Server Relocation


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Profile Matt Lebofsky
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Message 1348891 - Posted: 20 Mar 2013, 21:56:25 UTC

We are moving most of our servers to a colocation facility with better cooling, power, and network, which should improve uptime in general. This procedure will start on Monday, April 1st at 08:00 (PDT) and should take 3 days to complete, during which our entire project will be unavailable.
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Message 1348894 - Posted: 20 Mar 2013, 22:11:16 UTC - in response to Message 1348891.

Thanks for the update Matt, Good Luck.

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Message 1348896 - Posted: 20 Mar 2013, 22:16:46 UTC - in response to Message 1348891.

Monday, April 1st

I hope that's a more auspicious day than it sounds :P

Best of luck, and thanks for the heads-up.

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Message 1348901 - Posted: 20 Mar 2013, 22:48:15 UTC

Great news! I hope all goes well with the planning and execution.
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Message 1348912 - Posted: 20 Mar 2013, 23:49:47 UTC - in response to Message 1348891.

Hi Matt,

I understand that the BOINC server is going to be moved out of the SSL to some place down the hill as well. Is that happening around the same time?
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Message 1348931 - Posted: 21 Mar 2013, 0:59:07 UTC

Down the hill and rise the limit, that´s a good ideia.

Good luck!
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Message 1348962 - Posted: 21 Mar 2013, 4:31:54 UTC

Glad to hear the server move is going ahead.
Look to catch them on the other side.

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Message 1349022 - Posted: 21 Mar 2013, 8:22:16 UTC

Good luck with the move! Will you or others have physical access over weekends to kick kit if it becomes necessary like you have now? Oh and BTW, don't forget to take loads of pictures for posterity :-)

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Message 1349027 - Posted: 21 Mar 2013, 8:57:43 UTC
Last modified: 21 Mar 2013, 8:57:54 UTC

I hope it's not a April Fish....
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Message 1349034 - Posted: 21 Mar 2013, 9:50:15 UTC

Sounds great! Hope it's someplace convenient for you guys.

Better network too?

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Message 1349056 - Posted: 21 Mar 2013, 12:31:06 UTC - in response to Message 1348891.

Thanks for the update Matt.
Good news this relocation :)
Good luck to all the roster for the move !
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Message 1349063 - Posted: 21 Mar 2013, 13:04:38 UTC - in response to Message 1349022.

Will you or others have physical access over weekends to kick kit if it becomes necessary like you have now?

As Matt said when he brought up this possible move a while ago, one major advantage of it is that it will be among other servers in a place where someone is always on duty to kick them right away. Not necessarily one of the Seti project staff, but someone who knows what he's doing with computers of this kind.

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Message 1349101 - Posted: 21 Mar 2013, 15:39:31 UTC

Thanks for the news, Matt.

Hope all goes as planned and moving day does not bring too many surprises.
Might have to print out rebooting order instructions and such for the colo staff, eh?

Will we still have a trusty Cricket graph to monitor traffic from the new location? Or will it be buried in with the other traffic?

I better make sure my furnace is still ready to rock, 3 days without Seti and this spring has not been very warm so far this year...LOL. Must keep the kitties warm.
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Message 1349109 - Posted: 21 Mar 2013, 16:09:24 UTC - in response to Message 1349101.

Thanks for the news, Matt.

Hope all goes as planned and moving day does not bring too many surprises.
Might have to print out rebooting order instructions and such for the colo staff, eh?

Will we still have a trusty Cricket graph to monitor traffic from the new location? Or will it be buried in with the other traffic?

I better make sure my furnace is still ready to rock, 3 days without Seti and this spring has not been very warm so far this year...LOL. Must keep the kitties warm.

Let Einstein have a burst. Just put it on NNT after one work request.

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Message 1349111 - Posted: 21 Mar 2013, 16:11:56 UTC

And on a related note, will the servers be able to keep their old IP addresses in the new facility?

I know we should be using DNS and it should all 'just work' - but human beings have a habit of fiddling with things, and then forgetting to 'un-fiddle' with them again. We recently had a couple of cases of people trying (and failing) to download work from .18, six months after you retired it - the legacy of some long-forgotten episode when whichever elderly server had .13 at the time was throwing a hissy fit.

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Message 1349125 - Posted: 21 Mar 2013, 16:59:36 UTC - in response to Message 1349109.
Last modified: 21 Mar 2013, 17:00:18 UTC

Let Einstein have a burst. Just put it on NNT after one work request.


I just set it to a resource share of zero. Then it only grabs work units when SAH doesn't have anything to do for either CPU or GPU. Sometimes E@H is a little too generous on the CPU side but the GPU side units will only download one at a time like this, and never if SAH has one ready.
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Message 1349148 - Posted: 21 Mar 2013, 18:03:11 UTC

Great news!
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Message 1349218 - Posted: 21 Mar 2013, 20:13:06 UTC

Will this move improve system responsiveness? No endless download attempts for AP and standard 6.03 WU's anymore?
I understood that the overall bandwidth avail is OK, however, the servers sending out the WU's are overwhelmed constantly.

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Message 1349219 - Posted: 21 Mar 2013, 20:18:26 UTC - in response to Message 1349218.

Will this move improve system responsiveness? No endless download attempts for AP and standard 6.03 WU's anymore?
I understood that the overall bandwidth avail is OK, however, the servers sending out the WU's are overwhelmed constantly.

GS
Germany

If I remember correctly the original announcement about the possibility of making this move, it would allow for more bandwidth for downloads (I could be wrong). The problem is partly bandwidth, partly the servers.

Also, you should go to the Number Crunching forum and read the TCP fix thread. It will help with your downloads.

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Message 1349224 - Posted: 21 Mar 2013, 20:31:25 UTC - in response to Message 1349219.

If I remember correctly the original announcement about the possibility of making this move, it would allow for more bandwidth for downloads (I could be wrong).


I hope so... there ends up being even more traffic if there isn't enough bandwidth due to all the retries (ie uploads don't resume.) That would be a great improvement and well worth the outage.
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