Replication / Failover

ai114

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Nov 30, 2011, 4:20:56 AM11/30/11

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Hi,

I've got a question about replication. Given that a master died
unexpectedly (OS crash /HDD failure), all slaves on other nodes will
immediately change to the idle-mode. Right? Is it possible to declare
an idled slave to a "new master"? Or do I have to shutdown all slaves
and start them with another (failover) BaduDBConfig?

Maybe there is another solution for master failover? Any suggestions,
help will be highly appreciated.

Thanks

Gabriel

Jan Stender

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Nov 30, 2011, 4:37:54 AM11/30/11

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Hi Gabriel,

master fail-over is internally handled by BabuDB and does not require
any manual intervention. If a master replica fails, a slave will become
the new master once the master lease times out. You can shut down or
kill any replica at any time as long as a majority (e.g. 2 out of 3)
replicas remain accessible.

Hope this helps and best regards,
Jan

ai114

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Nov 30, 2011, 5:16:41 AM11/30/11

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Hi Jan,

> master fail-over is internally handled by BabuDB

Thank you very much!

Gabriel

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