Re: [Pacemaker] resources not rebalancing

2014-06-11 Thread Patrick Hemmer
*From: *Andrew Beekhof and...@beekhof.net *Sent: * 2014-06-11 02:36:15 EDT *To: *The Pacemaker cluster resource manager pacemaker@oss.clusterlabs.org *Subject: *Re: [Pacemaker] resources not rebalancing On 11 Jun 2014, at 3:44 pm, Patrick Hemmer pacema...@feystorm.net wrote: Right. But each

Re: [Pacemaker] Not unmoving colocated resources can provoke DRBD split-brain

2014-06-11 Thread Robert Dahlem
Hi Andrew, On 02.06.2014 02:57, Andrew Beekhof wrote: This seems to be some kind of a race condition: I added sleep 3 to a central point in /usr/lib/ocf/resource.d/linbit/drbd. Define central? === $ diff -u drbd.orig

[Pacemaker] votequorum for 2 node cluster

2014-06-11 Thread Kostiantyn Ponomarenko
Hi guys, I am trying to deal somehow with split brain situation in 2 node cluster using votequorum. Here is a quorum section in my corosync.conf: provider: corosync_votequorum expected_votes: 2 wait_for_all: 1 last_man_standing: 1 auto_tie_breaker: 1 My question is about behavior of the

Re: [Pacemaker] votequorum for 2 node cluster

2014-06-11 Thread Vladislav Bogdanov
11.06.2014 16:26, Kostiantyn Ponomarenko wrote: Hi guys, I am trying to deal somehow with split brain situation in 2 node cluster using votequorum. Here is a quorum section in my corosync.conf: provider: corosync_votequorum expected_votes: 2 Just a side note, not an answer to your

Re: [Pacemaker] DRBD primary/primary + Pacemaker goes into split brain after crm node standby/online

2014-06-11 Thread Alexis de BRUYN
On 10.06.2014 01:44, Andrew Beekhof wrote: On 10 Jun 2014, at 4:07 am, Alexis de BRUYN alexis.mailingl...@de-bruyn.fr wrote: Hi Everybody, I have an issue with a 2-node Debian Wheezy primary/primary DRBD Pacemaker/Corosync configuration. After a 'crm node standby' then a 'crm node

Re: [Pacemaker] DRBD primary/primary + Pacemaker goes into split brain after crm node standby/online

2014-06-11 Thread Alexis de BRUYN
On 10.06.2014 05:28, Digimer wrote: On 09/06/14 07:44 PM, Andrew Beekhof wrote: On 10 Jun 2014, at 4:07 am, Alexis de BRUYN alexis.mailingl...@de-bruyn.fr wrote: Hi Everybody, I have an issue with a 2-node Debian Wheezy primary/primary DRBD Pacemaker/Corosync configuration. After a

Re: [Pacemaker] votequorum for 2 node cluster

2014-06-11 Thread Kostiantyn Ponomarenko
two_node option is my another question. I think it's not for this thread. last_man_standing: 1 auto_tie_breaker: 1 So, anyway the only node will remain working in split brain (or one node shout down) situation is that with the lowest id. And that is like roulette, in case we lose the lowest

Re: [Pacemaker] votequorum for 2 node cluster

2014-06-11 Thread Jacek Konieczny
On 06/11/14 16:35, Kostiantyn Ponomarenko wrote: And that is like roulette, in case we lose the lowest nodeid we lose all. So I can lose only the node which doesn't have the lowest nodeid? And it's not useful in 2 node cluster. Am i correct? It may be usefull. If you define roles of the

Re: [Pacemaker] votequorum for 2 node cluster

2014-06-11 Thread Andrew Beekhof
Chrissy? Can you shed some light here? On 11 Jun 2014, at 11:26 pm, Kostiantyn Ponomarenko konstantin.ponomare...@gmail.com wrote: Hi guys, I am trying to deal somehow with split brain situation in 2 node cluster using votequorum. Here is a quorum section in my corosync.conf:

Re: [Pacemaker] DRBD primary/primary + Pacemaker goes into split brain after crm node standby/online

2014-06-11 Thread Andrew Beekhof
On 12 Jun 2014, at 12:13 am, Alexis de BRUYN alexis.mailingl...@de-bruyn.fr wrote: On 10.06.2014 01:44, Andrew Beekhof wrote: On 10 Jun 2014, at 4:07 am, Alexis de BRUYN alexis.mailingl...@de-bruyn.fr wrote: Hi Everybody, I have an issue with a 2-node Debian Wheezy primary/primary

Re: [Pacemaker] resources not rebalancing

2014-06-11 Thread Andrew Beekhof
On 11 Jun 2014, at 10:59 pm, Patrick Hemmer pacema...@feystorm.net wrote: From: Andrew Beekhof and...@beekhof.net Sent: 2014-06-11 02:36:15 EDT To: The Pacemaker cluster resource manager pacemaker@oss.clusterlabs.org Subject: Re: [Pacemaker] resources not rebalancing On 11 Jun 2014, at

Re: [Pacemaker] Not unmoving colocated resources can provoke DRBD split-brain

2014-06-11 Thread Andrew Beekhof
Referring to the king of drbd... Lars, question for you inline. On 11 Jun 2014, at 11:14 pm, Robert Dahlem robert.dah...@gmx.net wrote: Hi Andrew, On 02.06.2014 02:57, Andrew Beekhof wrote: This seems to be some kind of a race condition: I added sleep 3 to a central point in