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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...SQL2008 Transactional ReplicationSQL2008 Transactional Replication
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4/2/2010 12:36 PM
 
tonyhilliard

Joined: 11/26/2008
Posts: 6

Anyone know if DNN will function with SQL2008 transactional replication enabled?  We are looking to setup a disaster recovery system that will essentially be a replica of our current production environment.  We are currently running DNN 5.1.4 (community edition).
 
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4/2/2010 5:00 PM
 
Paul Scarlett


www.tressleworks.ca
Joined: 4/16/2004
Posts: 493

Tony,

I don't see a reason why a DNN database would not work.  However, my experience is based on SQL 2000. 

From a disaster recovery point of view,  a typically DNN database has relativity few updates - However it does depend on the type of site (social sites being the obvious difference)  The type of database duplication really depends on the recovery time requirement of your DRP plan.

You may want to look at just performing frequent backups (every 4 hours?) .  Additionally you can be rolling your transaction logs often to get even closer to real time.  Transaction log shadowing is also something to consider.

Paul.
 
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4/2/2010 5:27 PM
 
Chris Smith


www.nddllc.com
Joined: 1/25/2003
Posts: 681

Replication is a viable option, in fact I have set up a few. As Paul alluded to, a more simple solution may be effective, such a trans-log shipping or simpler yet, just a cold stand-by where you can recover form a set of full and transaction log backups. The later has proven very effective for us and  a transaction log backup as often a 2 hours may be in order depending on site usage. These back-ups are often placed on a third server (behind the firewall) so either the primary or secondary DB has access to them in case they're needed.

One thing to consider is that upgrades often call for a database to have new objects added, dropped or changed, this can be a replication nightmare.

HTH
 
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9/8/2011 4:13 PM
 
Jeff DeFord


Joined: 9/8/2011
Posts: 1
I have been struggling with DNN SQL replication to the extent that my eyes are crossed and my head is sore and bloody from beating it against the wall.

I get replication working, but invariably I get PK violations as a result of PK collision and the dnn application breaks.  The primary table is dbo.eventLog when I replicate.  What articles need to be published?  If you have any guidance here I'd love to hear from you!

-=jd
 
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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...SQL2008 Transactional ReplicationSQL2008 Transactional Replication


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