SETI@home is a scientific experiment, based at UC Berkeley, that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data.

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petri33
I'm from Finland, born in late sixties. I turned decades ago my computer hobby into an occupation for twenty years as a civil engineer. Got bored of it...

Weekly Outage and Initial Catch Up
Every Tuesday morning (Pacific time) we begin a five hour data distribution outage for database and systems maintenance. The upload/download servers will be offline during this time. Afterwards you may experience connectivity issues for several more hours as the servers catch up with demand.
6 Mar 2019, 20:57:56 UTC

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Long Outage Today
We had to recover the master database on oscar from a backup taken today on carolyn. Oscar is now back to being the master DB and carolyn is once again the replica DB. Things will be a bit slow as the database becomes resident in memory.
10 Apr 2019, 0:57:56 UTC · Discuss

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The Drake Equation Revisited
Richard Lawn has given us a new SETI Perspectives article to think about. This one is about the Drake Equation.
4 Apr 2019, 18:39:35 UTC · Discuss

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Another crash
This time the primary database machine crashed and hasn't automatically recovered. We've fallen back to the replica machine, and the only symptom should be a few extra hours of outage.

I'm glad we have the replica.
3 Apr 2019, 0:14:23 UTC · Discuss

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New SETI Perspectives article
Richard M Lawn has posted another interesting article to the SETI Perspectives forum. This one is about the mysteries of Fast Radio Burst (aka FRBs), possibly some of the most distant explosions ever seen.
12 Mar 2019, 21:18:25 UTC · Discuss

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We're back up.
Hopefully there won't be any further problem.

Our attempt to upgrade the memory on Oscar (the BOINC database machine) and Carolyn (the replica database) took a bit of DIMM swapping to find pairs of DIMMs that worked. Carolyn is still short two DIMMs (32 GB), but we didn't want to extend the outage any further to try to get it up to the full 192 GB.

We might try to max out Carolyn during the outage next week.

[edit]And as is usual after a long outage, we've got a large number of hosts out there starving for work. It'll take a little while before "no work" messages start to get less frequent.[/edit]
7 Mar 2019, 0:51:29 UTC · Discuss

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