Re: Automatic Client Failover

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От Greg Stark
Тема Re: Automatic Client Failover
Дата
Msg-id 27F0AB17-68B2-4CE8-846D-F492DCA37D07@enterprisedb.com
обсуждение исходный текст
Ответ на Re: Automatic Client Failover  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Automatic Client Failover  (Markus Wanner <markus@bluegap.ch>)
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Greg

On 5-Aug-08, at 12:15 AM, "Tom Lane" <tgl@sss.pgh.pa.us> wrote:
>
> There is one really bad consequence of the oversimplified failover
> design that Simon proposes, which is that clients might try to fail  
> over
> for reasons other than a primary server failure.  (Think network
> partition.)  You really want any such behavior to be managed  
> centrally,
> IMHO.

The alternative to a cwnrallu managed   failover system is one based  
on a quorum system. At first glance it seems to me that would fit our  
use case better. But the point remains that we would be better off  
adopting a complete system than trying to reinvent one. 


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