Re: [Pacemaker] Help understanding why a failover occurred.

2010-10-18 Thread Pavlos Parissis
On 18 October 2010 04:03, Tim Serong tser...@novell.com wrote: On 10/16/2010 at 09:45 AM, Jai away...@gmail.com wrote: I have setup a DRBD-Xen failover cluster. Last night at around 02:50 it failed the resources from server bravo to alpha. I'm trying to find out what caused the failover

Re: [Pacemaker] Help understanding why a failover occurred.

2010-10-18 Thread Pavlos Parissis
On 18 October 2010 05:17, Jai away...@gmail.com wrote: I don't seen anything as well, but I am not surprised by that. I have seen a similar issue on my cluster where logs weren't that helpful. Does it still occur on your cluster? No, I haven't seen it again. But it could be that I

[Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Vogelsang, Andreas
Hello, I'm creating a presentation about a virtual Linux-HA Cluster. I just asked me how many nodes pacemaker can handle. Mr. Schwartzkopff wrote in his Book that Linux-HA version 2 can handle up to 16 Nodes. Is this also true for pacemaker? --- Mit freundlichen Grüßen / Best regards Andreas

Re: [Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Florian Haas
- Original Message - From: Andreas Vogelsang a.vogels...@uni-muenster.de To: pacemaker@oss.clusterlabs.org Sent: Monday, October 18, 2010 9:46:12 AM Subject: [Pacemaker] Question: How many nodes can join a cluster? Hello, I’m creating a presentation about a virtual Linux-HA

Re: [Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Pavlos Parissis
On 18 October 2010 10:52, Florian Haas florian.h...@linbit.com wrote: - Original Message - From: Andreas Vogelsang a.vogels...@uni-muenster.de To: pacemaker@oss.clusterlabs.org Sent: Monday, October 18, 2010 9:46:12 AM Subject: [Pacemaker] Question: How many nodes can join a

Re: [Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Pavlos Parissis
On 18 October 2010 11:13, Dan Frincu dfri...@streamwide.ro wrote: Pavlos Parissis wrote: On 18 October 2010 10:52, Florian Haas florian.h...@linbit.com wrote: - Original Message - From: Andreas Vogelsang a.vogels...@uni-muenster.de To: pacemaker@oss.clusterlabs.org Sent:

Re: [Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Bernd Schubert
On Monday, October 18, 2010, Pavlos Parissis wrote: On 18 October 2010 10:52, Florian Haas florian.h...@linbit.com wrote: - Original Message - From: Andreas Vogelsang a.vogels...@uni-muenster.de To: pacemaker@oss.clusterlabs.org Sent: Monday, October 18, 2010 9:46:12 AM

Re: [Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Vogelsang, Andreas
I want to point out why a virtual cluster is better than a physical one. In my eyes it’s because of the power usage, cooling and you need less space. I think it’s easier to cool down one server rack than a room full of tower. In one rack you put, let’s say ten ESX server. On every ESX server you

Re: [Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Roberto Suarez Soto
El día Mon, 18 Oct 2010 11:23:41 +0200, Pavlos Parissis pavlos.paris...@gmail.com escribía: Have you ever done troubleshooting on a 4 node cluster at 01:00 night? believe me it is not fun. Troubleshooting *anything* at 1am is no fun at all :-) I don't say there are no use cases which

Re: [Pacemaker] Question: How many nodes can join a cluster?

2010-10-18 Thread Andrew Beekhof
On Mon, Oct 18, 2010 at 9:46 AM, Vogelsang, Andreas a.vogels...@uni-muenster.de wrote: Hello, I’m creating a presentation about a virtual Linux-HA Cluster. I just asked me how many nodes pacemaker can handle. Mr. Schwartzkopff wrote in his Book that Linux-HA version 2 can handle up to 16

[Pacemaker] Artikel im Linux-Magazin 11/2010

2010-10-18 Thread Lars Marowsky-Bree
(Excuse the German, it's about a German language article) Guten Morgen liebe Leser, im Linux-Magazin 11/2010 findet sich ein Artikel zu Pacemaker, DRBD und OCFS2. Von der dort angeratenen Konfiguration ist jedoch nur abzuraten; bitte lest dazu http://advogato.org/person/lmb/diary/109.html und

Re: [Pacemaker] Help understanding why a failover occurred.

2010-10-18 Thread Jai
Oct 16 02:46:04 bravo attrd: [25098]: info: attrd_perform_update: Sent update 161: pingval=0 Makes sense, ping failed, therefore lost the 100 points and bravo became the lower scored server. It's not obvious, unless you know what your looking for. Thanks for that, I would never have picked

[Pacemaker] Move DRBD master

2010-10-18 Thread Vadym Chepkov
Hi, What is the crm shell command to move drbd master to a different node? Thank you, Vadym ___ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org

Re: [Pacemaker] How many nodes can join a cluster?

2010-10-18 Thread jiaju liu
--- 10年10月18日，周一, pacemaker-requ...@oss.clusterlabs.org pacemaker-requ...@oss.clusterlabs.org 写道： Hi I also use Pacemake manage Lustre system. Now I meet a question. If I mount and umount the same ost or mdt several times. It will last more then 3 minutes to mount this ost or mdt again.   

Re: [Pacemaker] Move DRBD master

2010-10-18 Thread Vladislav Bogdanov
19.10.2010 02:18, Vadym Chepkov wrote: Hi, What is the crm shell command to move drbd master to a different node? I didn't find it too. The only way to move ms resource I found is to move some other ordinary resource which is collocated with that ms (drbd) resource. But it remains unclear,