Sean Donelan [EMAIL PROTECTED] writes:
1) Good that they [seemed] to have maintained partial power.
It would be interesting to find out what happened to the two UPSes that
apparently failed. Was it something that exceeded the design, i.e. a
lightning strike greater than X joules? Or
I was at Dulles airport at the time, and the result was chaos.
Everyone had to go into the basement of the terminal building,
and many people experienced flight delays (mine was about 5 hours).
Regards
Marshall Eubanks
On Sep 18, 2004, at 7:19 PM, [EMAIL PROTECTED] wrote:
From the NWS:
A tornadic
On Sun, 19 Sep 2004, Robert E. Seastrom wrote:
1b) No substitute for site diversity if your project is important
enough to justify the cost.
And even when you have site diversity, Murphy and Mother Nature can
still get you.
The federal National Finance Center in New Orleans, LA shutdown due
John Starta [EMAIL PROTECTED] writes:
http://www.washingtonpost.com/wp-dyn/articles/A29911-2004Sep17.html
Printer-friendly version for your signin-bypassing pleasure:
http://www.washingtonpost.com/ac2/wp-dyn/A29911-2004Sep17?language=printer
I was a little closer to the Ashburn one than I
I was in the building last night when the weather went bad here :(
It was definatly scramble mode.
When the power went out to the welcome area obviously it got silent and I
could hear the sounds of the magnetic doors releasing.
(I do not like that sound) I saw a loss of HVAC but not a loss of
Robert E.Seastrom wrote:
John Starta [EMAIL PROTECTED] writes:
http://www.washingtonpost.com/wp-dyn/articles/A29911-2004Sep17.html
Printer-friendly version for your signin-bypassing pleasure:
http://www.washingtonpost.com/ac2/wp-dyn/A29911-2004Sep17?language=printer
I was a little closer to the
From the NWS:
A tornadic thunderstorm moved into eastern Loudoun County from
western Fairfax County in the vicinity of the Washington Dulles
International Airport. This tornado passed within one half mile of
the National Weather Service forecast office in Sterling. This
prompted the weather
On Sat, 18 Sep 2004, Robert E.Seastrom wrote:
The reason that I bring this up is that I believe a report which
is posted two hours after the event and glosses over potentially
serious operational anomalies by stating that everything is cool (in
the present tense) does not serve anyone's best
Despite marketing departments, engineers know there will be failures.
A N+1 design means two faults will result in an interruption. A N+2
design means three faults wil result in an interruption. And so on.
Only caveat here (that I want to add) is this:
1) No matter what the company, no matter
quote who=Deepak Jain
Specifically in Equinix's case:
1) Good that they [seemed] to have maintained partial power.
2) Good that they restored cooling [power to the blowers?] relatively
quickly. By the graph someone posted and their message, it looks like
their chillers were on an
On Sat, 18 Sep 2004, Deepak Jain wrote:
3) Many new systems [say datacenters built/upgraded in the last 5 years]
haven't been around long enough to really test 99.999% and above levels
of availability... many new systems won't start showing problems for
5-10 years.
Past performance is not a
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