Drive (Aug 11 2011)

Message boards : Technical News : Drive (Aug 11 2011)

Author	Message
PhonAcq Send message Joined: 14 Apr 01 Posts: 1625 Credit: 23,206,636 RAC: 7,628	Message 1144305 - Posted: 23 Aug 2011, 14:48:57 UTC
	A little off topic, but not really: Matt seems like a great guy but he isn't the sole technologist on the seti project (ok, maybe he is the soul one, given his musical talents). Is there no one else willing to keep the message boards up to date with more or less current information about the project? Doing so keeps the project alive and meaningful to the volunteers. I fear that we will go through a drought of information soon with Matt away, and changes when he returns.
	ID: 1144305 ·

Chris S Volunteer tester Send message Joined: 19 Nov 00 Posts: 34046 Credit: 15,817,836 RAC: 12,336	Message 1144322 - Posted: 23 Aug 2011, 15:14:17 UTC
	Matt has always been quite honest and open and said that he only made the posts that he did, because there was no-one else willing or able to do them. He also did them with a quite clever title each time, and in his own inimitable style. He was able to write up the info that he did, because of the first hand knowlege that he had from his day to day Seti activities. The other guys in the Seti team are engaged on other matters, and wouldn't necessarily have the technical details that Matt had. I don't know if Matts job is being covered by a replacement whilst he is away, or whether it will be down to the other guys to all share a portion of the extra load. But it does look likely that we won't be seeing such an insight into the techy details until his return. In the meantime, if there are major project issues that need to be disseminated to us, I'm sure that Eric and others will make sure that we know.
	ID: 1144322 ·

Eric Korpela Volunteer moderator Project administrator Project developer Project scientist Send message Joined: 3 Apr 99 Posts: 1134 Credit: 11,760,273 RAC: 9,421	Message 1144336 - Posted: 23 Aug 2011, 15:29:52 UTC - in response to Message 1144322.
	I will try to post to tech news at least once a week when Matt's gone. I'm a little farther from the actual tech, so my posts may be less accurate, or possibly even wrong at times. ____________
	ID: 1144336 ·

arkayn Volunteer tester Send message Joined: 14 May 99 Posts: 3787 Credit: 48,777,915 RAC: 1,076	Message 1144351 - Posted: 23 Aug 2011, 15:46:46 UTC - in response to Message 1144337.
	Eric has said he will try to keep a bit of news posted in Matt's absence. But he is really stretched thin too, so it might be a little random. Got beaten by 1 second Mark. ____________
	ID: 1144351 ·

Jeff DeWitt Send message Joined: 25 May 99 Posts: 4 Credit: 551,279 RAC: 499	Message 1144393 - Posted: 24 Aug 2011, 0:30:48 UTC
	I'm not nearly as intense at this as some of you folks and don't check in here often but I've been in for a long time. Lately I've seen no work going on and was wondering what was going on (if the problem was on my end or SETI's.) Lot of good info here, much of it is WAY over my head but that's OK. Thanks for the posts, now I know whats going on, and to the team behind this thank you so much for your hard work, this is an awesome project. ____________
	ID: 1144393 ·

Jeff DeWitt Send message Joined: 25 May 99 Posts: 4 Credit: 551,279 RAC: 499	Message 1144394 - Posted: 24 Aug 2011, 0:51:23 UTC
	After reading through a bunch of posts it's apparent that this project has a big problem with servers. I had a thought... it's probably been discussed but just in case... With all the computing power out here available to this project would it be at all possible for some (a lot of?) the SERVER load to be distributed like the processing load is? I'm guessing it would take a major rewrite of some code but it might be worth it. ____________
	ID: 1144394 ·

Steve MacKenzie Volunteer tester Send message Joined: 2 Jan 00 Posts: 142 Credit: 3,951,969 RAC: 2,070	Message 1144399 - Posted: 24 Aug 2011, 1:02:01 UTC
	Yeah. I guess its time to packit in for a while with SETI. Been doing it for what? 10/11 years now? I'll crunch something else for a while. Or maybe nothing at all. I feel like I'm watching an old friend die and there's nothing I can do or say to change it. Matt, You have been awesome ! Good luck on your musical tour. You earned it ! Eric. I hope your friendly raccoons are doing well. And that saint of a bride of yours is letting you catch some Nascar from time to time. Bye all. S ____________
	ID: 1144399 ·

OzzFan Volunteer tester Send message Joined: 9 Apr 02 Posts: 13952 Credit: 33,063,159 RAC: 15,260	Message 1144408 - Posted: 24 Aug 2011, 2:25:10 UTC - in response to Message 1144394.
	With all the computing power out here available to this project would it be at all possible for some (a lot of?) the SERVER load to be distributed like the processing load is? I'm guessing it would take a major rewrite of some code but it might be worth it. It has been thought of before, and based upon my understanding, this isn't an over-stressed CPU problem that can be divided up among participants. It seems to largely be an I/O problem with the upload/download bandwidth. They are also dealing with an extremely large database that requires gobs of RAM to run smoothly, which must remain local on the server. The guys in the lab have played around with swapping the RAM from other servers to see if it makes a difference, and options are being looked into to better utilize the available bandwidth, but solutions are very slow coming for various reasons.
	ID: 1144408 ·

