| IAS: multiple instances [message #118211] |
Tue, 03 May 2005 12:56  |
mustafano
Messages: 1
Registered: May 2005
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Junior Member |
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Hi,
I am trying to validate an IAS architecture. My goal is to provide high availibility. So I will use 2 IAS hardware servers and one Database server.
My questions are:
- can I execute simultanously 2 instances of IAS on 2 hardware servers?
- How can I manage load balancing between 2 instances?
Tanks in advance.
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| Re: IAS: multiple instances [message #120682 is a reply to message #118211] |
Sun, 22 May 2005 19:36  |
stevenr
Messages: 5
Registered: May 2005
Location: India
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Junior Member |
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Hi
Not sure what version of the iAS you are looking at. As for HA, you can get that with Oracle 9iAS Rel 2 and 10g (not sure about Rel 1)
You will need to install the iAS servers on both servers and then cluster them via OEM and club them into an "application server cluster" Note that the HA provided by Oracle is software-level only i.e. the clsutering/loadbalancing/failover is only to guard against software failures (like OC4J crashing)
So in reply to your queries,
- Yes
- Done out-of-the-box, by the mod_oc4j component in the Oracle HTTP Server
HTH
Ciao
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