Cluster reboots frequently without cause in logs (PACEMAKER)
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2017-01-04T14:29:38.217687-06:00 saturn kernel: [160693.230387] cgroup: fork rejected by pids controller in /system.slice/pacemaker.service
2017-01-04T14:36:49.590171-06:00 saturn kernel: [ 42.724175] cgroup: fork rejected by pids controller in /system.slice/pacemaker.service
2017-01-04T16:42:34.676537-06:00 saturn kernel: [ 41.473142] cgroup: fork rejected by pids controller in /system.slice/pacemaker.service
This only happens on SLES 12 SP2. Clusters with SLES 11 or SLES 12 or SLES 12 SP1 are not affected.
As the pacemaker cluster might operate a lot of resources and spawns a lot of lrmd processes this limit can be hit in some enviroments. As the release notes state, this is a possible limitation of an otherwise good default setting. This could be taken into account and planned before configuring the cluster.
To alleviate the issue the limit is simply increased, in
is changed to
and to activate this setting
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- Document ID:7018594
- Creation Date: 07-Feb-2017
- Modified Date:03-Mar-2020
- SUSE Linux Enterprise High Availability Extension
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