[Beowulf] seamless failover

Reuti reuti at staff.uni-marburg.de
Sun Aug 26 15:02:40 PDT 2012


Hi,

Am 26.08.2012 um 16:32 schrieb HUSTKJH:

>  Hi, all!
> I am desiging a HA system for VoIP server cluster now.
> My system should support fault tolerance with seamless failover feature.
> I first begin with 2 nodes, and using Linux HA heartbeat package.
> A lot of existing HA clusters are based on Linux HA heartbeat, but it doesn't support seamless failover/failback at present. 
> A lot of academic research papers address this problem (kernel-level, log-based...), but not in practice,and complicated and limited in the realization.
> Linux HA is somewhat simple and easy-to-use, but don't know how to extend and change to support seamless failover.
> Does anyone have related experience or good ideas...?

Depends on the budget and importance of application. E.g. NEC offers fault tolerant servers where the HA is in mirrored hardware.

http://www.necam.com/servers/ft/

-- Reuti


> Or, are there any other open-source s/w for this?
> 
> Thanks.
> John Peter
> 
> 
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