Looks Alive
check:Looks alive check is a basic resource health check to verify that the service(SQL service in our context) is running properly. To perform this , cluster service queries the windows service control manager to check the status of the service. By default looks alive check will happen in every five seconds.
An exhaustive check
to verify that a resource is running properly. If this check fails, the
resource is moved offline and the failover process is triggered. During the Is
alive check the cluster service connects to the SQL server instance and execute
select @@SERVERNAME. It will check only the SQL server instance availability
and does not check the availability of user databases.
check:Looks alive check is a basic resource health check to verify that the service(SQL service in our context) is running properly. To perform this , cluster service queries the windows service control manager to check the status of the service. By default looks alive check will happen in every five seconds.
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