While planning to configure always on availability group for first time on a multi subnet cluster found following use articles, it provides clear picture in terms of design and architecture, our requirement was to build SQL 2012 cluster on DC1 along with a reporting standalone SQL instance in same DC1, along with it, we want to have DR solution in DC2 where two standalone SQL instances are present on their respective server, to achieve this […]

    For setting up replication on AlwaysOn availability group in SQL Server 2012 and above, following need to be taken care to ensure replication will work irrespective of the AAG placement.   The following sections build the environment described above:   Configure a remote distributor Configure the Publisher at the original Publisher Configure Remote distribution on possible publishers Configure the Secondary Replica Hosts as Replication Publishers Redirect the Original Publisher to the AG Listener […]

Starting Windows 2012, Windows cluster supports asymmetric disks which is required for Cluster participating in Always ON technology hence is a useful concept to be aware of,   http://www.sqlserverfaq.net/2012/09/16/when-do-we-need-asymmetric-storage-with-alwayson-fci-and-availability-storage/   https://social.technet.microsoft.com/Forums/windows/en-US/493bf438-eb9d-405c-81c5-42aaa31eef8a/configure-asymmetric-storage-for-crosssite-windows-failover-cluster?forum=winserverClustering