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| aspiers | hi all | 07:57 |
|---|---|---|
| aspiers | -> #openstack-meeting | 07:57 |
| aspiers | if anyone's around | 08:01 |
| aspiers | hmm, maybe people are sticking to 9am UTC | 08:07 |
| aspiers | not 9am Europe/London | 08:07 |
| aspiers | I should change the schedule | 08:07 |
| ddeja | aspiers: I think so | 08:12 |
| masahito | I'm sticking to 9am UTC, b/c Japan don't have summertime :) | 08:37 |
| masahito | Did the meeting end? | 08:38 |
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| aspiers | masahito: it didn't start yet | 08:40 |
| ddeja | masahito: I didn't start | 08:41 |
| ddeja | heh | 08:41 |
| masahito | ok | 08:41 |
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| aspiers | anyone else here now? | 09:01 |
| ddeja | I am | 09:01 |
| aspiers | ok | 09:02 |
| aspiers | if masahito is too we could have the meeting, even if only 3 of us | 09:02 |
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| moizarif | hi, my canonical POD is up with Controller HA. just added remote nodes in the pacemaker cluster. with the command "crm configure primitive compute0-B3 ocf:pacemaker:remote op monitor interval=20" | 10:33 |
| moizarif | crm status was working earlier. but after remote node addition it throws "Segmentation fault (core dumped) | 10:33 |
| moizarif | ERROR: crm_mon exited with code 139 and said:" | 10:33 |
| moizarif | since PCS is not present in the system. i manually cloned it from github | 10:34 |
| moizarif | and when i run pcs status nodes i can see remote nodes as ONLINE | 10:35 |
| moizarif | why crm status is throwing the above errors? | 10:35 |
| moizarif | pcs status shows "Error: cluster is not currently running on this node" | 10:37 |
| ddeja | moizarif: Hi. For the last error - try 'sudo' ;) | 10:38 |
| moizarif | i am in root :( | 10:38 |
| ddeja | hm | 10:38 |
| moizarif | p.s. when i remove the remote node with pcs resource delete Compute0-B3 --force ... the crm status and pcs status start working again | 10:39 |
| ddeja | I'm not expert in crm - I always use pcs... can you try to add this node using pcs and see if this helps? | 10:40 |
| moizarif | i did that too. pcs resource create Compute0-B3 ocf:pacemaker:remote op monitor interval=20 | 10:41 |
| moizarif | same issue.. | 10:41 |
| moizarif | crm_mon throws: 6 Nodes configured | 10:43 |
| moizarif | 17 Resources configured | 10:43 |
| moizarif | but at the end says: Segmentation fault (core dumped) | 10:43 |
| ddeja | moizarif: the only thing that I have in mind right now is that you may have not share the aythenitcation key beetwen controllers and remote | 10:43 |
| moizarif | i did that too... /etc/pacemaker/authkey with all controllers and remote ndoes | 10:44 |
| moizarif | generated using: dd if=/dev/urandom of=/etc/pacemaker/authkey bs=4096 count=1 | 10:44 |
| aspiers | moizarif: why use pcs instead of crmsh? IIUC, pcs makes more sense on RH where it is heavily tested | 10:45 |
| aspiers | oh I see, you got a crash | 10:45 |
| aspiers | moizarif: please report the crash at https://github.com/ClusterLabs/crmsh/issues | 10:46 |
| aspiers | moizarif: you can expect a lot of these kinds of problems when you build the stack yourself | 10:46 |
| aspiers | moizarif: it took us months to get it right | 10:47 |
| moizarif | 1. canonical doesn't come with "pcs", also not available upstream. so the only choice is crm. but i am very used to pcs as i have used it extensively on RHOS | 10:47 |
| moizarif | 2. Okay let me report it. | 10:47 |
| moizarif | 3. months.. i gave myself 3 days :( considering it worked on RHEL rather easily and took me 5 days along with extensive debugging | 10:48 |
| haukebruno | interesting. for me it is vice versa :p worked with crmsh for years, so switching to pcs is kinda like _difficult_ | 10:50 |
| moizarif | @haukebruno: then you are my goto guy for crm :D | 10:51 |
| aspiers | haha | 10:52 |
| aspiers | well I can assure you that the crmsh developers are superb when it comes to support | 10:52 |
| aspiers | they often fix bugs I find within hours or even minutes :) | 10:52 |
| aspiers | I think #clusterlabs is the right channel | 10:53 |
| haukebruno | :p | 10:53 |
