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BlackBerry® Enterprise Service 10

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New Contributor
techboy
Posts: 2
Registered: ‎06-03-2009
My Device: Not Specified

BES 5 Standby Node for multiple primary nodes

Can you have a single standby node service multiple primary nodes?

Similar to an Active-Active-Passive clutser design.

 

The other two choices I am considering is to have a single sql clutser, two physical BES servers and two VM standby servers.

 

Thoughts?

 

 

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New Contributor
messagingman
Posts: 5
Registered: ‎06-05-2009
My Device: Bold 9000

Re: BES 5 Standby Node for multiple primary nodes

The BES instance has a 1 to 1 relationship in terms of primary and standby servers therefore it is not possible to build a active-active-passive cluster as you suggest. The BES maintains health scores of both the primary and standby servers which it uses to determine if it should failover to the standby node which also prevents the 3 node cluster setup.

 

I would be weary on using a SQL cluster because as far as im aware SQL clustering is not supported. To get high availability for your SQL databaase you should use the database mirroring feature in SQL 2005. BES 5 has inbuilt support for this feature.

 

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New Contributor
techboy
Posts: 2
Registered: ‎06-03-2009
My Device: Not Specified

Re: BES 5 Standby Node for multiple primary nodes

 

Maybe I will investigate two physical BES servers and VM standby servers. Then a physical and VM sql mirrored pair.

 

Cheers

 

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