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Network and server problems Sunday night
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| Author | Message |
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 NilsSend message Joined: 15 Jul 05 Posts: 251 Credit: 6,001,083 RAC: 30   |
We had a network problem in the computer centre at CERN last night, leading to a number of issues for our servers. BOINC servers should be back in business now. Normally tasks should be correctly uploaded again on the next attempt. If you see any issues, please try an update or reset of the project. Sorry for the trouble, and happy crunching! |
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Send message Joined: 1 Nov 12 Posts: 3 Credit: 562,848 RAC: 0 
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I made a reset, but still i get: Server error:Feeder not running |
 Send message Joined: 15 Jun 08 Posts: 2710 Credit: 291,946,603 RAC: 144,736  |
Host 1 is currently running an ATLAS task. Task finished while I was typing this message. Result uploaded but can't be reported. https://lhcathome.cern.ch/lhcathome/result.php?resultid=145793368 Mo 19 Jun 2017 09:21:22 CEST | LHC@home | Sending scheduler request: Requested by project. Host 2 failed to fetch a LHCb task: 19-Jun-2017 09:41:03 [LHC@home] Sending scheduler request: To fetch work. |
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Send message Joined: 1 Nov 12 Posts: 3 Credit: 562,848 RAC: 0
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Now Wu´s flowing (sixTrack)here :) |
Yeti Send message Joined: 2 Sep 04 Posts: 468 Credit: 215,197,406 RAC: 1,612 |
Now Wu´s flowing (sixTrack)here :) But I don't get any Atlas-Tasks :-(  Supporting BOINC, a great concept ! |
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Send message Joined: 15 Jun 08 Posts: 2710 Credit: 291,946,603 RAC: 144,736 |
My ATLAS WU has now been validated but still no new vbox WUs. Instead: "No tasks are available for xxxx Simulation". At least "Server error: feeder not running" has disappeared. |
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Send message Joined: 18 Dec 15 Posts: 1923 Credit: 149,390,541 RAC: 144,634 
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My ATLAS WU has now been validated but still no new vbox WUs. same here; any idea when we will be back to normal operation? |
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Michael H.W. Weber Send message Joined: 18 Sep 04 Posts: 32 Credit: 5,101,128 RAC: 1
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The feeder is not running. No tasks for any of the projects at present. Michael. Rechenkraft.net |
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Michael H.W. Weber Send message Joined: 18 Sep 04 Posts: 32 Credit: 5,101,128 RAC: 1
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...now it works again. Michael. Rechenkraft.net |
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Send message Joined: 15 Jun 08 Posts: 2710 Credit: 291,946,603 RAC: 144,736 |
Got a WU from LHCb on host 1 and another WU from Theory on host 2. Both started normal. I'll keep my fingers crossed. |
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Michael H.W. Weber Send message Joined: 18 Sep 04 Posts: 32 Credit: 5,101,128 RAC: 1
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The feeder is down again... Michael. Rechenkraft.net |
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Nils Send message Joined: 15 Jul 05 Posts: 251 Credit: 6,001,083 RAC: 30 |
We are experimenting with the feeder parameters to try to tune performance. With our default setting, it takes 5-10 minutes to fill the scheduler memory buffer size with the current backlog of tasks. |
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Send message Joined: 15 Jun 08 Posts: 2710 Credit: 291,946,603 RAC: 144,736 |
Host 1: 20-Jun-2017 13:12:40 [LHC@home] No tasks are available for LHCb Simulation No further error message. Host 2: 20-Jun-2017 13:15:59 [LHC@home] No tasks are available for CMS Simulation No further error message. Although there should be thousands of unsent WUs: https://lhcathome.cern.ch/lhcathome/server_status.php |
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Nils Send message Joined: 15 Jul 05 Posts: 251 Credit: 6,001,083 RAC: 30 |
What the scheduler has in shared memory may not always match what is queued in the database. The tasks should come after a while, but the feeder has difficulties with the backlog from Sunday. As mentioned, we're trying to optimize this, and you might see occasional "feeder not running" messages on your client today. |
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