High-availability cluster configuration parameters

Set the HA_ALIAS configuration parameter on each database server that participates in a high-availability cluster.

Set TEMPTAB_NOLOG configuration parameter to 1 on each secondary server in a high-availability cluster. Secondary servers in a high-availability cluster must disable logical logging on temporary tables.

Set the following configuration parameters to the same value on both database servers in a HDR pair:
  • DRAUTO
  • DRINTERVAL
  • DRTIMEOUT

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