Cube Synchronisation Scale Out Methods

There are 4 Analysis Services Synchronisation Methods

• Analysis Services Synch Method
• Backup/Restore Database
• Attach/Detach Database
• Robocopy Method

You can read more after the Querying and Processing cubes for scale out section

http://sqlcat.com/sqlcat/b/technicalnotes/archive/2008/03/16/analysis-services-synchronization-best-practices.aspx

Synchronize Analysis Services Databases
http://msdn.microsoft.com/en-us/library/ms174928.aspx

Other useful articles for scaling out Analysis Services are

REAL PRACTICES: Performance Scaling Microsoft SQL Server 2008 Analysis Services at Microsoft adCenter
http://sqlcat.com/sqlcat/b/whitepapers/archive/2011/03/14/real-practices-performance-scaling-microsoft-sql-server-2008-analysis-services-at-microsoft-adcenter.aspx

Scale-Out Querying with Analysis Services
http://sqlcat.com/sqlcat/b/whitepapers/archive/2007/12/16/scale-out-querying-with-analysis-services.aspx (download white paper http://technet.microsoft.com/library/Cc966449 )

Analysis Services 2008 R2 Performance Guide
Includes
Design Patterns for Scalable Cubes
Tuning Query Performance
Tuning Processing Performance
Special Considerations
http://sqlcat.com/sqlcat/b/whitepapers/archive/2011/10/10/analysis-services-2008-r2-performance-guide.aspx