i think he is not more on the HA thing but the syncing of the data..
simple master-slave will do for you just like what was mentioned above.
do the upload in you master server then after sync the data to other servers.

but mostly of the clustered servers are using shared drive or mounted shared drive since it is for
HA and reliability .

On 9/9/06, thad < [EMAIL PROTECTED]> wrote:
What he needs is something like HACMP which is actually heartbeat[1]

[1] http://www.linux-ha.org/

thad


On 9/8/06, fooler <[EMAIL PROTECTED]> wrote:
> ----- Original Message -----
> From: "Federico Sevilla III" <[EMAIL PROTECTED]>
> To: <[email protected]>
> Sent: Friday, September 08, 2006 3:33 PM
> Subject: Re: [plug] Syncing clustered web servers
>
>
> > On Fri, Sep 08, 2006 at 03:22:24PM +0800, fooler wrote:
> >> any distributed network filesystem that you prefer (eg. nfs, cifs,
> >> afs) and mount it in every server.... no copying needed...
> >
> > This will work fine if the cluster co-located. However if the mirrors
> > are distant from the primary network-wise, then synchronization tools
> > like rsync make more sense.
>
> mostly clustering is in one place.... rsync makes sense if the latency is
> high and the bandwidth is low....
>
> fooler.
>
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