MultiSubnet Failover with RegisterAllProvidersIP 1Adding a distributor for availability groupsMulti Subnet...
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MultiSubnet Failover with RegisterAllProvidersIP 1
Adding a distributor for availability groupsMulti Subnet Availability Group IP Requirement for Windows Failover ClusterDistributed Availability groups & ListenersServices Cannot Connect to Multi-Subnet Availability Group After FailoverAvailability Groups using Multi-Subnet Clustering: Preferred Owners for Roles and Possible Owners for AG Listener IPsadding node to existing availability groupAvailability Groups using Multi-Subnet Clustering: AG listener failed pingMixing 2 and 3 node AG on a single WSFC?Performance gain with MultiSubnetFailover for single subnetListener IP not changing after failover
I am using a 2 node SQL AG (2014 EE) (each on a different subnet) and the Listener is configured with 2 Static IPs. The client application uses SQL Native Client 11.4.
My understanding is that this driver is legacy and hence should not support failover with RegisterAllProvidersIP as 1 and default HostRecordTTL( 20 minutes).
Although I am unable to failover when RegsiterAllProvidersIP is 0 and TTL is 20 minutes (I am able to when TTL is lowered to say, 2 minutes), the application successfully fails over with RegisterAllProvidersIP set as 1.
According to the blog here, https://blogs.msdn.microsoft.com/alwaysonpro/2014/06/03/connection-timeouts-in-multi-subnet-availability-group/
It is recommended to set RegisterAllProvidersIP to 0 and HostRecordTTL to 2 minutes to achieve failover, but in my case I found that it is not needed as I am able to failover with RegisterAllProvidersIP set as 1.
Am I completely missing the point of recommended settings from MS blog or my multi subnet setup has any issues?
availability-groups failover
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
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I am using a 2 node SQL AG (2014 EE) (each on a different subnet) and the Listener is configured with 2 Static IPs. The client application uses SQL Native Client 11.4.
My understanding is that this driver is legacy and hence should not support failover with RegisterAllProvidersIP as 1 and default HostRecordTTL( 20 minutes).
Although I am unable to failover when RegsiterAllProvidersIP is 0 and TTL is 20 minutes (I am able to when TTL is lowered to say, 2 minutes), the application successfully fails over with RegisterAllProvidersIP set as 1.
According to the blog here, https://blogs.msdn.microsoft.com/alwaysonpro/2014/06/03/connection-timeouts-in-multi-subnet-availability-group/
It is recommended to set RegisterAllProvidersIP to 0 and HostRecordTTL to 2 minutes to achieve failover, but in my case I found that it is not needed as I am able to failover with RegisterAllProvidersIP set as 1.
Am I completely missing the point of recommended settings from MS blog or my multi subnet setup has any issues?
availability-groups failover
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
New contributor
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I am using a 2 node SQL AG (2014 EE) (each on a different subnet) and the Listener is configured with 2 Static IPs. The client application uses SQL Native Client 11.4.
My understanding is that this driver is legacy and hence should not support failover with RegisterAllProvidersIP as 1 and default HostRecordTTL( 20 minutes).
Although I am unable to failover when RegsiterAllProvidersIP is 0 and TTL is 20 minutes (I am able to when TTL is lowered to say, 2 minutes), the application successfully fails over with RegisterAllProvidersIP set as 1.
According to the blog here, https://blogs.msdn.microsoft.com/alwaysonpro/2014/06/03/connection-timeouts-in-multi-subnet-availability-group/
It is recommended to set RegisterAllProvidersIP to 0 and HostRecordTTL to 2 minutes to achieve failover, but in my case I found that it is not needed as I am able to failover with RegisterAllProvidersIP set as 1.
Am I completely missing the point of recommended settings from MS blog or my multi subnet setup has any issues?
availability-groups failover
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
New contributor
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I am using a 2 node SQL AG (2014 EE) (each on a different subnet) and the Listener is configured with 2 Static IPs. The client application uses SQL Native Client 11.4.
My understanding is that this driver is legacy and hence should not support failover with RegisterAllProvidersIP as 1 and default HostRecordTTL( 20 minutes).
Although I am unable to failover when RegsiterAllProvidersIP is 0 and TTL is 20 minutes (I am able to when TTL is lowered to say, 2 minutes), the application successfully fails over with RegisterAllProvidersIP set as 1.
According to the blog here, https://blogs.msdn.microsoft.com/alwaysonpro/2014/06/03/connection-timeouts-in-multi-subnet-availability-group/
It is recommended to set RegisterAllProvidersIP to 0 and HostRecordTTL to 2 minutes to achieve failover, but in my case I found that it is not needed as I am able to failover with RegisterAllProvidersIP set as 1.
Am I completely missing the point of recommended settings from MS blog or my multi subnet setup has any issues?
availability-groups failover
availability-groups failover
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
New contributor
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
New contributor
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
New contributor
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
asked 7 mins ago
Shubha LakshmiShubha Lakshmi
1
1
New contributor
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Shubha Lakshmi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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