Why do i need ILB for a Azure SQL AlwaysOn setup in a VnetSQL Server 2012 AlwaysOn: need to automatically add...
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Why do i need ILB for a Azure SQL AlwaysOn setup in a Vnet
SQL Server 2012 AlwaysOn: need to automatically add databases by script- T-sql or PowerShellSQL Server AlwaysOn Error_number 35206SQL AlwaysOn Failover Due to Missed HeartbeatsSQL Service Broker and AlwaysOn IssueSQL AlwaysOn Data SyncConfiguring SQL Server AlwaysOn in AWSReaching SQL Server AlwaysOn HA listener from the InternetSQL Server 2016 AlwaysOn VDI_CLIENT_WORKER command
We are trying to setup SQL server alwayson for an application, but as per the documentation we need the ILB to map the listener. Just want to understand why do i need the ILB in the VNet if there is no public access required/ every resource is available in the local network?
Thanks,
Abhisek
sql-server-2016 availability-groups azure
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
bumped to the homepage by Community♦ 5 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 |
We are trying to setup SQL server alwayson for an application, but as per the documentation we need the ILB to map the listener. Just want to understand why do i need the ILB in the VNet if there is no public access required/ every resource is available in the local network?
Thanks,
Abhisek
sql-server-2016 availability-groups azure
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
bumped to the homepage by Community♦ 5 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 |
We are trying to setup SQL server alwayson for an application, but as per the documentation we need the ILB to map the listener. Just want to understand why do i need the ILB in the VNet if there is no public access required/ every resource is available in the local network?
Thanks,
Abhisek
sql-server-2016 availability-groups azure
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
We are trying to setup SQL server alwayson for an application, but as per the documentation we need the ILB to map the listener. Just want to understand why do i need the ILB in the VNet if there is no public access required/ every resource is available in the local network?
Thanks,
Abhisek
sql-server-2016 availability-groups azure
sql-server-2016 availability-groups azure
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
asked Nov 14 '17 at 22:23
Linu1988Linu1988
42115
42115
bumped to the homepage by Community♦ 5 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♦ 5 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
1
active
oldest
votes
Internal Load Balancer (ILB) requires Internal VIP as they are Layer 4 (TCP) load balancer where as external Load Balancer requires Public IP's as they function at layer 7 (DNS).
When we put the Azure Resources in Availability Set, for sure you wish to apply rules on how incoming request will be distributed inside the Availability Group/Set so that if any resources is offline for some region such as maintenance, still user's or application request will be entertained by your SQL Server. Its the part of Business Continuity solution with higher SLA rate however their could be a performance impact. Moreover, you can troubleshoot the issues and bring back your resource online and get same performance as expected.
This will be possible with the help of Internal Load Balancer which will be listening/monitoring your SQL Instance health.
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
add a comment |
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1 Answer
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Internal Load Balancer (ILB) requires Internal VIP as they are Layer 4 (TCP) load balancer where as external Load Balancer requires Public IP's as they function at layer 7 (DNS).
When we put the Azure Resources in Availability Set, for sure you wish to apply rules on how incoming request will be distributed inside the Availability Group/Set so that if any resources is offline for some region such as maintenance, still user's or application request will be entertained by your SQL Server. Its the part of Business Continuity solution with higher SLA rate however their could be a performance impact. Moreover, you can troubleshoot the issues and bring back your resource online and get same performance as expected.
This will be possible with the help of Internal Load Balancer which will be listening/monitoring your SQL Instance health.
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
add a comment |
Internal Load Balancer (ILB) requires Internal VIP as they are Layer 4 (TCP) load balancer where as external Load Balancer requires Public IP's as they function at layer 7 (DNS).
When we put the Azure Resources in Availability Set, for sure you wish to apply rules on how incoming request will be distributed inside the Availability Group/Set so that if any resources is offline for some region such as maintenance, still user's or application request will be entertained by your SQL Server. Its the part of Business Continuity solution with higher SLA rate however their could be a performance impact. Moreover, you can troubleshoot the issues and bring back your resource online and get same performance as expected.
This will be possible with the help of Internal Load Balancer which will be listening/monitoring your SQL Instance health.
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
add a comment |
Internal Load Balancer (ILB) requires Internal VIP as they are Layer 4 (TCP) load balancer where as external Load Balancer requires Public IP's as they function at layer 7 (DNS).
When we put the Azure Resources in Availability Set, for sure you wish to apply rules on how incoming request will be distributed inside the Availability Group/Set so that if any resources is offline for some region such as maintenance, still user's or application request will be entertained by your SQL Server. Its the part of Business Continuity solution with higher SLA rate however their could be a performance impact. Moreover, you can troubleshoot the issues and bring back your resource online and get same performance as expected.
This will be possible with the help of Internal Load Balancer which will be listening/monitoring your SQL Instance health.
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
Internal Load Balancer (ILB) requires Internal VIP as they are Layer 4 (TCP) load balancer where as external Load Balancer requires Public IP's as they function at layer 7 (DNS).
When we put the Azure Resources in Availability Set, for sure you wish to apply rules on how incoming request will be distributed inside the Availability Group/Set so that if any resources is offline for some region such as maintenance, still user's or application request will be entertained by your SQL Server. Its the part of Business Continuity solution with higher SLA rate however their could be a performance impact. Moreover, you can troubleshoot the issues and bring back your resource online and get same performance as expected.
This will be possible with the help of Internal Load Balancer which will be listening/monitoring your SQL Instance health.
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
answered Nov 17 '17 at 4:01
Delta DDelta D
7614
7614
add a comment |
add a comment |
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