at CSCS do not know when the power will be restored, we have initiated an emergency shutdown of all systems connected to UPS, including storage systems, login nodes and admin nodes.

We will update this page as the situation evolves.

Updates

11:30 — More information about the outage (in Italian): https://www.ticinonews.ch/ticino/468791/e-luce-fu-elettricita-tornata

12:30 — The power in Lugano is back on-line. CSCS is now restarting the data centre's cooling infrastructure

13:15 — Information about outage from the electricity provider (in Italian): https://www.ail.ch/meta-navigation/media/news-comunicati/Ripristino-interruzione-di-servizio.html

13:30 — The cooling infrastructure at CSCS is operational again. We can now progressively restart the network and storage systems of Euler. This will take a few hours

15:00 — All storage systems are up and healthy. We can now start powering up compute nodes

16:15 — Most compute nodes are up. We are now testing the health and performance of the nodes and networks

17:15 — Euler is back! Login nodes are open. Batch queues are currently inactive. They will be activated once we are sure that the batch system is working properly

19:00 — All 4-hour and 24-hour queues are active. If all goes well, 5-day and 30-day queues will be activated tomorrow morning.