Jason Safoutin Volunteer tester Send message Joined: 8 Sep 05 Posts: 1386 Credit: 200,389 RAC: 0	Message 1144424 - Posted: 24 Aug 2011, 3:58:33 UTC - in response to Message 1144399.
	Yeah. I guess its time to packit in for a while with SETI. Been doing it for what? 10/11 years now? I'll crunch something else for a while. Or maybe nothing at all. I feel like I'm watching an old friend die and there's nothing I can do or say to change it. Matt, You have been awesome ! Good luck on your musical tour. You earned it ! Eric. I hope your friendly raccoons are doing well. And that saint of a bride of yours is letting you catch some Nascar from time to time. Bye all. S To change it would mean someone donating a good some of $ or hardware to SETI@home. If I had the means I would. It's a great project with the potential to discover what is probably the most exciting thing in mankind: to discover we are not alone. Humans can't listen to all of the sky all of the time. SETI@home is probably one of, if not the only project, that listens to the skies just about 24/7. If we miss even one second, that second could mean listening to or missing the message we have all been waiting for. ____________ "By faith we understand that the universe was formed at God's command, so that what is seen was not made out of what was visible". Hebrews 11.3
	ID: 1144424 ·

Tas Send message Joined: 12 Aug 11 Posts: 1 Credit: 882,081 RAC: 0	Message 1144513 - Posted: 24 Aug 2011, 10:15:40 UTC
	The Fearless Alien Hunters (and our computers) will be here waiting for more work when things are sorted :)
	ID: 1144513 ·

HAL9000 Volunteer tester Send message Joined: 11 Sep 99 Posts: 4834 Credit: 130,039,156 RAC: 34,462	Message 1144550 - Posted: 24 Aug 2011, 13:33:00 UTC - in response to Message 1144336.
	I will try to post to tech news at least once a week when Matt's gone. I'm a little farther from the actual tech, so my posts may be less accurate, or possibly even wrong at times. I am sure your efforts will be appreciated by everyone. Was someone playing with one of the routers recently by chance? It seems that my computers at work haven't been able to contact anything since about 2011-08-22 21:30 UTC. From what a few others have said it looks similar to when the first corrupt routing table was fixed in the PAIX router. ____________ SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the BP6/VP6 User Group today!
	ID: 1144550 ·

Gary Charpentier Volunteer tester Send message Joined: 25 Dec 00 Posts: 13707 Credit: 9,115,149 RAC: 14,105	Message 1144556 - Posted: 24 Aug 2011, 13:58:07 UTC - in response to Message 1144336.
	I will try to post to tech news at least once a week when Matt's gone. I'm a little farther from the actual tech, so my posts may be less accurate, or possibly even wrong at times. Then dazzle us with tales of sub nano-second pulsars or interacting hydrogen clouds. Thanks. ____________
	ID: 1144556 ·

hobo Send message Joined: 1 Sep 05 Posts: 11 Credit: 716,673 RAC: 0	Message 1144571 - Posted: 24 Aug 2011, 14:42:52 UTC
	Question about the troublesome router (the one facing HE) - what make/model is it? What would be the equivalent Cisco router model? ____________
	ID: 1144571 ·

Fred J. Verster Volunteer tester Send message Joined: 21 Apr 04 Posts: 3252 Credit: 31,903,643 RAC: 20	Message 1144744 - Posted: 24 Aug 2011, 23:24:18 UTC - in response to Message 1144571. Last modified: 24 Aug 2011, 23:30:33 UTC
	We're looking into (c) at the moment, and solving (a) may be far too painful (we don't have easy access to this router, which is a donated box mounted in donated rack space 30 miles away). So I've been arguing that we need to deal with (b) first, i.e. reduce our rate of traffic. Matt. Wasn't that the router, 30 miles further, in a 'SERVER-Closet'? Isn't the problemematic router on the Campus. Anotherthing, SETI@home has a crazy high bandwith use, 24 hours a day, 365 days a year. ____________
	ID: 1144744 ·

Ed_Anderson Send message Joined: 20 Jan 02 Posts: 33 Credit: 728,051 RAC: 376	Message 1144757 - Posted: 24 Aug 2011, 23:53:20 UTC
	I see some people saying they are leaving the program. Why? I run two programs. Seti and Rosetta. Typically at least one of them is up. when they are both working, Seti gets about 60% of my resources. But with Seti down, Rosetta is getting 100%. Nothing I have to do to make it work. Just keep on crunching. Seti will come back,
	ID: 1144757 ·

Zapped Sparky Volunteer moderator Volunteer tester Send message Joined: 30 Aug 08 Posts: 11841 Credit: 1,393,020 RAC: 390	Message 1144819 - Posted: 25 Aug 2011, 3:55:45 UTC
	Thanks for the news Matt. For the tour all I can say is, Rock 'n Roll!!! Woo!!! :)
	ID: 1144819 ·

hobo Send message Joined: 1 Sep 05 Posts: 11 Credit: 716,673 RAC: 0	Message 1144843 - Posted: 25 Aug 2011, 5:33:11 UTC - in response to Message 1144336.
	Matt mentioned a "problem" router, down at the PAIX. Does anyone know the details of this router: what company made it, what model it is, what interfaces and how much memory it has? Without information there is no way to know what might be a possible replacement for it. If it is a Cisco router then all of this info can be shown remotely with a "show version" command, for models that are based on the Cisco IOS. Of course, right now the most critical thing is to start generating work again. So the router is secondary. But if the router info is available I hope someone will post it. ____________
	ID: 1144843 ·

mjdb Send message Joined: 5 Jul 00 Posts: 11 Credit: 9,106,057 RAC: 5,045	Message 1144913 - Posted: 25 Aug 2011, 10:22:20 UTC - in response to Message 1144843.
	... Of course, right now the most critical thing is to start generating work again. So the router is secondary. But if the router info is available I hope someone will post it. It would also be nice to be able to upload completed workunits before their expiry date. I am among the seeming subset of users who haven't been able to sucessfully connect to upload for some days. Martin. ____________
	ID: 1144913 ·

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Message boards : Technical News : Drive (Aug 11 2011)