Re: [Pacemaker] Sporadic problems of rejoin after split brain situation

2012-03-27 Thread roman sidler
Andrew Beekhof writes: > I believe things are much improved with more recent releases. > Hence the recommendation of 1.4.x Yes, we switched to corosync and the problem doesn't occur again! All tests are passed now. >>But really: you need to fix your "unsteady" network, >>and probably should impl

Re: [Pacemaker] Sporadic problems of rejoin after split brain situation

2012-03-20 Thread Andrew Beekhof
On Wed, Mar 21, 2012 at 8:46 AM, Lars Ellenberg wrote: > On Sun, Mar 18, 2012 at 11:53:11PM +, Roman Sidler wrote: >> Hi all >> No, we have no crossover cable between the nodes. >> The 2 nodes are linked by a switched network, and this works really fine >> except >> the mentioned case. >> >>

Re: [Pacemaker] Sporadic problems of rejoin after split brain situation

2012-03-20 Thread Lars Ellenberg
On Sun, Mar 18, 2012 at 11:53:11PM +, Roman Sidler wrote: > Hi all > No, we have no crossover cable between the nodes. > The 2 nodes are linked by a switched network, and this works really fine > except > the mentioned case. > > It's rather easy to reproduce. > 1. Activate a 2-node cluster

Re: [Pacemaker] Sporadic problems of rejoin after split brain situation

2012-03-19 Thread Roman Sidler
Andrew Beekhof writes: > > On Mon, Mar 19, 2012 at 10:53 AM, Roman Sidler > wrote: > The CCM (part of heartbeat) is known not to be particularly awesome in > such scenarios and it appears to be the case again here: > > Mar 16 01:35:31 oan1 crmd: [7601]: info: ccm_event_detail: NEW MEMBERSHIP:

Re: [Pacemaker] Sporadic problems of rejoin after split brain situation

2012-03-18 Thread Andrew Beekhof
On Mon, Mar 19, 2012 at 10:53 AM, Roman Sidler wrote: > Hi all > No, we have no crossover cable between the nodes. > The 2 nodes are linked by a switched network, and this works really fine > except > the mentioned case. > > It's rather easy to reproduce. > 1. Activate a 2-node cluster > 2. disco

[Pacemaker] Sporadic problems of rejoin after split brain situation

2012-03-18 Thread Roman Sidler
Hi all No, we have no crossover cable between the nodes. The 2 nodes are linked by a switched network, and this works really fine except the mentioned case. It's rather easy to reproduce. 1. Activate a 2-node cluster 2. disconnect network connection (e.g by disconnect network adapter on VM) 3. w