Re: [Linux-cluster] 2-node cluster fence loop

2014-06-17 Thread YB Tan Sri Dato Sri' Adli a.k.a Dell
The clustering will only works if you run same operating systems on top of same hardware platform ppc, intel!https://overview.mail.yahoo.com?.src=iOS";>Sent from Yahoo Mail for iPhone-- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster

Re: [Linux-cluster] 2-node cluster fence loop

2014-06-12 Thread Digimer
Have you tried simple things like disabling iptables or selinux, just to test? If that doesn't work, and it's a small cluster, try unicast and see if that helps (again, even if just to test). On 12/06/14 10:29 AM, Arun G Nair wrote: We have multicast enabled on the switch. I've also tried the

Re: [Linux-cluster] 2-node cluster fence loop

2014-06-12 Thread emmanuel segura
I always used "tcpdump -ni bond1 port 5405" to check if both nodes are involved in the comunication, if isn't like that, that would say is multicast problem 2014-06-12 16:43 GMT+02:00 Kaloyan Kovachev : > Do you have a different auth key on each node by any chance? > > > On 2014-06-12 17:29, Arun

Re: [Linux-cluster] 2-node cluster fence loop

2014-06-12 Thread Kaloyan Kovachev
Do you have a different auth key on each node by any chance? On 2014-06-12 17:29, Arun G Nair wrote: We have multicast enabled on the switch. I've also tried the multicast.py tool from RH's knowledge base to test multicast and I see the expected output, though the tool uses a different multica

Re: [Linux-cluster] 2-node cluster fence loop

2014-06-12 Thread Arun G Nair
We have multicast enabled on the switch. I've also tried the multicast.py tool from RH's knowledge base to test multicast and I see the expected output, though the tool uses a different multicast IP( guess that shouldn't matter). I've tried increasing the post_join_delay to 360 seconds to give me e

Re: [Linux-cluster] 2-node cluster fence loop

2014-06-11 Thread T, Muthukumar
2014 8:19 PM To: linux-cluster@redhat.com Subject: [Linux-cluster] 2-node cluster fence loop Hello, What are the reasons for fence loops when only cman is started ? We have an RHEL 6.5 2-node cluster which goes in to a fence loop and every time we start cman on both nodes. Either one fences

Re: [Linux-cluster] 2-node cluster fence loop

2014-06-11 Thread Digimer
On 11/06/14 10:48 AM, Arun G Nair wrote: Hello, What are the reasons for fence loops when only cman is started ? We have an RHEL 6.5 2-node cluster which goes in to a fence loop and every time we start cman on both nodes. Either one fences the other. Multicast seems to be working properly. M

[Linux-cluster] 2-node cluster fence loop

2014-06-11 Thread Arun G Nair
Hello, What are the reasons for fence loops when only cman is started ? We have an RHEL 6.5 2-node cluster which goes in to a fence loop and every time we start cman on both nodes. Either one fences the other. Multicast seems to be working properly. My understanding is that without rgmanager ru