Perl 6 - the future is here, just unevenly distributed

IRC log for #fuel, 2016-04-05

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05:31 surinder My Openstack setup is done via Mirantis Version 6.1 on Juno on Centos 6.5.
05:31 surinder We are associating multiple public ip's to the instance, while assigning the secondary primary goes to inaccessible.On the same way if we assign third public ip to the same instance then secondary goes to inaccessible.
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13:11 anddrew21 Hello. I'm using fuel 8.0, 3 controllers. After i've tried to make a snapshot on an instance, mysql went down.
13:12 anddrew21 in 'crm status' it shows started on one controller and stopped on the other two, and if i run "mysql" on the node where is started it gives me the following error: ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
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13:13 anddrew21 I've tried with 'crm resource cleanup p_mysql', 'crm reosurce restart p_mysql', but nothing worked
13:13 anddrew21 Any ideas?
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15:46 reddy how to enable domains and keystone V3 in fuel8.0 . Can someone help me in that.
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16:09 anddrew21 big problem with mysql..if anybody can help me..:(
16:10 mwhahaha reddy: i don't think we have the option to completely switch to v3 since i think there are some services that still don't support it
16:10 mwhahaha reddy: I thought v3 was configured but not used
16:10 mwhahaha anddrew21: what's up?
16:10 reddy mwhahaha : Thank you ..
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16:11 anddrew21 mwhahaha: i'm using fuel 8.0, with 3 controllers...After i've tried to make a snopsho of an instance, mysql crushed
16:12 anddrew21 mwhahaha: i've tried 'crm resource cleanup', crm resource restart...but no luck
16:13 anddrew21 i've even restarted the controllers, and mysql is started only on one controller, in crm resource show
16:13 anddrew21 but if i try to enter mysql on that controller, i get the following error: ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
16:16 mwhahaha Whats is in the mysql error logs
16:17 mwhahaha You might be connecting to the VIP so check the /root/.my.cnf file and comment out the VIP address if it's listed
16:18 anddrew21 mwhahaha: this is the last line on the controller that appear as Started : 160405 11:18:39 mysqld_safe mysqld from pid file /var/run/resource-agents/mysql-wss/mysql-wss.pid ended
16:19 anddrew21 the odd thing is that i see no mysql process on that controller
16:19 anddrew21 and i can see mysql processes on the other two that are Stopped in 'crm resource show'
16:21 mwhahaha so it stopped itself, if you can provide some more lines of the error logs via paste.openstack.org
16:24 anddrew21 mwhahaha: http://paste.openstack.org/show/493026/  from the Started state controller
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16:27 mwhahaha so it looks like it tries to join the cluster and then gives up and ends itself
16:27 mwhahaha holser_: any thoughts -^
16:27 anddrew21 mwhahaha: root@node-8:~# crm resource show p_mysql resource p_mysql is running on: node-8.domain.tld root@node-8:~# ps aux | grep mys root     15021  0.0  0.0  10436   668 pts/3    S+   16:27   0:00 grep --color=auto mys
16:29 anddrew21 mwhahaha: i'm not seeing  /usr/lib/ocf/resource.d/fuel/mysql-wss start on that node.
16:30 mwhahaha hmm i wonder if it's getting started by upstart on accident
16:31 anddrew21 Even if i do a cleanup, corosync will see mysql as started by default...without running any script
16:31 anddrew21 previously to that, i've run crm_resource -r p_mysql --force-start on that node.
16:32 anddrew21 Maybe because of that?
16:32 mwhahaha not sure
16:34 mwhahaha are any of the nodes up?
16:35 anddrew21 mwhahaha: http://paste.openstack.org/show/493032/
16:35 anddrew21 mwhahaha: yes, all nodes are up...all other resources are running without problem on the other nodes.
16:36 mwhahaha ok
16:36 mwhahaha so it's up on 9/10 but pacemaker thinks it's running on 8
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16:37 anddrew21 mwhahaha: it seems so.... but i can't access mysql on 9/10 either
16:37 anddrew21 mwhahaha: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)
16:38 mwhahaha awesome
16:38 mwhahaha what does the log look like from 9
16:40 anddrew21 mwhahaha: http://paste.openstack.org/show/493033/ but date is 16:39:31 , so..no recent errors
16:40 mwhahaha so they are hung in shutdown
16:41 mwhahaha so they aren't really up
16:41 mwhahaha so that would kinda explain why it won't start on 8
16:41 mwhahaha you didn't run out of disk space or something like that right?
16:43 anddrew21 mwhahaha: no, disk space is ok.. but it's strange..i did a cleanup 30 minutes ago. Shouldn't mysql try to start ?
16:43 mwhahaha well it'll fail if it's still 'up'
16:43 mwhahaha looks like the process is still going
16:44 anddrew21 mwhahaha: what's the procedure in this case?
16:44 mwhahaha that's a good question
16:48 mwhahaha if it was me, i'd stop everything, grab a copy of the data to backup all of the DBs and try to restart it
16:49 mwhahaha it's supposed to join itself together if you shut the whole thing down and started it back up but you seem to have run into an interesting issue
16:50 anddrew21 mwhahaha: this is what is see in mysql.log http://paste.openstack.org/show/493038/
16:51 mwhahaha interesting
16:51 anddrew21 mwhahaha:  and this from node 9 http://paste.openstack.org/show/493039/
16:51 mwhahaha yea you should stop everything, grab a backup of the data and then try to start each node one at a time
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17:15 anddrew21 mwhahaha: so...i've restarted the primary-cotroller. After that, mysql started on both remaining controllers, and everything seems all right now. :D
17:15 mwhahaha yay? :D
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17:43 krypto hi with nova-conductor do we still need to specify mysql username,password and ip address in nova.conf on compute node?
17:46 mwhahaha no
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17:48 krypto in nova.conf of compute deployed by fuel 6.1 i still see entry with mysql ip username and password... in "connection=" variable
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17:50 mwhahaha krypto: looks like in the code we removed it in 7
17:51 mwhahaha i want to say you could probably remove it by hand, but you'd probably want to test it first
17:52 krypto thanks mwhahaha i will test it
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17:53 mwhahaha hmm we stilled passed it in 7.0, the name just changed
17:54 mwhahaha i know in 9 it's no longer in there so at some point we stopped specifying it
17:55 mwhahaha ah there it is
17:56 mwhahaha when we updated the upstream nova module in 7, it stopped putting it into the config by default
17:56 mwhahaha where as previously it always put it in place.
17:56 mwhahaha so yea i think you can remove it for the compute nodes as they should use rabbit
17:57 mwhahaha https://github.com/openstack/fuel-library/blob/stable/6.1/deployment/puppet/nova/manifests/init.pp#L443-L462 isn't in 7.0
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