Hi,
On Tue, Dec 09, 2008 at 04:17:37PM +0100, Dominik Klein wrote:
> <kleind> detach and reattach with m/s resource is broken again if you
> don't have constraints for the master role. upon start, the cluster
> reports all resources running fine in the correct mode, but sees -1
> promotion score for all drbd instances, which renders any master
> colocated resource unrunnable. then stop colocated, demote drbd is
> executed, which calls crm_master, now we have a promotion score and so
> we have a new promotion and colocated start.
> <kleind> on the one hand you say not to use constraints for the master
> role because crm_master is to take care of that ...
> <beekhof> its only broken if the RA is broken :)
> <beekhof> the RA needs to call crm_master during probes
> <kleind> probes would be monitor, right?
> <beekhof> with interval = 0
> <kleind> monitor_0
> <beekhof> yep
> <kleind> is there some $interval we can see in the RA or whats the
> suggested way?
> <beekhof>
> http://hg.clusterlabs.org/pacemaker/stable-1.0/file/9ec6e48c1207/extra/resources/Stateful
> <kleind> thx
>
> This patch calls drbd_update_prefs if the master role is detected during
> the probe. Within that function, crm_master is called and sets an
> appropriate promotion score. That keeps the master instance running in
> its current location.
>
> Regards
> Dominik
> exporting patch:
> # HG changeset patch
> # User Dominik Klein <[EMAIL PROTECTED]>
> # Date 1228835412 -3600
> # Node ID 1a5685e8f1ed6c230ae3892856892e6a3a57d208
> # Parent 057a733858655a68948f650ffb52fdddd5eb9db9
> Medium: RA: drbd - make sure crm_master scores are set during probes
>
> diff -r 057a73385865 -r 1a5685e8f1ed resources/OCF/drbd
> --- a/resources/OCF/drbd Tue Dec 02 20:29:32 2008 +0100
> +++ b/resources/OCF/drbd Tue Dec 09 16:10:12 2008 +0100
> @@ -383,7 +383,11 @@ drbd_monitor() {
> ocf_log debug "$RESOURCE monitor: resource not configured"
> return $OCF_NOT_RUNNING
> elif [ "$DRBD_STATE_LOCAL" = "Primary" ]; then
> -# drbd_update_prefs
> + if [ -z "$OCF_RESKEY_CRM_meta_interval" ]; then
shouldn't this be:
if [ -z "$OCF_RESKEY_CRM_meta_interval" -o
"$OCF_RESKEY_CRM_meta_interval" -eq 0 ]; then
Dejan
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