Problems with centurion

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kittyman Special Project $250 donor
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Message 1846882 - Posted: 5 Feb 2017, 21:08:46 UTC - in response to Message 1846878.  

Somebody on the staff has activated three additional splitters to help us blast through the remaining work as quickly as possible.

That would be Eric, bless his heart, on Superbowl Sunday.
"The secret o' life is enjoying the passage of time." 1977, James Taylor
"With cats." 2018, kittyman

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jnamath

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Message 1847074 - Posted: 6 Feb 2017, 18:20:12 UTC

I havn't gotten any WUs for 2 Days now - is the server still down, or do I have a local problem?

Cheers
Holger

Mo 06 Feb 2017 06:17:18 CET | SETI@home | Requesting new tasks for CPU and NVIDIA GPU
Mo 06 Feb 2017 06:17:20 CET | SETI@home | Scheduler request completed: got 0 new tasks
Mo 06 Feb 2017 06:17:20 CET | SETI@home | Project has no tasks available
Mo 06 Feb 2017 17:38:22 CET | SETI@home | Sending scheduler request: To fetch work.
Mo 06 Feb 2017 17:38:22 CET | SETI@home | Requesting new tasks for CPU and NVIDIA GPU
Mo 06 Feb 2017 17:38:24 CET | SETI@home | Scheduler request completed: got 0 new tasks
Mo 06 Feb 2017 17:38:24 CET | SETI@home | Project has no tasks available
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Profile Chris Feyen
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Message 1847081 - Posted: 6 Feb 2017, 18:34:13 UTC - in response to Message 1847074.  

Looks like the server is still down. 2 of my faster PCs have been idle now for 2 days as well.
~Chris

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Richard Haselgrove Project Donor
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Message 1847128 - Posted: 6 Feb 2017, 22:36:02 UTC

When in doubt, refer to the Server Status Page (SSP). It takes a bit of experience to decipher, but ask in Number Crunching if you need a helping hand.

Work is in short supply, but it does exist, and the servers are still dishing it out - not on every request, though.
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Hugo A. Durantini Luca

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Message 1847238 - Posted: 7 Feb 2017, 15:59:27 UTC

You have to insist a little, I was getting no units and after my last attemp I got 19 for my i5 :)
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Message 1847249 - Posted: 8 Feb 2017, 3:16:14 UTC - in response to Message 1847238.  

Do you think they're still having problems with it? I still don't have WU's :(
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Message 1847261 - Posted: 8 Feb 2017, 4:16:03 UTC - in response to Message 1847249.  
Last modified: 8 Feb 2017, 4:16:27 UTC

Do you think they're still having problems with it? I still don't have WU's :(


Centurion is still not working- https://setiathome.berkeley.edu/show_server_status.php
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Richard Haselgrove Project Donor
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Message 1847309 - Posted: 8 Feb 2017, 10:53:43 UTC - in response to Message 1847261.  

Actually, I don't think it's Centurion's hardware at fault this time - it was handling the MESSIER tapes just fine last week, until they ran out.

Although both SETI@Home and - especially - Breakthrough Listen have been singularly uncommunicative of late, there is evidence behind the scenes that the staff are working on an incompatibility between the way BL are recording data, and the way that SETI is set up to handle the recordings.

Yesterday, Jeff Cobb wrote:
This code results in the correct frequency for BL guppi
data with descending frequency channel ordering and
the OBSBW and CHAN_BW header items appearing as
negative numbers.

This was tested with a known birdie.
So, I'm assuming that after a bit more testing, they're almost ready to restart the BL 'HIP' pipeline. Until then, we're running on the fumes of the Arecibo tapes from 2008.
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Message 1847328 - Posted: 8 Feb 2017, 14:58:36 UTC

Until then, we're running on the fumes of the Arecibo tapes from 2008.

Thankfully they haven't reached bottom of that box yet.

(Are there any more boxes lying around yet to be emptied?)
Bob Smith
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Richard Haselgrove Project Donor
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Message 1847331 - Posted: 8 Feb 2017, 15:10:36 UTC - in response to Message 1847328.  

(Are there any more boxes lying around yet to be emptied?)
Checked my database, and the answer is - 42. (Yes, really - tapes, that is, not boxes)

But we've barely touched 2007 yet...
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Message 1847332 - Posted: 8 Feb 2017, 15:12:05 UTC

So we can say there a few left in the current box and (at least) one more box to go :-)
Bob Smith
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Profile Chris Feyen
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Message 1847366 - Posted: 8 Feb 2017, 18:46:17 UTC - in response to Message 1847249.  

I rebooted one of my PCs that had no tasks, afterwords it was able to download a lot
~Chris

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Message 1847377 - Posted: 8 Feb 2017, 20:00:31 UTC

no work for the last 4 days.. withdrawal pains are real
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Profile Tommy Voodoo

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Message 1847437 - Posted: 9 Feb 2017, 1:12:56 UTC

and...... I have work.

thanks!
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Message 1847495 - Posted: 9 Feb 2017, 11:34:59 UTC

And that seems to be about that. Our staff fixed the Breakthrough Listen splitters, and we've run through all the available data. But the Arecibo splitters got broken in the process.

The search for ET will resume when Breakthrough Listen fund enough staff to keep every link in their processing chain functional at the same time.

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Message 1847683 - Posted: 10 Feb 2017, 3:41:05 UTC

No work for several days... my OCD is going into overdrive!
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Message 1847768 - Posted: 10 Feb 2017, 10:51:08 UTC - in response to Message 1847683.  

If you really had CDO you would have put the letters in their correct order. ;-)
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Message 1847770 - Posted: 10 Feb 2017, 11:04:05 UTC - in response to Message 1847768.  

If you really had CDO you would have put the letters in their correct order. ;-)


They are already... they are sorted by roundness in descending order! :^)

And to anyone not getting work for days try restarting the BOINC client, check over your preferences, maybe even reboot. There's no way it should have been this long for anyone, at most a few hours on all of my machines (and this is without "micromanaging" their requesting.) The client will sometimes just get stuck where it is not requesting work every five minutes if it doesn't have enough on either platform.
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Message 1847771 - Posted: 10 Feb 2017, 11:10:32 UTC

Centurion lives and breathes and is back in the fray. Just a minor blip in the cosmos of things :-)
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Message 1848628 - Posted: 14 Feb 2017, 9:10:09 UTC - in response to Message 1847495.  

The search for ET will resume when Breakthrough Listen fund enough staff to keep every link in their processing chain functional at the same time.

One of the problems is that the lads in the SSL have other projects that they work on, Eric, Matt, & Jeff don't do Seti 24/7, at least they didn't when I was there in 2011. A chain is only as strong as its weakest link, and at present that is the server Centurion. That is the most powerful machine that they have, is fairly new, and was specifically earmarked for GBT data.

But as DA highlighted in his "drains up" report, the Lab staff are scientists and astronomers, analysing incoming data, but they spend too much time fire fighting with recalcitrant kit. But now that the famous SSL server closet has been re-sited at the CoLo, it means a trip into town to fix anything serious. There is only so much you can do with remote login capability.
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Message boards : News : Problems with centurion


 
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