SWITCHlan Trouble Tickets

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Ticket 20070418_1

Ticket Number: 20070418_1Ticket State: CLOSED
Ticket Opened: 2007-04-18 13:02Ticket Closed: 2008-01-16 17:01
Ticket Description: Scheduled power interruption in Goldau
Scheduled Starttime: Scheduled Endtime:

Problem Description:

2007-04-23 02:00 - 04:30
Power interruption in Goldau station due to maintenance work of power company.
The UPS will most probably have not enough capacity to backup the whole period of interruption.


From 2007-4-23 03:48 - 04:59

Total Loss of connectivity:
CPF link CNAF-GRIDKA-LHCOPN-001 between Manno and Basel

no more redundancy:
Sites of east ring, in Tessin, VSnet, FHZ.
These sites remained reachable through redundant path - all traffic was rerouted automatically.


2007-04-23 08:35
The power outage lastet from 01:30 until 04:00
The UPS was able to back up power supply until 03:48
Between 03:48 and 04:00 the DWDM equipment finally lost power and all links passing Goldau PoP went down.
At 04:00 power was back again and all our equipment and links came up automatically.

For all questions about this ticket, please send mail to noc@switch.ch
or call +41 44 268 15 30.