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Technical News :
An Actual Computer Bug (Apr 17 2007)
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Author | Message |
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Matt Lebofsky Send message Joined: 1 Mar 99 Posts: 1444 Credit: 957,058 RAC: 0 |
The BOINC web server (isaac) had its root partition fill up this morning. No big deal but the site was down for a bit as Eric cleaned that up. During the outage we cleaned up the remaining master/replica database discrepancies and finally put sidious on UPS. Yup - it was running without a net for the past however many weeks. Well, not a direct net - we always had a replica database that was on UPS, as well as recent backup dumps. The "reorg" part took much longer than last week - perhaps due to the result/workunit tables being exercised by the new quorum settings. While sidious was powered down I replaced the keyboard (it was using a flaky USB keyboard salvaged from a first-generation iMac) and removed the case to inspect its RAM (so we have exact specs in the event of upgrade). I popped open one of the memory banks and found that, at some point, a spider had taken up residence inside. Not really a wise choice on its part. The webs and carcass of the long deceased critter were removed before putting the memory back. Once again, db_dump is running at the time of writing, seemingly successfully. There were some mysql configuration settings we were experimenting with last week. Though not obvious why, one of these may have been forcing the long db_dump queries to time out. Anyway, we shall see... it just wrapped up the user table sans hitch. - Matt -- BOINC/SETI@home network/web/science/development person -- "Any idiot can have a good idea. What is hard is to do it." - Jeanne-Claude |
littlegreenmanfrommars Send message Joined: 28 Jan 06 Posts: 1410 Credit: 934,158 RAC: 0 |
Sounds good Matt! Fingers crossed here |
KB7RZF Send message Joined: 15 Aug 99 Posts: 9549 Credit: 3,308,926 RAC: 2 |
Thank you again Matt, glad things went a bit smooth for you guys. Ill be keeping my fingers crossed too. |
Graeme of Boinc UK Send message Joined: 25 Nov 02 Posts: 114 Credit: 1,250,273 RAC: 0 |
Well done. I and many others are looking forward to the statistics coming back. Graeme. |
speedimic Send message Joined: 28 Sep 02 Posts: 362 Credit: 16,590,653 RAC: 0 |
[qoute]While sidious was powered down I replaced the keyboard (it was using a flaky USB keyboard salvaged from a first-generation iMac) and removed the case to inspect its RAM (so we have exact specs in the event of upgrade).[/quote] talking about specs - can we have the specs for the missing cpu? mic. mic. |
ML1 Send message Joined: 25 Nov 01 Posts: 20318 Credit: 7,508,002 RAC: 20 |
While sidious was powered down... Is it actually known to be a CPU problem, or is it a motherboard problem?... Regards, Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
Nicolas Send message Joined: 30 Mar 05 Posts: 161 Credit: 12,985 RAC: 0 |
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john galbraith Send message Joined: 9 Aug 02 Posts: 3 Credit: 49,710 RAC: 0 |
I've been trying to upload results for the last 3 hours and get the message that the project servers may be down. Maybe that bug wasn't dead after all. |
Bluegrass Send message Joined: 20 May 99 Posts: 11 Credit: 218,479 RAC: 0 |
I've been trying to upload results for the last 3 hours and get the message that the project servers may be down. Maybe that bug wasn't dead after all. I hava also been trying to upload for 18 hours and no connection. I get the following Access to reference site succeeded. Project servers may be down. I checked and servers are not down. What gives???? |
sideband@seti.usa Send message Joined: 19 Jun 99 Posts: 25 Credit: 2,774,864 RAC: 0 |
I've been trying to upload results for the last 3 hours and get the message that the project servers may be down. Maybe that bug wasn't dead after all. It's all part of the usual friendly, neighborhood weekly Berking.. Of course, someone will realize that something is wrong in due time, and then plug the cable back in, or start the service that didn't start, or whatever, and things will be back to normal...ish. According to the site status page, all the assimilators are down.. so that could be a clue. 73 de AI8W, Chris Abdico Concussio Fidens Servo Libertas Semper! |
Ernst-Friedrich Henrich Send message Joined: 11 Oct 06 Posts: 2 Credit: 6,853 RAC: 0 |
Nothing will be back to normal. Still the other way round. |
Foldgate Send message Joined: 29 Sep 01 Posts: 3 Credit: 1,240,167 RAC: 0 |
There is something weird with the upload and download. Some WU just do it as they are supposed to do it, they download flawless. I also have an upload stuck on 2.05% for hours now, and a download that has not even begun and has been stuck for hours. I have tried to resend them manualy several times, but to no avail. |
Daniel S. Gandolfo Send message Joined: 17 Nov 02 Posts: 56 Credit: 2,430,947 RAC: 0 |
Hello, I am having the same problem. I cannot upload my completed WU's. I now have three (and counting) stacked WU's for uploading. They download OK but uploading is the problem. |
John Clark Send message Joined: 29 Sep 99 Posts: 16515 Credit: 4,418,829 RAC: 0 |
Check with Number Crunching. Two similar threads, including Panic on #4 It's good to be back amongst friends and colleagues |
Ernst-Friedrich Henrich Send message Joined: 11 Oct 06 Posts: 2 Credit: 6,853 RAC: 0 |
Nothing will be back to normal. Still the other way round. Now the work stops at this point. can´t download anything, can`t upload either. And the permanently trying program harms my nettraffic. |
Dr. C.E.T.I. Send message Joined: 29 Feb 00 Posts: 16019 Credit: 794,685 RAC: 0 |
Thanks for thE updatE Matt . . . darnEd spidErz eh . . . 06:36 AM EST(US) fix_missing_results kryten Disabled |
Luka Prijic Send message Joined: 12 Sep 04 Posts: 7 Credit: 938,335 RAC: 0 |
kryten is disabled, probably maintenance, and the stuff disabled it, so probably they now what they are doing (cleaning spider`s nest`s :) ) |
Wander Saito Send message Joined: 7 Jul 03 Posts: 555 Credit: 2,136,061 RAC: 0 |
With all these UL/DL problems, I'm wondering: maybe the spider corpse or its web were connecting some vital circuit in the motherboard or the memory chip. :) Kidding aside, I once saw a TV news piece showing an entire ant colony took a computer as its new home, and the machine still worked! Regards, Wander |
Arthur L. Smith Send message Joined: 17 Apr 02 Posts: 28 Credit: 244,050,922 RAC: 9 |
We are having upload problems with all of our machines this morning also!!! |
Rob.B Send message Joined: 23 Jul 99 Posts: 157 Credit: 1,439,682 RAC: 0 |
My machines are stalled also both wintel and linux, with a spread of client versions. I'm running on cashed units and that ain't massive. Look out Einstien here I come! |
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