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[Linux-cluster] FWD: Question on RH Cluster from a MySQL Customer



Can someone help out this questioner?  I know zip about Cluster.
I looked at the FAQ for a bit and thought that what he wants is
probably doable, but I couldn't tell if it would be easy or
painful to do load-balancing in this particular way.  (And I'm not
qualified to say if what he wants is a sensible approach, either.)

			regards, tom lane

------- Forwarded Message

Date:    Sat, 24 Feb 2007 15:37:17 +0000
From:    Ivan Zoratti <ivan mysql com>
To:      tgl redhat com
Subject: Question on RH Cluster from a MySQL Customer

Dear Tom,

first of all, let me introduce myself. I am the Sales Engineering  
Manager for EMEA at MySQL. Kath O'Neil, our Director of Strategic  
Alliances, kindly gave me your name for a technical question related  
to the use of Red Hat and MySQL - hopefully leading to the adoption  
of RH Cluster.

Our customer is looking for a solution that could provide high  
availability and scalability in a cluster environment based on linux  
servers that are connected to a large SAN. Their favourite choice  
would be to go with Red Hat.
Each server connected to the SAN would provide resources to host,  
let's say, 5 different instances of MySQL (mysqld). Each mysqld will  
have its own configuration, datadir, connection port and IP address.
The clustering software should be able to load-balance new mysqld  
instances on the available servers. For example, considering servers  
with same specs and workload, when the first mysqld starts, it will  
be placed on Server A, the second one will go on Server B and so on  
for C,D and E. The sixth mysqld will then go on A again, then B and  
so forth. If one of the server fails, the mysqld(s) is (or are)  
"moved" on the other servers, still in a way to guarantee a load- 
balance of the whole system.
After my long (and hopefully clear enough) explanation, my quick  
question is: does RH Cluster provide this kind of features? I am  
mostly interested in the way we can instatiate mysqld and re-launch  
them on any other server in the cluster in case of fault.

I would be very grateful if you could help me or address me to  
somebody or something for an answer.

Thank you in advance for your help.

Kind Regards,

Ivan


--
   Ivan Zoratti - Sales Engineering Manager EMEA

   MySQL AB - Windsor - UK
   Mobile: +44 7866 363 180

   ivan mysql com
   http://www.mysql.com
--


------- End of Forwarded Message


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