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nman47
Starting Member

8 Posts

Posted - 2011-03-17 : 13:57:55
I have new project coming my way where I have been asked to see if we can have a database insync at two different geographical locations. Both databases would be actively used all the time. They both need have new and old information in sync. Is this doable? If so what are the options?

I know we can't use missoring or transaction replications because both the mirrored instance and or the replicated instance would have to be in standby mode or can't be active.

Any suggestions or recommendations would help.

Thank you in advance.

X002548
Not Just a Number

15586 Posts

Posted - 2011-03-17 : 14:47:35
not my area (although I should become more well versed)

However....Do you need bi-directional updates, or are the other 2 just read only?

Besdes the M$ tools...you can use triggers in a variety of ways, and you can apply your own "log shipping"

It all comes down to who wins on an update..update the whole row, only the pieces that are different?

Can it be don sure....

"Bring Lawyers, Guns and Money"



Brett

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russell
Pyro-ma-ni-yak

5072 Posts

Posted - 2011-03-17 : 14:49:25
If both nodes will be written to, Peer to Peer Transactional Replication is probably your best bet.

By the way, not true that Transactional Replication requires one instance to be in standby or inactive.

If only one node will be written to, but both read from, use Transactional Replication.
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nman47
Starting Member

8 Posts

Posted - 2011-03-24 : 14:26:52
Thanks for the replies guys. The suggestions help. I am going to do a bit of digging on the Peer to Peer Transactional Replication.
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