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AlwaysOn and DR testing Expand / Collapse
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Posted Tuesday, March 25, 2014 8:56 PM


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Guys,

With a system set up that has AlwaysOn groups configured with a number of databases that may or may not be related - and one of the systems requires a DR test can this be done with out impacting the other systems ?

My thinking is that it can not be done. Also I do not want a AlwaysOn group for every database.

Any ideas would be greatly appreciated.


Hope this helps...

Ford Fairlane
Rock and Roll Detective





Post #1554750
Posted Tuesday, March 25, 2014 10:57 PM
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Refer this excellent article which is self-explanatory.

http://www.sqlservercentral.com/articles/FCI/92196/

HTH


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Those who understand binary, and those who don't."
Post #1554766
Posted Wednesday, March 26, 2014 10:45 AM
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Ford Fairlane (3/25/2014)
Guys,

With a system set up that has AlwaysOn groups configured with a number of databases that may or may not be related - and one of the systems requires a DR test can this be done with out impacting the other systems ?

My thinking is that it can not be done. Also I do not want a AlwaysOn group for every database.

Any ideas would be greatly appreciated.


What solution are you using for DR ? And all Dbs or only some of them are going to be involved in the DR test ?

--
SQLBuddy
Post #1555084
Posted Wednesday, March 26, 2014 7:10 PM


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DR is different for different application. Some are only using the WFC for HA and not worried about DR others are using the AlwaysOn groups for DR. Now I have 3 or 4 different systems in one AlwaysOn group yet only one of the systems wants to test its DR capabilities.

Can this be done with out affecting the other databases in the group. I don't think so, if if this is the case what would be the best way to test DR for an individual system in a AlwaysOn group ?


Hope this helps...

Ford Fairlane
Rock and Roll Detective





Post #1555237
Posted Wednesday, March 26, 2014 9:48 PM
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Ford Fairlane (3/26/2014)
DR is different for different application. Some are only using the WFC for HA and not worried about DR others are using the AlwaysOn groups for DR. Now I have 3 or 4 different systems in one AlwaysOn group yet only one of the systems wants to test its DR capabilities.

Can this be done with out affecting the other databases in the group. I don't think so, if if this is the case what would be the best way to test DR for an individual system in a AlwaysOn group ?


No, that's not possible. It's only possible to failover the whole group not individual Dbs within the group. When you design Always ON groups, you should always group similar DBs not dissimilar ones.

To do that either you need to create AGs for separate DBs or configure DB Mirroring\Logshipping for individual DBs for the DR strategy.


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SQLBuddy
Post #1555248
Posted Wednesday, March 26, 2014 10:39 PM


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As expected ...

Hope this helps...

Ford Fairlane
Rock and Roll Detective





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