[Pgcluster-general] Initial Configuration Questions

[John Gardner]

a.mitani at sra-europe.com wrote:
> Hi,
> 
>> For the purposes of a production environment, it is obviously best
>> practice to place the load balancer, db 1, db 2 and the replication
>> server on separate boxes, but in a test scenario, can we use two boxes,
>> each with two functions? e.g. Server 1 could be the load balancer and
>> db1 , while server 2 could be db2 and the replication function?  This is
>> just for proof of concept to get everything working...
> 
> If application server (like a web server) also including those two server,
> it is possible to create environment with all inclusive.
> 
> Of course, it is poosible to divide the application server and the DB server.
> 
> 
> EX1.(all inclusive)
>                           |
>             +-------------+------------+
>             |                          |
>   +----(server_1)----+        +----(server_2)----+
>   |  Web1            |        |   Web2           |
>   |  Load Balancer1  |        |   Load Balancer2 |
>   |  Cluster DB 1    |        |   Cluster DB 2   |
>   |  Reeplicaer 1    |        |   Replicater 2   |
>   +------------------+        +------------------+
> 
> EX2.(divide app & DB)
>                           |
>             +-------------+------------+
>             |                          |
>   +--(app server_1)--+        +--(app server_2)--+
>   |  Web1            |        |   Web2           |
>   |  Load Balancer1  |        |   Load Balancer2 |
>   +---------+--------+        +--------+---------+
>             |                          |
>           --+--------------------------+--
>             |                          |
>   +---(DB server 1)--+        +---(DB server 2)--+
>   |  Cluster DB 1    |        |   Cluster DB 2   |
>   |  Reeplicaer 1    |        |   Replicater 2   |
>   +------------------+        +------------------+
> 
> Regards,
> ----------------
> At.Mitani


Thanks At

That's a big help.

John


-- 
John Gardner - Tagish Ltd.
Infrastructure Manager
T: 01665 833 322
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