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FS#3028 — FS#6987 — BHS

Attached to Project— Datacenters
Incident
All of the datacenters
CLOSED
100%
We had an electrical cutoff for 2 seconds on one of the 2 arrivals of the DC. The BHS1 tour has not been impacted thanks to the inverters.
ALPHA room has been impacted since it is not corrugated (it's the ALPHA principle).

Few minutes ago, we had again some arrival cutoffs. ALPHA is down. BETA will take 15 minutes on the inverters.
The team are on their way to switch manually the electrical arrival of the DC to the 2nd arrival wishing that it won't get impacted by the electrical cutoff in the corner.
Date:  Monday, 09 July 2012, 09:02AM
Reason for closing:  Done
Comment by OVH - Monday, 09 July 2012, 08:36AM

Our teams had just switched the electrical arrival of the DC to the 2nd arrival. The DC is now supplied.
BETA is not impacted. ALPHA is back.

Within few weeks the switching between both arrivals will become automatic and in case of a problem, groups will take the over.


Comment by OVH - Monday, 09 July 2012, 08:38AM

Beauharnois and Valleyfield are in complete darkness.
More electrical current to 20km !


Comment by OVH - Monday, 09 July 2012, 08:40AM

At first we had a micro-cutoff:
Jul 9 04:48:24 DOWN
Jul 9 04:48:26 UP

The the cutoff:
Jul 9 05:00:45 DOWN
Jul 9 05:26:15 UP

The DC has held on inverters for more than 26 minutes.


Comment by OVH - Monday, 09 July 2012, 09:02AM

There has been a short circuit in a big sub-station Chateaugay. Therefore, the sub-station of De Lery was completely lost.
Hydro Quebec has booted the dam in order to resupply the sub-station of De Lery. The breakdown with Hydro Quebec lasted for 6-7 minutes.

At this level, we have a protection system which cut the electrical arrivals if the current breakdown lasts for long (!!).
It is totally stupid and we'll change it.
Our teams have intervened and put back the current in the DC. All held thanks to the inverters.


The first group arrives in 10 days. It will be operational before the end of this month.