News on Project Outages

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finnenummer

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Joined: 28 Sep 14
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Norway
Message 56303 - Posted: 28 Sep 2014, 15:05:45 UTC

The problem with PrimeGrid is its large user mass. There are a lot of user accounts associated with this project, since there are users from all around the world.

Definitely the people doing the server work is carrying out an excellent job and the way new tasks are being created and available most of the time is quite admirable.

The data files themselves are rather small, but if many different tasks are available, you may be dealing with very many small files containing everything between a crash landing and a valuable result.

Which means that everything except an automatic scheduled backup and a broken hard disc becomes a nuisance and not something you exactly love to be dealing with all the time.

Hopefully this project will be back on-line as soon as possible.
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Dr Who Fan
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Message 56304 - Posted: 28 Sep 2014, 15:11:18 UTC

Below is the latest information from the Prime Grid Official Chat page:
Mike: Since we're down anyway, we're taking the opportunity to build newer generation servers with newer versions of linux and mysql, as well as upgrading the hardware. 7:42
Mike: It's only a matter of "when" we come back up, not "if". We may be up sometime today (Sunday). If not, Tuesday is likely. 7:43
Mike: Correction: MONDAY is likely. smile
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Michael Goetz

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Message 56306 - Posted: 28 Sep 2014, 17:29:46 UTC

Update on PrimeGrid: We decided to take this opportunity to upgrade the main BOINC db and web server to newer hardware with SSDs instead of spinning magnetic museum pieces. We're also increasing the memory on the slave DB server. When we're done, all of the production hardware (including PRPNet) will be SSD. We're also upgrading the software, with newer versions of Linux, MySQL, etc. "Make lemonade out of lemons", so to speak.

If we were going to spend the time rebuilding one server, we might as well do all the upgrades we'd been thinking of doing "when we get around to it". (That's the nice thing about using cloud hosting: upgrading hardware takes a few clicks and a few minutes rather than weeks.)

Right now, we've got most of the software loaded and configured, but that last 10% always takes the most time. All the data is in place. Then we have to test everything and fix all the things we've inevitably forgotten.

Nothing, by the way, was lost. We're pretty good about backups and disaster recovery and stuff like that. Anything short of Armageddon we can handle. There may be some downtime while we rebuild servers, but the data is protected. We can survive losing a few data centers to nuclear bombs, as long as we don't lose ALL of them. :)
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finnenummer

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Message 56308 - Posted: 28 Sep 2014, 19:05:23 UTC
Last modified: 28 Sep 2014, 19:18:04 UTC

Thanks for the update, Michael.

Anyway, for now I replaced PrimeGrid with NFS@home instead, since it both gives me new tasks (I am using Boinc Manager 7.2.28(x64)) and the project is also mentioned here under http://boinc.berkeley.edu/projects.php as being active.

Trying to learn a little more about these things (for now I do not know or see the numbers that I am crunching, therefore will need to go to my files later on in order to find out more).

I have been able to locate the web-pages for the Cunningham project which is http://homes.cerias.purdue.edu/~ssw/cun/index.html, as well as the web-page for the ECMET project (http://www.loria.fr/~zimmerma/ecmnet), but for now I have to switch between these two pages if one thing is being mentioned in one place, but perhaps not the other.

But in the end this is all about factoring.

When a number thought of as being composite is having two or more similar numbers when it comes to its size, it becomes harder to factorize. The larger the number itself, the more difficult the factorization becomes as well. The resulting factors which are prime numbers also become quite large and even when comparing with the starting number.

Also there is a text file containing some record factors which may be found at
http://maths-people.anu.edu.au/~brent/ftp/champs.txt

But when trying out the factor calculator mentioned at the bottom of web-page http://homes.cerias.purdue.edu/~ssw/cun/index.html (without using Java), it apparently does not work. With numbers 2 for base, 7 for n and -1, you should expect 127 as the result, but all I get is a new blank page in return.

Not very good....
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Michael Goetz

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Message 56315 - Posted: 29 Sep 2014, 15:23:48 UTC

PrimeGrid is back up.

Please let us know on the PrimeGrid forums or in our chatroom if there's any problem. (I know the charts on the server status page aren't working yet. Everything else should be working.)

Please note that the IP address of the server changed. Although the new DNS entry should have propagated by now, some systems and programs don't see the new address. You may need to restart boinc or your web browser, reboot your computer, or run "ipconfig /flushdns" (or the equivalent) to access the new PrimeGrid server.
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Presrvd

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Message 56318 - Posted: 29 Sep 2014, 18:48:58 UTC - in response to Message 56315.  
Last modified: 29 Sep 2014, 19:07:45 UTC

PrimeGrid is back up.

Please let us know on the PrimeGrid forums or in our chatroom if there's any problem. (I know the charts on the server status page aren't working yet. Everything else should be working.)

Please note that the IP address of the server changed. Although the new DNS entry should have propagated by now, some systems and programs don't see the new address. You may need to restart boinc or your web browser, reboot your computer, or run "ipconfig /flushdns" (or the equivalent) to access the new PrimeGrid server.


I've flushed my DNS, restarted BOINC, and restarted my machines. I'm still not connecting to anything...

