On 8/21/07, Andreas Kurz <[EMAIL PROTECTED]> wrote:
> Hello all,
>
> I have a Heartbeat 2.1.2 two-node cluster installation using three
> ping nodes to check network connectivity. Today one of the ping nodes
> was restarted and the loss of one ping node was detected by both nodes
> at the same time (according to the logs).
>
> The problem was that the pingd score_attribute was only decreased for
> one node (holding two resource groups) in a first attempt and
> heartbeat began to stop resources to migrate the groups away. During
> the resource shutdown the pingd score_attribute of the second node was
> also decreased and the resource migration was stopped and restarted on
> the current node. Some seconds later the third ping node was up again,
> the  pingd score_attribute was updated for both nodes and the
> resources were untouched.
>
> My question is: Is there a way to 'tune' the configuration to avoid
> souch resource restarts and why  was the pingd score_attribute updated
> 'simultaneously' when the ping node came up again but not when it got
> down?

if you're using the RA, increase the value of "dampen"

if an event happens, we'll wait 'dampen' seconds (or milliseconds) to
see if another one occurs on another node - so that we can update the
CIB with both of them at the same time.

>
> Regards,
> Andreas
>
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> See also: http://linux-ha.org/ReportingProblems
>
>
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