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What to do if SQL Server database is not synchronizing?
Solution Restart the SQL Server instance hosting the secondary replica. This will initiate recovery on all databases including availability group databases, and so long as SQL Server can access all the database files, the availability group database affected should recover successfully and resume synchronization with the primary replica.
When to report a database as not synchronizing / recovery pending?
In the event the log file is or was inaccessible, SQL Server will offline the database and report the database in Recovery Pending state. In this scenario, the database is defined in an availability group, and therefore will be reported in SQL Server Management Studio as ‘Not Synchronizing / Recovery Pending.
When to use merge replication in SQL Server?
SQL Server Replication. Merge replication is primarily designed for mobile applications or distributed server applications that have possible data conflicts. Common scenarios include: exchanging data with mobile users; consumer point of sale (POS) applications; and integration of data from multiple sites.
When to use transactional replication in SQL Server?
SQL Server Replication. Transactional replication is typically used in server-to-server scenarios that require high throughput, including: improving scalability and availability; data warehousing and reporting; integrating data from multiple sites; integrating heterogeneous data; and offloading batch processing.
Why is the availability group database not synchronizing?
Again, confirm if the current availability group issue resulted when SQL Server was unable to access the database files. The error log on the secondary reports the problem during redo (term for availability group ongoing recovery of secondary availability group database) accessing log file and so the database is suspended.
How does syncstudio help with database synchronization?
SyncStudio is a patent pending software tool that solves the issue of mobile database synchronization completely in an easy to use and affordable manner. One way to describe SyncStudio is “Freedom from pain and suffering when adding synchronization to your mobile database application”.
How does data sync work in SQL Azure?
Data Sync creates tables in this database and runs a frequent workload. This database is shared as the Sync Metadata Database for all sync groups in a selected region and subscription. You can’t change the database or its name without removing all sync groups and sync agents in the region.