SQL Cluster Drives moving automatically
Hi, We have 4 different SQL Clusters and every SQL cluster have 2 nodes, the issue is SQL cluster drives are moving automatically to other node, we have to move preferred owner manually. OS: Server...
View ArticleAlways On availability groups SQL Server standard edtiona vs enterprise editaion
Based on this post, https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/basic-availability-groups-always-on-availability-groups?view=sql-server-ver15With SQL Server...
View ArticleAG groups and cluster witness
Hello,We are currently running SQL2014 ent on Windows 2012. We have a 2 node cluster with 4 SQL AG, 2 primary replica residing on node1 and 2 residing on node2 for load balancing purposes. We also...
View ArticleCluster restart MSDTC and SQL Server role
When it comes to require the cluster node. it is best to failover the MSDTC first or failover the SQL server role first ?
View ArticleSQL Networks Interfaces error 26
Hello please help,,I'm trying to login to my sql server Express instead am getting these errors .[A network-related or instance-specific error occurred while establishing a connection to SQL Server....
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Failback Setting
What does it actually mean when I choose Fallback between 4 - 8 ?? Mean 4:00am and 8:00am ??
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Windows heartbeat network
May I is the below option equal to Internal = Cluster Enabled = Cluster and Client ?the following screen caps from Windows 2008 cluster
View ArticleSQL Server Cluster Instance (FCI) SSMS lag
When i setup an SQL server Failover Cluster Instance, i always got lag with SQL server management studio (SSMS) . Even you do it on active node or passive node, need some second to take response from...
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Run this resource in a separate Resource Monitor setting
Where can I find the definition of this cluster resource setting ?Runthisresourceinaseparate Resource MonitorHow does it make the difference ?
View ArticleWindows Failover cluster Witness disk failover
Suppose I am having 2 node cluster with a witness disk . When the node need to reboot / shutdown for maintence .if the current owner of the witness disk is the node that need to reboot, is it...
View ArticleLookAlive vs Isalive vs leasetimeout
In Failover cluster, the sql server resource has LookAlive (Simple check 5 secs) , Isalive (1 min) and the leasetimeout (20s , and 5s triggered once)what are their relationship ?
View ArticleDecommissioning SQL Server 2014 AG - need to understand Lisencing part
Hello, I am decommissioning 2 nodes AlwaysOn cluster with SQL Server 2014 - 20 cores each server.and I am building new 2 nodes AlwaysOn cluster with SQL server 2016 - 20 cores each server.My question...
View Articletrace flag 3923
Any one know if trace flag 3923 still have to be explicitly added to SQL Server instance 2017 ??...
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Encrypting the endpoint mirroring connection
I have an AG with 4 replicas. How to do the encryption on the ENDPOINT ?
View ArticleAre there list for all event ID related to Always-on Availability group
Hi All. Are there any MSDN link talking about a list of all the Event ID for Always-On AG ….??like replica down/failover/ force failover/ session timeout/ Cluster node failover...….etc...
View ArticleSQL Server Cluster is offline but AG works
I am trying to understand the AG scenario that is configured in the past and is working currently. This is a multi subnet scenario but the cluster was configured with just 1 IP address. Probably a...
View ArticleSome details on the AAG , FORCE_FAILOVER_ALLOW_DATA_LOSS
Hi. I may need to understand more on the failover option FORCE_FAILOVER_ALLOW_DATA_LOSS1. Suppose I am failing other to a ASYNC node, I need to use FORCE_FAILOVER_ALLOW_DATA_LOSS. After doing that, the...
View Articledelete data from a read only partition
Hi, our database is partitioned and data older than 12 months goes into a read only partition by the DBA. However, i now have a requirement to start deleting data, will probably be older than 7 years....
View ArticleMake Availability group know how to failover when tempdb drive is offline
I have two nodes Availability Group . And each replica have a separate drive for tempdbsuppose in the Primary replica, the tempdb drive is offline/or has problem. the AG doesn't failover ……. How to...
View ArticleAlways ON AG Replicas out of sync
Hi. Been a while since I maintained an Always On cluster. I now have a typical Always On AG cluster setup (as a test cluster): Node1 = HA, Node2 = HA, Node3 = DR. Node1 has multiple databases and...
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