AGDIAG
AGDiag diagnoses and reports failover and health events detected in the Cluster log of the primary replica.
AGDIAG will detect and report on these issues:
* Detect and analyze Cluster or SQL health issues that cause availability group to fail over or go offline.
* Detect and analyze Cluster or SQL health issues that cause SQL Failover Cluster Instance to fail over or go offline.
* Detect and analyze why availability group failed to failover to failover partner during manual or automatic failover attempt.
HOW TO USE
1 Collect logs from the replica in the primary role when the health issue occurred using one of these tools:
SQL Log Scout, collect Scenario 0: Available on GitHub (https://github.com/microsoft/SQL_LogScout)
TSS, SQL Base Diagnostic collection: Available on GitHub (https://github.com/walter-1/TSS)
PSSDiag: Available on GitHub (https://github.com/microsoft/DiagManager/releases/)
2 Unzip the logs in a folder.
3 Launch AGDiag and select the log folder containing the unzipped logs.
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