fc3 & mysql clustering

[bruce]

ankush,

fault tolerance/redundancy is not just an issue of multiple mysql databases.
the issue os redundancy has to be approached from a top/system level. you
essentially need to have the ability to essentially turn off a machine, and
have the backup take over...

most situations require a sort of slave/master configuration with whatever
machine is the slave being tied to the master, in terms of data/process
replication... if the master is working correctly, the slave simply acts as
a backup... if the master goes down, the slave takes over, performing as the
new master.. when the master comes back on line.. it gets 'up to speed' and
may or may not resume the role of the master, or the slave...

this kind of configuration requires an understanding of the required
processes from the apache/mysql/application points of view.

if you've never created this kind of system, i would strongly advise that
you talk to someone who's created these systems. if your app is going to be
in a critical area of the hospital, then you don't want to screw this up.

-bruce



-----Original Message-----
From: fedora-list-bounces at redhat.com
[mailto:fedora-list-bounces at redhat.com]On Behalf Of Ankush Grover
Sent: Thursday, June 16, 2005 2:15 AM
To: For users of Fedora Core releases
Subject: fc3 & mysql clustering


Hey friends,

 We recently got an order from a Hospital to install our healthcare
product in their premises.They want  fault tolerance  means if one
server goes down the other server takes over it.


The packages which will be running on FC3 will be

a) FC3 itself( 32bit intel)
b) mysql as database(4.1)
c) apache as web server
d) our software.

Can anyone tell me any good links or tutorials for such scenario.It
there is some other OS as compared to  FC3 which also supports
clustering but which is more less works like FC3,as i don't want to
spend too much time in learning that OS,I would like to spend the time
on learning and configuring clustering.

Thanks & Regards

Ankush Grover

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