Hello Benjamin Pflugmann <[EMAIL PROTECTED]>,

This scenario is fine. But in real life, the circular master-slave
replication will probably cause inconsistency of data among them. I
wish to keep 1 copy of the shared raw data in a storage device and
forget circular master-slave replication. If there is no locking problem
in this scenario, then I can balance the insert/delete/update load onto
every mysql server attached on the shared storage device. Idea?

On Thu, 23 May 2002 16:19:53 +0200
Benjamin Pflugmann <[EMAIL PROTECTED]> wrote:

> Hi.
> 
> On Thu, May 23, 2002 at 10:44:15AM +1200, [EMAIL PROTECTED] wrote:
> > At 16:02 22/05/2002 +0800, Patrick Hsieh wrote:
> [...]
> > >1. use 3 or more mysql servers for write/update and more than 5 mysql
> > >servers for read-only. Native mysql replication is applied among them.
> > >In the mysql write servers, use 1 way replication like A->B->C->A to
> > >keep the data consistency. But I am afraid the loss of data, since we
> > >can't take the risk on it, especially when we are relying our billing
> > >system on it.
> > 
> > This will not work. MySQL replication does not work like that. With MySQL 
> > replication you have one master and all others replicate from it. 
> [...]
> 
> I beg to differ. This kind of setting is doable since 3.23.26 and even
> mentioned in the manual as circular master-slave relationship:
> 
> http://www.mysql.com/doc/R/e/Replication_Features.html
> 
> Of course you have to take care of the special properties of this
> configuration.
> 
> Regards,
> 
>       Benjamin.
> 
> -- 
> [EMAIL PROTECTED]
> 
> 
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-- 
Patrick Hsieh <[EMAIL PROTECTED]>
GPG public key http://pahud.net/pubkeys/pahudatpahud.gpg


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