Synopsis
Begin 2017-05-11 09:05:00
End 2017-05-11 09:25:00
Affected postvak, barzan (+VMs), bioboost2, bioboost3, vos (+VMs: bfacdc04, gitlab4, smtp), heflo, lilo4, microarb, microclc, lynx (+websites: squirrel, www.cs, …)

Switch es7-huyg-04-070 of a server rack became powerless after maintenance in the computer room of C&CZ. Restoring power and powering up the switch resolved all problems.