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IDS Forum

Re: client connection to a multi connection manage

Posted By: Art Kagel
Date: Monday, 30 April 2012, at 7:49 a.m.

In Response To: client connection to a multi connection manager sy (FERNANDO GUERRERO)

Fernando:

This is a link to the IBM Technote article that explains how to make a
windows client PC aware of a group entry for failover between two
connection managers or servers:

http://www-01.ibm.com/support/docview.wss?uid=swg21447622

Art

Art S. Kagel
Advanced DataTools (www.advancedatatools.com)
Blog: http://informix-myview.blogspot.com/

Disclaimer: Please keep in mind that my own opinions are my own opinions
and do not reflect on my employer, Advanced DataTools, the IIUG, nor any
other organization with which I am associated either explicitly,
implicitly, or by inference. Neither do those opinions reflect those of
other individuals affiliated with any entity with which I am affiliated nor
those of the entities themselves.

On Fri, Apr 27, 2012 at 2:19 PM, FERNANDO GUERRERO
<fernando_gr60@yahoo.com>wrote:

> Hello
>
> I have one java application that connects to informix server through
> connection managers, but even when I have more that one connection manager,
> when one of the fails I cannot connect anymore with my java application.
>
> I have two connection managers , and two informix databases servers,
>
> This is the sqlhosts file that I have in my two computers that run the
> connection managers
>
> oltp_group group - - i=13, c=1
>
> oltp1 onsoctcp host1 2121 g=oltp_group
>
> oltp2 onsoctcp host2 2121 g=oltp_group
>
> reports_group group - - i=14, c=1
>
> reports1 onsoctcp host1 2626 g=reports_group
>
> reports2 onsoctcp host2 2626 g=reports_group
>
> As you can see, I created the SLA oltp_group and the SLA reports_group,
> each
> of those SLA are linked to other SLA.
>
> This is the configuration file for my connection manager 1 that runs in the
> host 1:
>
> NAME cm_example1
>
> LOG 1
>
> LOGFILE cmlog
>
> DEBUG 1
>
> CLUSTER mycluster_1
>
> {
>
> INFORMIXSERVER server1, server2
>
> SLA oltp1 DBSERVERS=primary,HDR
>
> SLA reports1 DBSERVERS=primary
>
> FOC ORDER=DISABLE TIMEOUT=0 RETRY=1
>
> }
>
> This is the configuration file for my connection manager 2 that runs in the
> host 2:
>
> NAME cm_example2
>
> LOG 1
>
> LOGFILE cmlog
>
> DEBUG 1
>
> CLUSTER mycluster_2
>
> {
>
> INFORMIXSERVER server1, server1
>
> SLA oltp2 DBSERVERS=primary, HDR
>
> SLA reports2 DBSERVERS=primary
>
> FOC ORDER=DISABLE TIMEOUT=0 RETRY=1
>
> }
>
> And here comes the problem. For example, When my java application connects
> to
> the URL= host1, oltp_group, 2121 the connection manager always send me to
> oltp1. The connection manager is always sending me to oltp1 because in my
> java
> application I have host1 in my url, and if my connection manager 1 fails, I
> will not be able to connect to oltp_group even when my connection manager
> 2 is
> working and my two informix server are working. So I am not achieving any
> redundancy!!!!, How can I use my connection manager or how can I connect
> from
> my java application to oltp_gruop even if one connection manager fails???
>
> Thanks in advance
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--14dae9340d59e7c37504bee4090e

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