Nonstop Database, HiRDB Version 9 System Operation Guide

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20.12.3 Handling of a power failure

HiRDB processing
When the power has been restored, the OS has been rebooted, and HiRDB has been restarted, the hardware power backup facility restores the system to its status immediately before the power failure occurred.

HiRDB administrator's action
After you have restarted the OS, restart HiRDB. Depending on the specification in the pd_mode_conf operand, HiRDB might restart the unit automatically after you restart the OS.