Striped (Dec 22 2010)

Author	Message
Matt Lebofsky Volunteer moderator Project administrator Project developer Project scientist Send message Joined: 1 Mar 99 Posts: 1444 Credit: 957,058 RAC: 0	Message 1058854 - Posted: 22 Dec 2010, 21:25:56 UTC Everything on the oscar-raid-restripe project went along swimmingly, and I was able to take care of several steps at home last night so that we could get the whole project back online in the morning today. Funny aside #1: at the exact moment I was finally comfortable enough to issue the command that blew away the old raid device from my home terminal, the network connectivity in my house randomly disappeared. Needless to say this incited minor panic as I suddenly couldn't reach any SETI servers and thought I must have somehow locked up the whole server closet. Eventually I figured out it was a local problem, my home router rebooted itself and I was back in business. Phew. Funny aside #2: turns out when I installed the OS on oscar/carolyn I didn't bother removing the NetworkManager package, which gets installed by default for reasons beyond my power of conception. I've ranted about this before but it seems the only reason NetworkManager exists is to generate completely random, unexpected, obfuscated network problems on systems in order to give network administrators (a) something to do to kill time, and (b) ensure job security. In this case, without cause or prior consent it added funny loopback address statements in /etc/hosts which caused remote informix connections to fail. I immediately removed NetworkManager at that point and added a "exclude=NetworkManager*" line to yum.conf (which I should have done before). Anyway, right off the bat there seems to be at least some improvement with the smaller stripe size on the raid, but we're collecting i/o stats under load and have some tweaks in mind which may continue to help general performance. All told, this ended up just being a one-day outage well worth taking. Meanwhile, upon turning everything back on mysql started exhibiting some old, bad habits. I haven't seen this behavior in a long while, but sometimes when it gets hit hard enough it says, "Yo! Back off! In fact, I'm going to block all incoming queries and write to disk for 10-20 minutes. I won't tell you why, and there's nothing you can do about it." Fair enough - but if you were having trouble reaching the website an hour ago, that's the reason. That's pretty much it for this week. It's officially the Xmas holiday starting tomorrow. Whatever you choose to do, enjoy! I'll be checking in from home over the "time off," but we're hoping it's kind of a "set it and forget it" kind of weekend instead of an "oh well everything will be down until we return on Monday" kind of weekend. - 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 ID: 1058854 ·

Claggy Volunteer tester Send message Joined: 5 Jul 99 Posts: 4654 Credit: 47,537,079 RAC: 4	Message 1058857 - Posted: 22 Dec 2010, 21:32:36 UTC - in response to Message 1058854. Thanks for the update Matt, and have a Merry Christmas, Claggy ID: 1058857 ·

skildude Send message Joined: 4 Oct 00 Posts: 9541 Credit: 50,759,529 RAC: 60	Message 1058858 - Posted: 22 Dec 2010, 21:33:21 UTC - in response to Message 1058854. Sounds like you've kept busy. Heck you've earned 4 day weekend. In a rich man's house there is no place to spit but his face. Diogenes Of Sinope ID: 1058858 ·

Cliff Harding Volunteer tester Send message Joined: 18 Aug 99 Posts: 1432 Credit: 110,967,840 RAC: 67	Message 1058859 - Posted: 22 Dec 2010, 21:34:47 UTC - in response to Message 1058854. Matt, Thank for the update!! Oscar is sure proving his worth with the re-striping and re-loading of science DB. That thing sure is fasssst!!. We might have to replace all of the other servers just to keep up with him and Carolyn. Any idea of an ETA of the third server? Keep of the good work and have a very joyful Christmas!! ID: 1058859 ·

soft^spirit Send message Joined: 18 May 99 Posts: 6497 Credit: 34,134,168 RAC: 0	Message 1058860 - Posted: 22 Dec 2010, 21:35:02 UTC Aww how nice, we got early servers back for Xmas.. And we did not get you anything :( Enjoy your holiday! Janice ID: 1058860 ·

Bernie Vine Volunteer moderator Volunteer tester Send message Joined: 26 May 99 Posts: 9958 Credit: 103,452,613 RAC: 328	Message 1058875 - Posted: 22 Dec 2010, 21:58:50 UTC Merry Christmas Matt, we all do really appreciate the work you all do. Despite sometimes being a bit grumpy :-) Bernie ID: 1058875 ·

Jim_S Send message Joined: 23 Feb 00 Posts: 4705 Credit: 64,560,357 RAC: 31	Message 1058886 - Posted: 22 Dec 2010, 22:32:26 UTC - in response to Message 1058875. Merry Christmas Matt, we all do really appreciate the work you all do. Despite sometimes being a bit grumpy :-) Bernie What Bernie said!!! ;-] I Desire Peace and Justice, Jim Scott (Mod-Ret.) ID: 1058886 ·

Gary Charpentier Volunteer tester Send message Joined: 25 Dec 00 Posts: 31013 Credit: 53,134,872 RAC: 32	Message 1058887 - Posted: 22 Dec 2010, 22:32:55 UTC Merry Christmas Matt and the rest of the staff. ID: 1058887 ·

perryjay Volunteer tester Send message Joined: 20 Aug 02 Posts: 3377 Credit: 20,676,751 RAC: 0	Message 1058888 - Posted: 22 Dec 2010, 22:32:59 UTC - in response to Message 1058875. Merry Christmas Matt and all the gang there at SETI. Enjoy your holidays and here's hoping we won't have to see you before Monday. PROUD MEMBER OF Team Starfire World BOINC ID: 1058888 ·