Looked at the message in chrome...I'm getting a ERR_CONNECTION_REFUSED message.
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Profile Ageless
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Message 56320 - Posted: 29 Sep 2014, 20:00:02 UTC - in response to Message 56315.  

Okay, this is definitely weird. When I just load Primegrid in a tab on its own, it won't load. Even after I flushed the (Google) DNS.
Unable to connect

Pale Moon can't establish a connection to the server at www.primegrid.com
Do I now open a second tab and then reload the tab Primegrid is in, it loads.

I can't connect using Internet Explorer (11) either:
This page can’t be displayed

•Make sure the web address http://www.primegrid.com is correct.
•Look for the page with your search engine.
•Refresh the page in a few minutes.
Here loading a second tab doesn't help.
Jord
Please do not private message me for tech support. Use the forums for that. Tech PMs will be ignored.
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Presrvd

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Message 56321 - Posted: 29 Sep 2014, 20:17:58 UTC - in response to Message 56315.  

Tried side-stepping my ISP by utilizing my cellular, and I get this message:

"502: Bad Gateway - Response Error, a bad response was received from another proxy server or the destination origin server"
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Dr Who Fan
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Message 56322 - Posted: 29 Sep 2014, 21:07:15 UTC - in response to Message 56321.  

Presrvd, or anyone else still not able to access www.primegrid.com
According to their official chat page they said it could take up to 24 hours (or longer based on my previous experiences with other IP address changes) for www.primegrid.com to resolve (be available) in all DNS [Domain Name System] SERVERS WORLDWIDE.

If you do not want to wait, you can modify/edit the host file (using a PLAIN TEXT EDITOR) on your computer(s) by adding the singe line:
23.253.170.196 www.primegrid.com
saving it and restarting your computer(s). But this step is ONLY for those that KNOW WHAT THEY ARE DOING!!!
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Profile Ageless
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Message 56323 - Posted: 29 Sep 2014, 21:24:15 UTC - in response to Message 56322.  

23.253.170.196 www.primegrid.com

Good warning and all, but as I said I use the Google DNS, and could ping the site at the time of my troubles above. It would return the IP address you state here. But my browsers would refuse to go to the site. That fixed itself by now.
Jord
Please do not private message me for tech support. Use the forums for that. Tech PMs will be ignored.
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Presrvd

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Message 56324 - Posted: 29 Sep 2014, 22:41:07 UTC - in response to Message 56323.  

Sure enough, modifying the hosts file did the trick. I'll also reiterate what Ageless has said, modifying the hosts file is definitely for those who know what they're doing, so proceed with caution. Thanks!
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Michael Goetz

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Message 56325 - Posted: 30 Sep 2014, 4:10:14 UTC

Yeah, it's luck of the draw as to whether the other methods will work, but the definite way to get around waiting for the DNS change is to use the HOST file. That will always work -- but you have to remember to remove the entry in a day.
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Profile Peter
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Message 56385 - Posted: 3 Oct 2014, 1:33:59 UTC - in response to Message 56384.  

This thread is about project outages, please adhere to the subject.
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Les Bayliss

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Joined: 25 Nov 05
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Australia
Message 56437 - Posted: 5 Oct 2014, 8:03:19 UTC

It appears that QCN is now extinct.

No funding, Carl has gone, and I mentioned this on the board. A few hours later, it all disappeared. I guess that someone from the project team was reading the posts after all. :)
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Jim

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Message 56444 - Posted: 5 Oct 2014, 23:46:27 UTC - in response to Message 56437.  

As a back-up, I have re-activated QCNLive. Also, a link to USGS site for
earthquake reporting was saved. I don't know how effective or useful any
quake info., as reported by my JoyWarrier 24F8 USB sensor, will be to them.
However, as things stand, it's got to better than nothing.

Anyone else try this approach?
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Profile David Riese

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Message 56452 - Posted: 6 Oct 2014, 15:00:36 UTC

Collatz appears to be down with the following message on its website: "The project's database server is down. Please check back in a few hours"
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SuperSluether

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Message 56457 - Posted: 6 Oct 2014, 17:52:32 UTC - in response to Message 56452.  

Collatz appears to be down with the following message on its website: "The project's database server is down. Please check back in a few hours"


Collatz has been down for almost a week with this message. The Event Log says the feeder is not running. I hope Slicker has time for real life with all the problems Collatz keeps giving him.
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Profile Gary Charpentier
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Message 56458 - Posted: 6 Oct 2014, 18:13:51 UTC

the QCN website is back online
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Les Bayliss

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Message 56459 - Posted: 6 Oct 2014, 19:56:59 UTC - in response to Message 56458.  

Yes, strange.
"Continual" is back too.
Oh well.
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Richard Haselgrove
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Message 56537 - Posted: 8 Oct 2014, 16:05:38 UTC

Einstein @ Home was down for planned database maintenance today.

It's back up now, but they've changed their scheduler url. You may have to update the project several times (up to 10) before the new url is transferred, and you can report completed work or fetch new work. Else, wait several hours for BOINC to do this by itself.
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Message boards : Projects : News on Project Outages

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