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HA options


HA options

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cmoy
cmoy
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greetings - we have SQL Server 2008 R2, and am in the process of setting up mirrored databases with a witness server. We wanted complete transparency, so we were hoping to use Windows Clustering to provide a virtual IP address so that users wouldn't need to modify their connection strings at all. Alas, for whatever reason, Windows Clustering isn't going to work, so I'm faced with a dilemma.

1) the .net apps can change their connection strings to recognize a principal and a mirror - that is fine, but what about our dozens of SSIS jobs and other ETL (Talend, Pentaho etc) jobs? Is there a way for these jobs to use a principal/mirror setup and/or a virtual IP address?
2) I could go with MSCS but then I have the single point of failure with the DB, and my experience in the past using DoubleTake/Geocluster to do a stretch cluster was slightly sketchy.

any opinions or solutions?
RTaylor2208
RTaylor2208
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Do you have the option of upgrading to SQL 2012 and utilising Always on Availability Groups?

MCITP SQL 2005, MCSA SQL 2012
cmoy
cmoy
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looks like we're headed that direction, if I have my way. I was preparing for other options in case management said no.
akhamoshioke
akhamoshioke
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The only other viable option is see here would be geo clustering or having a cname alias in AD for the instance and using that in the application connection string. That way, you can have an alternate cluster (like a DR Site) and mirror the data over there. The failover will be handled by AD using a 3rd party application used in datacenter failover. That will fix this but expand the project scope. Else, geo-clustering is the way to go.
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