Doug -
 
Thanks for the repsonse - and I agree with everything you said.  The
question is how do we actually configure it that way so users don't have
to choose it?
 
The issue here is that we do not want the users to specify the
preference server in the WUT.  Consequently the server side
configuration has to be used.  The possible choices are:
 
-User Defined (not our first choice)
-Use This Server
-Use Other Server
 
If I understand what you're saying then the second option would be
appropriate.  This conflicts with what support has been telling us so
far - but our regular dedicated support person is on vacation.
 
William Rentfrow
Principal Consultant, StrataCom Inc.
[email protected]
Corporate Website, www.stratacominc.com <http://www.stratacominc.com/> 
Blog, www.williamrentfrow.com <http://www.williamrentfrow.com/> 
715-410-8156 C
 

________________________________

From: Action Request System discussion list(ARSList)
[mailto:[email protected]] On Behalf Of Mueller, Doug
Sent: Thursday, July 15, 2010 5:59 PM
To: [email protected]
Subject: Re: Preference Server in a Server Group (7.5)


** 
William,
 
I am confused by your description.
 
You have 4 AR System servers pointing to one DB in a server group.
These are then behind a load balancer.
 
Is this your entire environment?
 
If so, you really have ONE logical server.  The load balancer.  PERIOD.
This is your server.  This is your only
server.  This is the server you talk to from your client.
 
So, your mid-tier has one server registered.
So, your windows clients have one server registered.
 
All access is to that one logical server -- ignore the fact that behind
the scenes there are 4 servers.  There is
ONE logical server.
 
That one server is your preference server.
 
There is no need to hunt across servers.  There is ONE server.  If the
load balancer routes to any of the four,
you are accessing the same DB and get the same data.
 
Don't confuse the fact that you have multiple servers doing the work
make it seem like there are 4 servers.
There is one logical server and if you put them all behind the load
balancer, that one name of the load
balancer level is the ONE and ONLY server for the environment (OK, not
really as you could go direct as
well, but if you go to the load balancer that is a single server
instance -- logically -- regardless of whether it
really goes to one or multiple physical servers.
 
So, just configure your system to talk to the ONE server at the logical
load balancer level and treat that as
your server -- and your preference server.
 
I hope this helps,
 
Doug Mueller

________________________________

From: Action Request System discussion list(ARSList)
[mailto:[email protected]] On Behalf Of William Rentfrow
Sent: Tuesday, July 13, 2010 8:05 AM
To: [email protected]
Subject: Preference Server in a Server Group (7.5)


** 
I have a server group with 4 AR Servers.
 
None of the servers are directly routable to directly by the end users -
they all access the servers through a virtual name which passes them to
the load balancer and on down to the server group.
 
We'd prefer users do not have to enter the preference server name.  BMC
has advised us to add the actual AR Server names to the WUT and set this
in the ar.conf on each server.
 
Preference-Server-Option: 2
 
In the non-secure world that would make the WUT search through the
servers until it found the preference server that was defined.
 
That won't work for us due to security reasons because users can not get
to the AR Servers directly.
 
Anyone know a way around this? 
 
William Rentfrow
Principal Consultant, StrataCom Inc.
[email protected]
Corporate Website, www.stratacominc.com <http://www.stratacominc.com/> 
Blog, www.williamrentfrow.com <http://www.williamrentfrow.com/> 
715-410-8156 C
 
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