Re: [Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-27 Thread Brad Johnson
connectivity than the other. On 09/26/2011 09:57 PM, Andrew Beekhof wrote: On Mon, Sep 26, 2011 at 10:57 PM, Brad Johnson wrote: I agree that the patch assumes the use of "pingd" for the attribute name, and there may be a better way of coding that. However, I don't see how setting

Re: [Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-26 Thread Brad Johnson
ck up. The fact is that dampening alone does not solve this. Which is why we use a resource agent that uses selective dampening based on where the resource is running. On 09/25/2011 08:58 PM, Andrew Beekhof wrote: On Fri, Sep 23, 2011 at 9:53 PM, Brad Johnson wrote: Yes, but the patch only af

Re: [Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-23 Thread Brad Johnson
by delaying rising scores on the idle, and falling scores on the active node. On 09/22/2011 09:10 PM, Andrew Beekhof wrote: On Tue, Sep 20, 2011 at 10:34 PM, Brad Johnson wrote: It is not necessarily the case that the outside world can't reach the cluster. Ours is a multi-homed d

Re: [Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-20 Thread Brad Johnson
:40 PM, Florian Haas wrote: On 09/08/11 20:59, Brad Johnson wrote: We have a 2 node cluster with a single resource. The resource must run on only a single node at one time. Using the pacemaker:ocf:ping RA we are pinging a WAN gateway and a LAN host on each node so the resource runs on the node

Re: [Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-13 Thread Brad Johnson
On Sep 8, 2011, at 3:40 PM, Florian Haas wrote: On 09/08/11 20:59, Brad Johnson wrote: We have a 2 node cluster with a single resource. The resource must run on only a single node at one time. Using the pacemaker:ocf:ping RA we are pinging a WAN gateway and a LAN host on each node so the resource r

Re: [Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-08 Thread Brad Johnson
nodes score drop to zero (e.g. connectivity lost from both nodes to a single ping host)? Regards, Brad On 09/08/2011 02:40 PM, Florian Haas wrote: On 09/08/11 20:59, Brad Johnson wrote: We have a 2 node cluster with a single resource. The resource must run on only a single node at one time. U

Re: [Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-08 Thread Brad Johnson
OK, attached is the full cibadmin -Q output. Thanks, Brad On 09/08/2011 02:07 PM, Florian Haas wrote: On 09/08/11 20:59, Brad Johnson wrote: We have a 2 node cluster with a single resource. The resource must run on only a single node at one time. Using the pacemaker:ocf:ping RA we are

[Pacemaker] resource moving unnecessarily due to ping race condition

2011-09-08 Thread Brad Johnson
We have a 2 node cluster with a single resource. The resource must run on only a single node at one time. Using the pacemaker:ocf:ping RA we are pinging a WAN gateway and a LAN host on each node so the resource runs on the node with the greatest connectivity. The problem is when a ping host goe