Find the SQL Server Cluster details
Scenario
A cluster includes two or more physical servers, called nodes; identical configuration is recommended. One is identified as the active node, on which a SQL Server instance is running the production workload, and the other is a passive node, on which SQL Server is installed but not running. In this post, we have tried to share a few ways to gather information about any running SQL cluster setup.
How will you find whether the SQL Server is configured in a failover cluster?
Using TSQL query
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-- ================================================================= -- FAQ: How to check SQL Server environment? (Cluster or nonclustered) -- ================================================================= -- Query select SERVERPROPERTY ('iscluster') -- Result -- 0 - For standalone enviroment -- 1 - For Cluster enviroment |
Result (This returns a 0=NO or 1=YES)
How will you find the node that the SQL Server is currently running on?
Using TSQL query
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SELECT SERVERPROPERTY('ComputerNamePhysicalNetBIOS') |
Result
Find cluster nodes by querying a DMV
We can also find cluster nodes by querying a data management view (DMV), but this DMV doesn’t show which nodes are active.
Using DMV
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SELECT * FROM sys.dm_os_cluster_nodes |
Result
Find information from SERVERPROPERTY
We can also find Machine Name, Server Name & Instance Name by below SERVERPROPERTY
Using TSQL statement
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SELECT SERVERPROPERTY ('MachineName') as [Machine Name] SELECT SERVERPROPERTY('InstanceName') as [Instance Name] SELECT SERVERPROPERTY('ServerName') as [Server Name] |
Result
Find the SQL cluster details & status all together!
Using TSQL query
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-- ===================================================== -- Owner: Soyeluddin Biswas == Date: 08/11/2019 -- Email: soyel@ourtechideas.com & st.biswas99@gmail.com -- ===================================================== use master go select @@SERVERNAME as [SQL Instance] ,NodeName as [Cluster Node] ,CASE WHEN status=0 THEN 'RUNNING' WHEN status=1 THEN 'Down' WHEN status=2 THEN 'Paused' WHEN status=3 THEN 'Joining' WHEN status=-1 THEN 'Unknown' END as [Node Status] ,CASE WHEN is_current_owner=0 THEN 'No' WHEN is_current_owner=1 THEN 'Yes' END as [Current Owner] from sys.dm_os_cluster_nodes |
Result
Using Failover Cluster Manager GUI
Open Failover Cluster Manager and click on Roles. Then go to the bottom of the window and click on Resources. You will get the same cluster information as described in the below screenshot.
when you click on nodes, you will see all the nodes participated in the cluster.
