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Geo Clustering SQL Server 2008 R2

Posted on 2014-02-05
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Last Modified: 2014-03-29
I would like to help to plan the prerequisites for the implementation of SQL Server Clustering Geo.

I have a total of 4 servers for this purpose. two on the Site A and two at Site B.

Need to determine the servers that act as actives and inactives. And all the tools I need

Thanks!
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Question by:JnavarroMc
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Expert Comment

by:Eugene Z
ID: 39838473
you need to start from Data Centers Vendors abilities\distance \Network possibilities
and Windows setup,

for sql 2008 you may consider Mirroring\Logshipping\sql replication\etc.  instead of GeoClustering.
...
You may start from upgrading sql2008 to sql 2012 and use Geo Clustering
via Always On sql 2012 new feature
/ http://technet.microsoft.com/en-us/sqlserver/gg490638.aspx /

SQL Server Multi-Subnet Clustering (SQL Server
http://technet.microsoft.com/en-us/library/ff878716.aspx

if just you need for DR - you may need just Logshipping solution ( http://technet.microsoft.com/en-us/library/ms187103(v=sql.105).aspx )
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Author Comment

by:JnavarroMc
ID: 39838815
the project has already been established by geo clustering.

I have 2 nodes on the main site and 2 nodes on the secondary site. The replication of storage is also provided.

What I can not understand so far is how could structure these four nodes.

We were planning to have an active and passive node on the main site and the other two nodes in the same way at the remote site.

What I can not understand is how this solution could work as it would have two main nodes. Or is that only would have a major node on the main site and the other three nodes would be passive?
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LVL 43

Expert Comment

by:Eugene Z
ID: 39840883
what are you going to run and A node in each DC?
explain your servers topology

Active means -something will run there-
does it mean 1 site A and 2md site P
and  vice versa?
please clarify
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Author Comment

by:JnavarroMc
ID: 39840961
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Expert Comment

by:Eugene Z
ID: 39840979
very good.
what about my question about how are you going to use these windows A/P Geon nodes for your sql server?
if it was sql 2012 - Always on feature may be not so bad idea to use for these nodes settings
for sql 2008 what is your plan?
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Author Comment

by:JnavarroMc
ID: 39841024
I have licenses  of SQL 2008 R2. what is the difference with SQL 2012 Always on?
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Accepted Solution

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Eugene Z earned 1500 total points
ID: 39841541
SQL 2012 is next version of sql

Always on is a new feature of sql 2012  -- check posted above link about this
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