| aspiers | moizarif: if you are using the OCF agents approach, yes it would work on RHEL rather easily since that's where it was originally developed | 10:53 |
| aspiers | it's never been tested on Ubuntu before, AFAIK | 10:54 |
| aspiers | but you are very welcome to try, of course :) | 10:54 |
| aspiers | it depends on what your goals are | 10:54 |
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| moizarif | My goal here is to test VM evacuations on Canonical (just as i did with RHEL). and yes i am trying all this on canonical, lets see how well it goes | 10:58 |
| moizarif | @aspiers: https://github.com/ClusterLabs/crmsh/issues/131 | 10:59 |
| aspiers | oh wow | 10:59 |
| aspiers | your pacemaker is ANCIENT | 10:59 |
| aspiers | you can completely forget about using remotes with 1.1.10 :) | 10:59 |
| moizarif | latest upstream from canonical :( | 10:59 |
| moizarif | oh.. upgrade may be? | 11:00 |
| aspiers | you'll need 1.1.13 absolute minimum I think | 11:00 |
| aspiers | but ideally 1.1.14 | 11:00 |
| moizarif | on RHEL i had pacemaker-1.1.13-10.el7.x86_64 | 11:01 |
| haukebruno | yep 1.1.10 is the lates in trusty :/ | 11:01 |
| aspiers | that's terrible | 11:01 |
| aspiers | there must be newer packages somewhere? | 11:01 |
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| haukebruno | not in 14.04 IIRC | 11:03 |
| aspiers | I think even 1.1.13 is not enough | 11:04 |
| aspiers | or 1.1.14 | 11:04 |
| moizarif | @aspiers: my evacs worked perfectly with 1.1.13 on RHEL | 11:04 |
| aspiers | we found some critical issues which are now fixed in master and then backported them | 11:04 |
| aspiers | moizarif: yes, but your remotes would not have been stable | 11:04 |
| haukebruno | IIRC we/you need 16.04 for pacemaker 1.1.14 | 11:05 |
| aspiers | moizarif: we found they could be spontaneously fenced for no good reason | 11:05 |
| aspiers | and we fixed the issues upstream | 11:06 |
| moizarif | @aspiers: yes actually that happened to me a couple of times while i was setting up the cluster. but on my 2nd install the setup was stable. | 11:06 |
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| moizarif | oh right... thats why my 2nd install was stable.. wow.. you guys did a perfect job :) | 11:08 |
| aspiers | moizarif: well, or maybe you just got lucky :) | 11:16 |
| aspiers | moizarif: I don't even know whether RH packages include those fixes yet | 11:16 |
| aspiers | moizarif: I only know they were backported to SLE HA | 11:16 |
| moizarif | i see | 11:20 |
| moizarif | okay so, the issue i am facing is more related to Ubuntu with the obsolute pacemaker packages. and i need to ask ubuntu for support on this issue. | 11:37 |
| haukebruno | moizarif, do you have any canonical subscription? | 11:40 |
| moizarif | support subscription ? | 11:40 |
| haukebruno | yes | 11:43 |
| haukebruno | could be helpful here :P we don't have it, therefore I ask | 11:44 |
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| moizarif | @mashito: which pacemaker version are you using with your masakari deploy ? and which ubuntu release ? | 12:25 |
| moizarif | @haukebruno: unfortunately no :( | 12:25 |
| moizarif | @haukebruno: can i compile pacemaker 1.1.14 from source on my 14.04 install ? would it work? | 12:32 |
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| haukebruno | moizarif, never tried that :/ | 12:43 |
| aspiers | moizarif: do you have an estimate on when you would like to try SOC? | 12:47 |
| moizarif | hhmm i can may be give it a try and see what happens. would it be worth the effort in your opinion? | 12:49 |
| moizarif | @aspiers: its down the pipeline of my To Do's. would have to put the canonical experiment to some conclusion before i move on. | 12:50 |
| aspiers | sure | 12:51 |
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| hoonetorg | hi | 14:11 |
| hoonetorg | anybody here uses zmq instead of rabbitmq/qpid. | 14:11 |
| hoonetorg | is zmq feasible for HA, if yes how? | 14:12 |
| hoonetorg | (any link to a documentation would be nice :) ) | 14:12 |
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| dims | hoonetorg : please ping ozamiatin on #openstack-oslo | 17:04 |
| hoonetorg | dims: thx | 17:04 |
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