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Dec 18th, 2008
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what is the difference in the server state of IVr server in active and passive mode? what are the components/services which are active and which are passive?

I plan to write an external program to execute a CRS script using HTTP trigger.

Then what logic should I use in my program to sence the active/passive IVR server to sense the failover for redundancy?

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ivillegas Wed, 12/24/2008 - 07:23
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When you first configure the HA, you must specify an HA-Primary and HA-Secondary. Initially, the HA-Primary is the active, and the HA-Secondary is the standby (passive), but the active/passive roles are not permanently assigned. If the primary goes down, the secondary (standby) becomes the active. When the original primary restarts, it assumes the backup role.

ra_jeshkalra_2 Wed, 12/24/2008 - 07:34
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But what is the difference in HA-Primary and HA-Secondary in terms of the windows/CRS application services e.t.c.?

From my application I use the url http://CRS server IP address/appln name on CRS server

to initiate the IVR application/script from primary CRS server.

But what should I check on this primary server so that it can switchover to secondary server, if primary is down.

Basically on what basis I set the logic in my application to detect that the prim IVr server has failed.


m.jilderda Tue, 02/17/2009 - 07:09
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currently I am running into the same issue / question. Have you found a solution on how to find the active node?

ra_jeshkalra_2 Tue, 02/17/2009 - 13:57
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Go to control centre, the active server will show 'M' for master , the passive server will show 'S' for slave.



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