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Panic Mode On (113) Server Problems?
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13841 Credit: 208,696,464 RAC: 304 |
Well, if nothing else someone threw up a load of tapes sufficient to get through the weekend, by the looks of it ... As long as the system doesn't choke on the Validation/Assimilation backlogs. Grant Darwin NT |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
I think the conclusion is that "no one" threw any new tapes onto the splitters. The Arecibo tapes are auto-mounted automatically by a script. Probably the Green Bank tapes too but not sure since I didn't see the post saying that GBT had a permanent lab connection. . . I remember some discussion about trialling one and deciding it was too expensive so it was dropped. I haven't seen anything since to say that it had been reinstated. There were many volunteers offering to share bandwidth and relay the data to Berkeley but obviously none were taken up. There was also mention of trying to feed it via an internet connection but it was waaay too slow and also worked out very expensive. So I am guessing he was right and someone (thank you) actually took part in the mounting of the additional tapes. . . But all is for nought if the validators remain stalled and a logjam brings the splitters to a halt as before. For that matter the no14aa tape seems stuck as well. Stephen ? ? |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873 |
Well Richard's post said the Arecibo files are automatically loaded remotely by a script. So I guess they could afford the permanent connection to AO but not the permanent connection to GBT. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
. . But all is for nought if the validators remain stalled and a logjam brings the splitters to a halt as before. For that matter the 14no18aa tape seems stuck as well. . . Correction ... Stephen :( |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
Well Richard's post said the Arecibo files are automatically loaded remotely by a script. So I guess they could afford the permanent connection to AO but not the permanent connection to GBT. . . Yep, he did say they have a link to AO. That was not mentioned in the other discussion that I recall but they did say they were investigating getting a piggyback over some other government network. Maybe they were able to do that for AO, so maybe they managed it for GBT as well but that is purely speculation. But since they only seem to be getting 1 or 2 AO tapes per day they may have a cheap low bandwidth link that can support that amount of data. GBT data is far more prolific and would require some serious bandwidth. Even if the roughly 100 tapes that are being mounted in each of the series we have seen lately represent a weeks effort that is about a dozen tapes per day and could be fairly costly bandwidth. Maybe some kind soul will find the time and post about the actual details of their setup. Stephen ? ? |
juan BFP Send message Joined: 16 Mar 07 Posts: 9786 Credit: 572,710,851 RAC: 3,799 |
Sat 17 Nov 2018 09:02:40 AM EST | | Project communication failed: attempting access to reference site Sat 17 Nov 2018 09:02:40 AM EST | SETI@home | Scheduler request failed: Timeout was reached Sat 17 Nov 2018 09:02:42 AM EST | | Internet access OK - project servers may be temporarily down. Get this answer when the host ask for new WU. Something to turn ON the Panic Switch? <edit> Back to work normally now. |
James W Send message Joined: 26 May 12 Posts: 51 Credit: 4,956,027 RAC: 13 |
I've got a number of completed WUs dated 11/14 as well in my valid list. Agree with Grant that need to keep are fingers crossed that servers will hold out for the weekend! |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
Well Richard's post said the Arecibo files are automatically loaded remotely by a script. So I guess they could afford the permanent connection to AO but not the permanent connection to GBT. . . Hi Keith, have you seen your fund raiser e-mail yet? Interesting timing. So the link to Arecibo is not a permanent data link but a virtual link over the internet as was proposed in the previously mentioned discussion. . . The most exciting part of the letter is the information that data from Parkes is in house and about ready for the splitters. With all the GBT tapes mounted at the moment it will probably still be a while before we begin to see them but sooner now rather than later. . . So many questions soon to be answered. Will they use the same BLC naming format as GBT? Will they use the same data format and will they process as the same rate or be slower? Will the target rich skies produce a higher rate of overflows (late not early) and will the nature of the area have a bigger noise problem? . . They are still asking for more crunching power so maybe it is time for yet another Ryzen rig with a few GTX2080ti cards this time :). Sadly I have doubts that the servers can currently handle the load that a significant leap in processing power would produce ... :( Stephen :) |
rob smith Send message Joined: 7 Mar 03 Posts: 22492 Credit: 416,307,556 RAC: 380 |
Given that the "telescope end" of the feed chain is based on that used for generating the data from Green Bank it is quite possible that the data format is the same, with just a different prefix code for the work unit name. It will certainly be an interesting step, something from a "long way South", and a second "horizon to horizon" telescope. Actually about the same latitude as the GBT, just South rather than North of the equator. Bob Smith Member of Seti PIPPS (Pluto is a Planet Protest Society) Somewhere in the (un)known Universe? |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873 |
@Stephen, actually I think I was one of the first to receive the donation email letter and posted about it.https://setiathome.berkeley.edu/forum_thread.php?id=83560 Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Speedy Send message Joined: 26 Jun 04 Posts: 1643 Credit: 12,921,799 RAC: 89 |
Things seem to be holding well with over 1.3 million results waiting in the administrator queue. It will be interesting to see if it has any knock-on effect when it is cleared apart from more results unable to be deleted. Or maybe is this the new normal with the current throughput of work? |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13841 Credit: 208,696,464 RAC: 304 |
The forums are back, now to see if there's any life with the servers. Reporting is possible, "Projects has no new tasks" is the response to work requests. Grant Darwin NT |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873 |
But they barely made any dent in the validation, deletion, purging backlog. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
The forums are back, now to see if there's any life with the servers. . . Same here, another 14 hour outrage ... :( . . Machines out of work long ago ... :( Stephen :( |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13841 Credit: 208,696,464 RAC: 304 |
But they barely made any dent in the validation, deletion, purging backlog. Whatever they were doing, it wasn't that particular housekeeping. Server Status is updating again, plenty of work available, the Scheduler just isn't giving it away at the moment. "Project has no tasks available" Edit- That's everything reported, now we just need some new work. Servers must be finally coming back to life- Database master-queries-per second has peaked, and the forums & web page are now in their go slow mode. Grant Darwin NT |
Pierre A Renaud Send message Joined: 3 Apr 99 Posts: 998 Credit: 9,101,544 RAC: 65 |
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