Lease Timeout VS HealthCheck Timeout - AlwaysON
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After all the reading this is what I understood. Is it correct?
LeaseTimeout is a simple heartbeat between SQL Server resource DLL and the SQL Server instance.
HealthCheck Timeout is related to sp_server_diagnostics run.
Why do we have two timeouts?
Also how do I change the LeaseTimeout? Is it through the cluster manager because I couldnt find any T-SQL command like below for HealthCheck Timeout
ALTER AVAILABILITY GROUP AG1 SET (HEALTH_CHECK_TIMEOUT = 40000);
sql-server sql-server-2014 availability-groups clustering
edited Jun 5 '17 at 17:22
Hadi
1,186617
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
After all the reading this is what I understood. Is it correct?
LeaseTimeout is a simple heartbeat between SQL Server resource DLL and the SQL Server instance.
HealthCheck Timeout is related to sp_server_diagnostics run.
Why do we have two timeouts?
Also how do I change the LeaseTimeout? Is it through the cluster manager because I couldnt find any T-SQL command like below for HealthCheck Timeout
ALTER AVAILABILITY GROUP AG1 SET (HEALTH_CHECK_TIMEOUT = 40000);
sql-server sql-server-2014 availability-groups clustering
edited Jun 5 '17 at 17:22
Hadi
1,186617
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
After all the reading this is what I understood. Is it correct?
LeaseTimeout is a simple heartbeat between SQL Server resource DLL and the SQL Server instance.
HealthCheck Timeout is related to sp_server_diagnostics run.
Why do we have two timeouts?
Also how do I change the LeaseTimeout? Is it through the cluster manager because I couldnt find any T-SQL command like below for HealthCheck Timeout
ALTER AVAILABILITY GROUP AG1 SET (HEALTH_CHECK_TIMEOUT = 40000);
sql-server sql-server-2014 availability-groups clustering
edited Jun 5 '17 at 17:22
Hadi
1,186617
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
After all the reading this is what I understood. Is it correct?
LeaseTimeout is a simple heartbeat between SQL Server resource DLL and the SQL Server instance.
HealthCheck Timeout is related to sp_server_diagnostics run.
Why do we have two timeouts?
Also how do I change the LeaseTimeout? Is it through the cluster manager because I couldnt find any T-SQL command like below for HealthCheck Timeout
ALTER AVAILABILITY GROUP AG1 SET (HEALTH_CHECK_TIMEOUT = 40000);
sql-server sql-server-2014 availability-groups clustering
sql-server sql-server-2014 availability-groups clustering
edited Jun 5 '17 at 17:22
Hadi
1,186617
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
edited Jun 5 '17 at 17:22
Hadi
1,186617
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
edited Jun 5 '17 at 17:22
Hadi
1,186617
edited Jun 5 '17 at 17:22
Hadi
1,186617
edited Jun 5 '17 at 17:22
Hadi
1,186617
1,186617
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
asked Jun 5 '17 at 5:24
jesijesijesijesi
898420
898420
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
1 Answer
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- The HealthCheck is between WSFC and SQL Server. The timeout is how long WSFC will wait to get data back from the
sp_server_diagnosticsexecution. - LeaseTimeout is the SQL Server resource and SQL Server Availability Group. How Lease Timeout works
There are two timeouts because they are for 2 different mechanisms for health of the WSFC and SQL Server. Both are changed via the WSFC property of the AG resource, picture is shown in the linked article above.
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
add a comment |
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1 Answer
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1 Answer
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- The HealthCheck is between WSFC and SQL Server. The timeout is how long WSFC will wait to get data back from the
sp_server_diagnosticsexecution. - LeaseTimeout is the SQL Server resource and SQL Server Availability Group. How Lease Timeout works
There are two timeouts because they are for 2 different mechanisms for health of the WSFC and SQL Server. Both are changed via the WSFC property of the AG resource, picture is shown in the linked article above.
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
add a comment |
- The HealthCheck is between WSFC and SQL Server. The timeout is how long WSFC will wait to get data back from the
sp_server_diagnosticsexecution. - LeaseTimeout is the SQL Server resource and SQL Server Availability Group. How Lease Timeout works
There are two timeouts because they are for 2 different mechanisms for health of the WSFC and SQL Server. Both are changed via the WSFC property of the AG resource, picture is shown in the linked article above.
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
add a comment |
- The HealthCheck is between WSFC and SQL Server. The timeout is how long WSFC will wait to get data back from the
sp_server_diagnosticsexecution. - LeaseTimeout is the SQL Server resource and SQL Server Availability Group. How Lease Timeout works
There are two timeouts because they are for 2 different mechanisms for health of the WSFC and SQL Server. Both are changed via the WSFC property of the AG resource, picture is shown in the linked article above.
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
- The HealthCheck is between WSFC and SQL Server. The timeout is how long WSFC will wait to get data back from the
sp_server_diagnosticsexecution. - LeaseTimeout is the SQL Server resource and SQL Server Availability Group. How Lease Timeout works
There are two timeouts because they are for 2 different mechanisms for health of the WSFC and SQL Server. Both are changed via the WSFC property of the AG resource, picture is shown in the linked article above.
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
answered Jun 5 '17 at 7:42
Shawn MeltonShawn Melton
14.5k43882
14.5k43882
add a comment |
add a comment |
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