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What we will cover
SQL 2012 AlwaysOn
SQL 2012 AlwaysOn
Hype or Reality?
History of AlwaysOn Availability Groups
Background and Predecessor Technologies
Comparison of AlwaysOn with other SQL HA
     Greatly Improved HA and DR


    High Availability and Disaster                  Potential    Potential
                                                                              Automatic    Readable
              Recovery                              Data Loss    Recovery
                                                                               Failover   Secondaries
                                                     (RPO)      Time (RTO)
        SQL Server Solution
AlwaysOn Availability Group - synchronous-            Zero        Seconds        Yes         0-2
commit


AlwaysOn Availability Group - asynchronous-          Seconds      Minutes        No          0-4
commit


AlwaysOn Failover Cluster Instance                     NA         Seconds        Yes          NA
                                                                -to-minutes

Database Mirroring - High-safety (sync + witness)     Zero        Seconds        Yes          NA



Database Mirroring - High-performance (async)        Seconds      Minutes        No           NA



Log Shipping                                         Minutes      Minutes        No        Not during
                                                                 -to-hours                  a restore

Backup, Copy, Restore                                 Hours       Hours          No        Not during
                                                                 -to-days                   a restore
AlwaysOn Availability Groups
Design Options
AlwaysOn Availability Groups
Read-only Farms
Design Options for SQL 2012
Sample Design
                        •   Two AGs
                        •   Content AG
                            with four
                            replicas –
                            Synch and
                            Asynch
                        •   Service
                            App/Farm DBs
                            on separate
                            AG, 2 Synch
                            copies only
                        •   Read-only
                            farm in remote
                            office attached
                            to content DB
                            copy
                        •   DR farm in
                            remote DC on
                            standby to
                            connect to
                            content DB
                            copy
AlwaysOn Availability Groups for SharePoint
 Improving Data Tier High Availability and Disaster Recovery




CAVEAT
AlwaysOn Availability Groups
Version Requirements


                             Enterprise



                       Enterprise
AlwaysOn Availability Groups
Prerequisites and Requirements – Windows OS




    http://support.microsoft.com/kb/976097
    http://support.microsoft.com/kb/2494036
    http://support.microsoft.com/kb/2531907
    http://support.microsoft.com/kb/2616514
    http://support.microsoft.com/kb/2654347
    http://support.microsoft.com/kb/980915

    http://support.microsoft.com/kb/2578113

    http://support.microsoft.com/kb/2582281
AlwaysOn Availability Groups
Prerequisites and Requirements – SQL Server
Creating AlwaysOn Availability Groups
Step 1: Create Windows Server Failover Cluster (WSFC)
Creating AlwaysOn Availability Groups
Step 2: Prepare Nodes
Creating AlwaysOn Availability Groups
Step 2: Enable AlwaysOn on each SQL Node
Creating AlwaysOn Availability Groups
Step 3: Create the Availability Group
Creating AlwaysOn Availability Groups
Step 3: Create the Availability Group – Continued…
Creating AlwaysOn Availability Groups
Step 3: Create the Availability Group – Continued…
Creating AlwaysOn Availability Groups
Step 4: Create the Availability Group Listener
Session Summary
SQL 2012 AlwaysOn Availability Groups for SharePoint 2010
Michael Noel
     Twitter: @MichaelTNoel
            www.cco.com
Slides: slideshare.net/michaeltnoel


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SPSIndia 2012 - SQL 2012 AlwaysOn Availability Groups for SharePoint 2010/2013