Re: [Pacemaker] issues when installing on pxe booted environment

2013-03-28 Thread Rainer Brestan
Hi John, to get Corosync/Pacemaker running during anaconda installation, i have created a configuration RPM package which does a few actions before starting Corosync and Pacemaker. An excerpt of the post install of this RPM. # mount /dev/shm if not already existing, otherwise openais cannot

Re: [Pacemaker] OCF Resource agent promote question

2013-03-28 Thread Steven Bambling
I'm reading the additions that you added to the pgsql resource agent to allow for streaming replication in Postgres 9.1+. I'm trying to determine if your resource agent will compensate if node promoted ( new master ) does not have the newest data. From the looks of the pgsql_pre_promote

Re: [Pacemaker] PGSQL resource promotion issue

2013-03-28 Thread Rainer Brestan
Hi Steve, i think, you have misunderstood how ip addresses are used with this setup, PGVIP should start after promotion. Take a look at Takatoshis Wiki. https://github.com/t-matsuo/resource-agents/wiki/Resource-Agent-for-PostgreSQL-9.1-streaming-replication The promotion sequency is very

Re: [Pacemaker] OCF Resource agent promote question

2013-03-28 Thread Rainer Brestan
Hi Steve, when pre promote notify is called, Pacemaker has already selected a node to promote, you cannot stop this sequency any more. As the node with the highest score should have been promoted, this is a code to fail slaves coming up after promote node selection. If you try to force another

Re: [Pacemaker] stonith and avoiding split brain in two nodes cluster

2013-03-28 Thread Brian J. Murrell
On 13-03-25 03:50 PM, Jacek Konieczny wrote: The first node to notice that the other is unreachable will fence (kill) the other, making sure it is the only one operating on the shared data. Right. But with typical two-node clusters ignoring no-quorum, because quorum is being ignored, as soon

[Pacemaker] Speeding up startup after migration

2013-03-28 Thread Benjamin Kiessling
Hi, we've got a small pacemaker cluster running which controls an active/passive router. On this cluster we've got a semi-large (~30) number of primitives which are grouped together. On migration it takes quite a long time until each resource is brought up again because they are started

[Pacemaker] Self-Fence???

2013-03-28 Thread David Pendell
I have a two-node CentOS 6.4 based cluster, using pacemaker 1.1.8 with a cman backend running primarily libvirt controlled kvm VMs. For the VMs, I am using clvm volumes for the virtual hard drives and a single gfs2 volume for shared storage of the config files for the VMs and other shared data.

Re: [Pacemaker] Self-Fence???

2013-03-28 Thread Andrew Beekhof
On Fri, Mar 29, 2013 at 7:42 AM, David Pendell losto...@gmail.com wrote: I have a two-node CentOS 6.4 based cluster, using pacemaker 1.1.8 with a cman backend running primarily libvirt controlled kvm VMs. For the VMs, I am using clvm volumes for the virtual hard drives and a single gfs2 volume

Re: [Pacemaker] Speeding up startup after migration

2013-03-28 Thread Andrew Beekhof
On Fri, Mar 29, 2013 at 4:12 AM, Benjamin Kiessling mittages...@l.unchti.me wrote: Hi, we've got a small pacemaker cluster running which controls an active/passive router. On this cluster we've got a semi-large (~30) number of primitives which are grouped together. On migration it takes

Re: [Pacemaker] Self-Fence???

2013-03-28 Thread David Pendell
Ok, then. I learned something new. Thanks. d.p. On Thu, Mar 28, 2013 at 6:28 PM, Andrew Beekhof and...@beekhof.net wrote: On Fri, Mar 29, 2013 at 7:42 AM, David Pendell losto...@gmail.com wrote: I have a two-node CentOS 6.4 based cluster, using pacemaker 1.1.8 with a cman backend running

Re: [Pacemaker] issues when installing on pxe booted environment

2013-03-28 Thread Andrew Beekhof
On Thu, Mar 28, 2013 at 10:43 PM, Rainer Brestan rainer.bres...@gmx.net wrote: Hi John, to get Corosync/Pacemaker running during anaconda installation, i have created a configuration RPM package which does a few actions before starting Corosync and Pacemaker. An excerpt of the post install