SAPHana resource promotes the secondary node to master even after its LPT timestamp is lower

Solution Verified - Updated -

Issue

  • Why is SAPHana not honoring the LPT timestamp value when promoting the node to master?
  • What is Resource Weight (master-rsc_SAPHana_<SID>_HDB<SN>) of SAPHana Resource in a Red Hat High Availability cluster with pacemaker?
  • What is Last Primary Timestamp (LPT) value (lpa_<sid>_lpt) of SAPHana Resource in a Red Hat High Availability cluster with pacemaker?
  • When is the Last Primary Timestamp (LPT) value (lpa_<sid>_lpt) is considered?

Environment

  • Red Hat Enterprise Linux 7 ( with High Availability add-on)
  • SAP HANA
  • Pacemaker

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