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Availability Groups - My Bookmarks

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I pondered a lot of time, what should I blog about?

Eventually I came up with this idea of aggregating all the links that I have collected/read about  AlwaysOn Availability Groups.

Why Availability Groups?- It is the hottest topic in SQL Server 2012.

Since it is a new topic, Many database administrators and system administrators will have a lot of questions and hence will search the web for information. So I thought, why not aggregate the information and put it in one place.

 

I will try to keep the list as updated as possible.

So Here is the List.

 

Prerequisites, Restrictions, and Recommendations for AlwaysOn Availability Groups (SQL Server)

https://msdn.microsoft.com/en-us/library/ff878487(v=SQL.110).aspx#RestrictionsAG

General Info about Availability groups 

A series of Blog posts about AlwaysOn availability groups from BrentOzar PLF

https://www.brentozar.com/sql/sql-server-alwayson-availability-groups/ 

https://www.simple-talk.com/sql/database-administration/sql-server-2012-alwayson/

 

Configuring AlwaysOn with Powershell

https://blogs.msdn.com/b/sqlalwayson/archive/2012/02/03/configuring-alwayson-with-sql-server-powershell.aspx

 

Availability Group Listener

Video about AlwaysOn Availability Group Listener.

https://blogs.msdn.com/b/sqlalwayson/archive/2012/01/16/introduction-to-the-availability-group-listener.aspx

Creating Multiple listeners for the same availability group

https://blogs.msdn.com/b/sqlalwayson/archive/2012/02/03/how-to-create-multiple-listeners-for-same-availability-group-goden-yao.aspx

 

Sp_Server_diagnostics

https://blogs.msdn.com/b/psssql/archive/2012/03/08/sql-server-2012-true-black-box-recorder.aspx

 

Flexible failover policy

https://msdn.microsoft.com/en-us/library/ff878664(v=SQL.110).aspx

Readable Secondary

This Blog post by Remus Rusanu about Availability Groups is simple and easy to understand.

https://rusanu.com/2010/11/11/alwayson-high-availability-and-reads-scale-out/

The AlwaysOn Blog has excellent posts about Readable Secondaries. All the Internals that you want to learn about Active Secondaries
can be found here.(Temporary Statistics, Snapshot Isolation etc...)

https://blogs.msdn.com/b/sqlalwayson/archive/tags/alwayson_3a00_+readable+secondary/

Configuring Secondary Read Only Access

https://www.bidn.com/blogs/PatrickLeBlanc/ssis/2513/alwayson-configuring-secondary-read-only-access

Readable Routing

Blog post about Configuring Readable Secondary routing

https://blogs.msdn.com/b/jtarquino/archive/2011/12/12/configuring-a-readable-secondary-routing-in-sql-server-2012-alwayson.aspx

 

Wiki Article on Read only Routing

https://social.technet.microsoft.com/wiki/contents/articles/13503.read-only-routing-with-sql-server-2012-always-on-database-availability-groups-en-us.aspx?Sort=MostUseful&PageIndex=1

  

A Very handy script that will generate the ROR URL for you-  Written By matt Neerincx

https://blogs.msdn.com/b/mattn/archive/2012/04/25/calculating-read-only-routing-url-for-alwayson.aspx

AlwaysOn and Backups

An excellent 3-part series by fellow PFE ,Lisa Gardner on Backups on  Active Secondaries.

https://blogs.msdn.com/b/sqlgardner/archive/2012/07/18/sql-2012-alwayson-and-backups-part-1-offloading-the-work-to-a-replica.aspx

https://blogs.msdn.com/b/sqlgardner/archive/2012/07/21/sql-2012-alwayson-and-backups-part-2-configuring-backup-preferences-and-automating-backups.aspx

https://blogs.msdn.com/b/sqlgardner/archive/2012/08/28/sql-2012-alwayson-and-backups-part-3-restore.aspx

Availability Groups and Kerberos

A blog post by Robert about Using Availability Groups with Kerberos

https://blogs.technet.com/b/rhartskeerl/archive/2012/03/04/kerberos-and-availabilitygroups-what-you-need-to-know.aspx

Asymmetric Storage

Excellent Post by Pareekshit explaining about Asymmetric Storage.

https://www.sqlserverfaq.net/2012/09/16/when-do-we-need-asymmetric-storage-with-alwayson-fci-and-availability-storage/

Converting a Logshipping configuration to availability group

Blog post explaining ,how you can convert your existing Logshipping architecture to an Availability Group Architecture.

https://blogs.msdn.com/b/sqlalwayson/archive/2012/01/09/converting-a-logshipping-configuration-to-availability-group.aspx

 

 

Troubleshooting and Monitoring

 

Joe Sack’s blog post about the various wait statistics associated with Availability groups

https://www.simple-talk.com/sql/database-administration/a-first-look-at-sql-server-2012-availability-group-wait-statistics/

 

Another blog post by Joe Sack about  Always on Dashboard and the DMV’s behind the dashboard.

https://www.sqlskills.com/blogs/joe/post/Answering-Questions-with-the-AlwaysOn-Dashboard.aspx

 

Information about the  AlwaysOn Extended Event session –written by Jonathan Kehayias

https://www.sqlskills.com/blogs/jonathan/post/New-AlwaysOn_health-Extended-Events-Session-in-SQL-Server-2012-RC0.aspx

 

Monitoring with Powershell 

https://blogs.msdn.com/b/sqlalwayson/archive/tags/powershell/

 

 

 

Internals

Various Blog posts by the Customer Service and Support Team about the internals of AlwaysOn

https://blogs.msdn.com/b/psssql/archive/tags/alwayson/

 

FAQ

 

Allan Hirt  has an Excellent post on various questions on Availability Groups

https://www.sqlha.com/2012/04/13/allans-alwayson-availability-groups-faq/

 

My fellow PFE and friend Krishna has an Excellent one line answers for various Questions regarding AG

https://blogs.msdn.com/b/srgolla/archive/2012/09/17/sql-server-2012-always-on-faqs.aspx

 

Another FAQ blog post about AlwaysOn

https://blogs.technet.com/b/sqlman/archive/2011/08/14/sql-server-denali-alwayson-q-amp-a.aspx

 

 

 

White Papers

 

AlwaysOn Architecture Guides and Design Patterns

These Guides explain you about the various design patterns you can implement with AlwaysOn

  •       
    HA and DR using Failover Cluster Instances.(Multi Subnet)
  •       
    HA and DR using using Availability Groups.
  •   
    HA using FCI and DR using Availability Groups

 

https://blogs.msdn.com/b/sqlalwayson/archive/2012/07/03/alwayson-architecture-guides.aspx

Migration Guide:
Migrating to SQL Server 2012 Failover Clustering and Availability Groups from Prior Clustering and Mirroring Deployments

https://msdn.microsoft.com/en-us/library/hh923056.aspx

Comments

  • Anonymous
    September 18, 2012
    good.

  • Anonymous
    January 16, 2013
    My FAQ should arguably be here as well which I published last April. www.sqlha.com/.../allans-alwayson-availability-groups-faq

  • Anonymous
    January 16, 2013
    Oops! Disregard my last post :) Didn't see it. Thanks for including it.

  • Anonymous
    January 30, 2013
    My Pleasure Allan...Thanks for reading the blog post.