Monday, 2015-07-06

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jodaroso ...21:03
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jodaroi'm warming up both my XML goggles and my "ask one of our network guys and wait three weeks for an answer" machines21:04
jodarobut before i do21:04
jodarois there a way to explicitly tell wildfly which hosts should be part of your cluster?21:04
jodaroi had three dedicated hosts21:04
jodaroand all was well21:04
jodaroi got three more21:04
jodaroand now it doesn't seem like they know about each other when it comes to my wf cluster21:05
tcrawleyjodaro: are they running the same version of WF? is this an environment where multicast is available?21:05
jodaroyes and yes21:06
tcrawleyhmm21:07
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jodaromust be some wacky interface configs or something21:08
jodaro1,2, and 3 seem to play together nicely21:08
jodaro4 and 5 are friends21:09
tcrawleyand number 6 is all on its own?21:09
jodaroand 6 seems to be the loaner host that no one likes but ends up either making a billion dollars at 17 or21:09
jodaro... well, you get the idea21:10
tcrawleyheh21:10
tcrawleyI was reading this: https://docs.jboss.org/author/display/WFLY8/WildFly+8+Cluster+Howto#WildFly8ClusterHowto-ClusterConfiguration, but don't bother, it's fairly worthless21:10
jodaroanyway, yeah, wondering if there is any kind of explicit IP based "these are the cluster machines and you listen to me or else" config21:10
jbossbotTitle: WildFly 8 Cluster Howto - WildFly 8 - Project Documentation Editor21:10
jodaroyeah, i was reading that too and found it worthless at best21:10
jodaroits all jgroups on the back end, is that right?21:11
tcrawleyyes, I believe everything uses jgroups now21:11
tcrawleyhornetq used to do it's own thing pre-wildfly21:12
tcrawleywhat version of WF is this?21:12
jodaro8.0.221:12
jodaroer21:12
jodaro8.2.021:13
tcrawleyugh, that's kinda old :)21:13
tcrawleythat's better :)21:13
jodaroheh21:13
jodaroi knew there was a 221:13
jodaroand an 021:13
jodaroand some dots and an 8 and stuff21:13
tcrawleyheh21:13
tcrawleyare they all being started the same way? using standalone-ha.xml or standalone-full-ha.xml?21:14
jodarofortunately running on the 3 only has been fine and is totally an option for now21:14
jodarofull-ha, yeah21:14
jcrossley3jodaro: this is ootb config? it's possible to configure each server to only know of specific others, i.e. no discovery.21:15
jodaroyeah, no changes to the config at all21:16
jodaroif i could hardcode them that would be fine, its only 6 hosts21:16
jcrossley3well, that says there's something different about the new hosts' network config, right?21:16
jodaroyeah, most likely21:16
jcrossley3were they provisioned using chef or some such?21:17
jcrossley3or more ad hoc?21:17
jodaroi belive our guys use puppet ... but honestly this place is big and no one seems to do something the same way from month to month21:17
jcrossley3jodaro: this is probably still relevant: http://torquebox.org/documentation/3.0.0/production-setup.html#clustering-without-multicast21:19
jbossbotTitle: Chapter 21. TorqueBox Production Tips21:19
jcrossley3specifically, the tcpping initial_hosts property21:19
jcrossley3that may just get you working21:19
jodaroaha21:20
jodaroyeah, that looks promising21:20
jcrossley3the trick may be the socket-bindings, which probably aren't relevant for 8.2. tcrawley ?21:20
tcrawleywhat do you mean by "trick"?21:21
jcrossley3or maybe they are relevant?21:22
jcrossley3still?21:22
jcrossley3i'm confused by the port upgrading stuff21:22
jcrossley3but the 8.2 config i'm looking at seems similar21:23
tcrawleyI think you can leave that part alone in the default 8.2 config: https://gist.github.com/0c9a7b5cc914f9be662721:23
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tcrawleyI think you can just add the TCPPING protocol block and change the default-stack to tcp21:24
jcrossley3yeah21:24
jodaroi'm gonna give it a shot21:26
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jcrossley3jodaro: if that still doesn't work then something may be blocking 7600 somewhere21:26
tcrawleyjodaro: if you try TCPPING, but end up with the same cluster groupings (1-3, 4-5, 6), then I would look at the network config between the machines21:26
jodarowill advise21:26
jodaroyeah, it could very likely be something config wise, its just such a pain to get that kind of thing taken care of round these parts21:26
jodarofigured i'd try it on my end first21:27
jodaroplus things tend to change without warning21:27
jcrossley3they're not really setting you up for success, are they?21:27
jodaronot especially, no21:27
jodarobut thats kind of what i get for wanting to use different tools21:28
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jodaroor as i like to think "do things the right way"21:28
jodaroheh21:28
jcrossley3jodaro: fight the power!21:28
jodarook21:35
jodaroconfigured21:35
jodaroone guy works fine21:35
jodarolets see what happens21:35
* jcrossley3 slides to the edge of his seat21:36
jodaroheh21:36
jodaroi'm leaving 1 out for now because of unrelated issues21:37
jodaro2 and 3 seem ok21:37
jodarobringing up 4 now21:37
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jodarowoops, missed the part about "replacing MPING"21:50
jodarocommented that out, trying again21:50
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jodarohot dog21:56
jodarothat mighta worked21:56
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jodarolooks like order is important as well21:57
jodaroi added the new TCPPING to the end initially and got scolded by wildfly and nothing started21:57
jodarobut moving it to the top (yeah, just like in the docs) cleared that up21:58
jodaromy thinger runs on 10 minute chunks of files so lets see what happens at 3:00pm my time21:58
jodaroi'm guessing exposing that config in immutant land would be a total nightmare ...21:59
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jcrossley3jodaro: what do you mean?22:13
jcrossley3oh, you mean through clojure->java interop? yeah, screw that. :)22:14
jodarohahah yeah22:16
jodaroi was looking around for something similar22:16
jodarobut yeah, at some point you just have to accept that there is a shitload of xml back there and someone's gonna have to touch it eventually22:16
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