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Command
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Explanation
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hac restartdb
Abbreviation: hac rsd
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If the solidDB® server process has been terminated using the hac shutdowndb command, this command instructs the HAC to restart the solidDB® server process.
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hac resume
Abbreviation: hac rs
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This command resumes the HAC operations when HAC is in suspended mode (set with hac suspend). The solidhac.ini is not reread, that is, any changes to solidhac.ini are not effective.
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hac setadministrative
Abbreviation: hac sad
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This command sets HAC to ADMINISTRATIVE mode.
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hac setautomatic
Abbreviation: hac sam
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This command sets HAC to AUTOMATIC mode.
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hac shutdown
Abbreviation: hac sd
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This command terminates the HAC process.
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hac shutdowndb
Abbreviation: hac sdd
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This command instructs the HAC to shutdown the solidDB® server process. When the server process is terminated using this command, HAC does not try to restart the server process. To restart the server process, use the hac restartdb command.
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hac suspend
Abbreviation: hac sp
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This command shuts down all HAC operations (threads), expect for the thread that HAC uses to listen for ADMIN COMMANDs. When HAC has been suspended, the operations can be resumed with ADMIN COMMAND hac resume.
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trace { on | off } hac
Abbreviation: tra { on | off } hac
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This command controls tracing of HAC operations. The trace information is output to hactrace.out in the HAC working directory.
In general, solidDB® support teams use HAC traces facility for troubleshooting. You can also generate the trace to gain information about a problem that you are investigating, but its use is rather limited without knowledge of the solidDB® source code.
Using the HAC trace facility has minimal impact on performance.
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