Update SAP NW setup guide to address a few issues #225
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1) add nfs mount option 'noresvport' for efs mounts. https://docs.aws.amazon.com/efs/latest/ug/mounting-fs-nfs-mount-settings.html 2) change stonith-action from 'poweroff' to 'off' to prevent warning about poweroff being deprecated and possibly removed in later version. https://forums.suse.com/discussion/14182/sbd-fencing-to-shutdown-and-not-restart-the-node-in-cluster https://clusterlabs.org/pacemaker/doc/deprecated/en-US/Pacemaker/1.1/html/Pacemaker_Explained/s-cluster-options.html https://github.com/ClusterLabs/cluster-glue/blob/1753f5e090d10e173b909cdd9df5e7a60a36559a/lib/plugins/stonith/external/ec2#L392 3) Increase monitoring interval for STONITH device to prevent instance metadata query throttling. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html#instancedata-throttling too frequent of monitoring not recommended - https://clusterlabs.org/pacemaker/doc/crm_fencing.html https://docs.aws.amazon.com/sap/latest/sap-netweaver/cluster-resources-sap-netweaver-ha.html#stonith-cluster-resources-sap-netweaver-ha
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@thimslugga thank you for the report. @fmherschel is looking into it. |
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@stephenmogg would you mind looking into it again? Thank you ! |
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checking in on this one. |
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https://docs.aws.amazon.com/efs/latest/ug/mounting-fs-nfs-mount-settings.html
https://forums.suse.com/discussion/14182/sbd-fencing-to-shutdown-and-not-restart-the-node-in-cluster
https://clusterlabs.org/pacemaker/doc/deprecated/en-US/Pacemaker/1.1/html/Pacemaker_Explained/s-cluster-options.html
https://github.com/ClusterLabs/cluster-glue/blob/1753f5e090d10e173b909cdd9df5e7a60a36559a/lib/plugins/stonith/external/ec2#L392
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html#instancedata-throttling
too frequent of monitoring not recommended - https://clusterlabs.org/pacemaker/doc/crm_fencing.html
https://docs.aws.amazon.com/sap/latest/sap-netweaver/cluster-resources-sap-netweaver-ha.html#stonith-cluster-resources-sap-netweaver-ha