Back on line after some repairs... (Jul 24 2014)


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Message boards : Technical News : Back on line after some repairs... (Jul 24 2014)

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Profile Matt Lebofsky
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Message 1547030 - Posted: 24 Jul 2014, 21:22:58 UTC

We had a few extra minor planned outages this week (nothing as severe as I warned on the front page) for repairs down at the colocation facility where most of our servers are kept. Quite simply, they needed to replace some backup power circuits that were "out of tolerance" (i.e. not up to high standards for availability in case other circuits failed). In theory we didn't really need to bring servers services down, because most of them have multiple power supplies spread over different circuits. But (1) we used this as an exercise that all of our system will indeed stay afloat if power was suddenly cut to one of its supplies (all systems passed this test!) and (2) we have some systems which only have one supply, and thus had to be moved onto safer power for the repairs. Also (3) if the databases and servers are off, the systems are pulling much less power, thus lessening the impact when power was moved around during the procedure.

Anyway, everything went smoothly, we're back on line (still recovering a little bit as I write this sentence). As you were :).

- Matt
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Message 1547101 - Posted: 25 Jul 2014, 1:55:04 UTC

It is good to hear when things go well.
As always, Thanks for taking the time to give us an update.
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Message 1547147 - Posted: 25 Jul 2014, 4:09:37 UTC

Thanks much for taking the time to write the update Matt.
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Message 1547170 - Posted: 25 Jul 2014, 5:10:26 UTC - in response to Message 1547030.

Thanks for the explanation Matt,

Claggy

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Message 1547172 - Posted: 25 Jul 2014, 5:14:52 UTC - in response to Message 1547101.

It is good to hear when things go well.
As always, Thanks for taking the time to give us an update.

+1
Thanks Matt :)
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Message 1547245 - Posted: 25 Jul 2014, 6:59:29 UTC

Thanx for the update Matt:)
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Message 1548735 - Posted: 28 Jul 2014, 2:39:35 UTC

Thank you Matt!
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Message 1554066 - Posted: 9 Aug 2014, 2:16:12 UTC

Thanks for the news post Matt, things have certainly been going well since this service happening housed at Colo.

I have one question in regards to when sending data to Colo to be split, is the data downloaded on a computer through an Internet browser like we download Boinc and is the data compressed or is it transferred with no compression? Example tape 17au08ac is 10.29 GB
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Message boards : Technical News : Back on line after some repairs... (Jul 24 2014)

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