Category: High Availability and Disaster Recovery
-
Script: Check AG Replica Role and Synchronization State
This script returns the current role, synchronization state, health status, and failover configuration for replicas participating in an Always On Availability Group. It is commonly used during failover validation, replica troubleshooting, and general high availability health checks. The Script Example Output The result set shows one row per replica in each Availability Group. Important columns…
Written by
-
Script: Check Always On Availability Group Latency
This script returns replication latency information for databases participating in an Always On Availability Group (AG). It shows how far each secondary database is behind the primary, the redo queue size, redo rate, and an estimated recovery completion time. It helps identify AG latency, redo backlog, and data movement delays between primary and secondary replicas.…
Written by
Blog Categories
Latest Posts
- Script: Get SQL Server CPU Topology and Core Counts
- Script: Generate Test Databases
- Troubleshooting Database Mirroring Issues in SQL Server
- Get Current Date & Time in SQL Server
- Creating SQL Logins on an Availability Group (AG) Environment
- Grant VIEW SERVER STATE in SQL Server
Blog Tags
Always On Availability Groups (4) Database Backups & Recovery (10) Database Maintenance (7) DBA Tools (29) Performance Troubleshooting (9) PowerShell (4) Query Behaviour (4) Schema Changes (1) SQL Agent (1) SQL Interview Questions (1) SQL Scripts (25) SQL Server Administration (9) SQL Server Configuration (7) SQL Server Errors (5) SQL Server High Availability (4) SQL Server Internals (4) SQL Server Management Studio (SSMS) (7) SQL Server Monitoring (10) SQL Server Networking (9) SQL Server Replication (1) SQL Server Security (8) SQL Server Versions (2) Storage and Capacity (14) T-SQL (9) Transaction Logs (8) Troubleshooting (14) Windows Server (4)