Geek@Play Volunteer tester Send message Joined: 31 Jul 01 Posts: 2467 Credit: 86,146,931 RAC: 0	Message 1058895 - Posted: 22 Dec 2010, 22:51:50 UTC Last modified: 22 Dec 2010, 22:52:27 UTC Merry Christmas to the Entire Staff at Boinc/Seti You earned it and thanks......................from all of us! Boinc....Boinc....Boinc....Boinc.... ID: 1058895 ·

KB7RZF Volunteer tester Send message Joined: 15 Aug 99 Posts: 9549 Credit: 3,308,926 RAC: 2	Message 1058898 - Posted: 22 Dec 2010, 22:57:45 UTC Nice work Matt and folks at the lab. From my family to yours, we wish you a very Merry Christmas! ID: 1058898 ·

Dirk Sadowski Volunteer tester Send message Joined: 6 Apr 07 Posts: 7105 Credit: 147,663,825 RAC: 5	Message 1058935 - Posted: 23 Dec 2010, 0:46:25 UTC - in response to Message 1058854. Matt, thanks for the news! Merry Christmas and happy and relaxing holidays to the SETI@home crew, all members, not members and aliens out there! ID: 1058935 ·

kittyman Volunteer tester Send message Joined: 9 Jul 00 Posts: 51478 Credit: 1,018,363,574 RAC: 1,004	Message 1058939 - Posted: 23 Dec 2010, 0:57:25 UTC Last modified: 23 Dec 2010, 0:57:55 UTC Simply ROFLMAO.... Matt, I have not read such a hilarious bit in years. Excepting the part where you thought you had crashed the whole closet...LOL. Even sys admins have a good day once in a while.... You and the whole Seti staff have a great holiday. If it breaks itself while you are celebrating, it'll wait. The birth of Jesus only comes around once a year. Merry for Chirstmas...from Mark and the kitties. Meow. "Time is simply the mechanism that keeps everything from happening all at once." ID: 1058939 ·

Geek@Play Volunteer tester Send message Joined: 31 Jul 01 Posts: 2467 Credit: 86,146,931 RAC: 0	Message 1058946 - Posted: 23 Dec 2010, 1:13:36 UTC Funny aside #1: at the exact moment I was finally comfortable enough to issue the command that blew away the old raid device from my home terminal, the network connectivity in my house randomly disappeared. Needless to say this incited minor panic as I suddenly couldn't reach any SETI servers and thought I must have somehow locked up the whole server closet. Eventually I figured out it was a local problem, my home router rebooted itself and I was back in business. Phew. This is so cool! Even the best get bitten once in a while. Boinc....Boinc....Boinc....Boinc.... ID: 1058946 ·

Bill G Send message Joined: 1 Jun 01 Posts: 1282 Credit: 187,688,550 RAC: 182	Message 1058982 - Posted: 23 Dec 2010, 2:58:54 UTC - in response to Message 1058946. Thanks for the update and enjoy the holiday. SETI@home classic workunits 4,019 SETI@home classic CPU time 34,348 hours ID: 1058982 ·

seti@elrcastor.com Volunteer tester Send message Joined: 30 Jan 00 Posts: 35 Credit: 4,879,559 RAC: 0	Message 1059023 - Posted: 23 Dec 2010, 5:56:53 UTC is the beta project going to be brought back up? it's kicking up a message it's still down for maintenance. ID: 1059023 ·

B-Man Volunteer tester Send message Joined: 11 Feb 01 Posts: 253 Credit: 147,366 RAC: 0	Message 1059030 - Posted: 23 Dec 2010, 7:02:17 UTC I'll second the question about the Beta project. Any plans to bring it back online. 2nd Hope the staff has a wonderful christmas holiday. May it all run smoothly over the weekend with no staff intervention needed. ID: 1059030 ·

Mike Volunteer tester Send message Joined: 17 Feb 01 Posts: 34380 Credit: 79,922,639 RAC: 80	Message 1059034 - Posted: 23 Dec 2010, 7:45:32 UTC Merry Christmas Matt, Jeff and all others at the lab. With each crime and every kindness we birth our future. ID: 1059034 ·

tbret Volunteer tester Send message Joined: 28 May 99 Posts: 3380 Credit: 296,162,071 RAC: 40	Message 1059056 - Posted: 23 Dec 2010, 9:26:54 UTC - in response to Message 1058854. Rest ye merry, gentlemen. ID: 1059056 ·

Helli_retiered Volunteer tester Send message Joined: 15 Dec 99 Posts: 707 Credit: 108,785,585 RAC: 0	Message 1059075 - Posted: 23 Dec 2010, 10:48:25 UTC - in response to Message 1058854. ... That's pretty much it for this week. It's officially the Xmas holiday starting tomorrow. Whatever you choose to do, enjoy! I'll be checking in from home over the "time off," but we're hoping it's kind of a "set it and forget it" kind of weekend instead of an "oh well everything will be down until we return on Monday" kind of weekend. - Matt LOL We all hope the second part become not true. :D However - Merry Christmas to you, your Family and the whole Staff! Helli A loooong time ago: First Credits after SETI@home Restart ID: 1059075 ·

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