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SQL Always On - Database becomes inaccessible through Listener after failover
Always On configuration with 2 Azure SQL VMs and Cloud Witness. Server1 - Primary Node Server2 - Secondary Node Listener1 - AlwaysOn Listener I connect to SQL instance through Listener1. All looks...
View ArticleMultiple instance of CRM Async service running in SQL Server Windows Fail...
How should we install and configure CRM Async service in a Clustered SQL Instance (Windows Fail Over Clustering) so that only one instance of Async services should run on an Active/Passive node. While...
View ArticleUnused Indexes in alwayson
I have two nodes in alwayson, primary is used for write and i have used secondary for read. The usage of indexes is different in the two servers. How can I properly determine the unused indexes?I have...
View ArticleSQL Server 2019 log shipping setting error on Linux. 'Log shipping is not...
Hi, We have running SQL server 2019 on CentOS 7. The error we get when we try to enable log shipping is: RegQueryValueEx() returned error 2, 'The system cannot find the file specified.' Msg 22001,...
View ArticleCreating Availability Group Listener failed with error "Cannot complete this...
Hello Experts,After I created an Availability Group in Always On High Availability in SSMS, I was trying to create a listener in Availability Group Listeners. In the creation wizard after put in the...
View ArticleAAG DB restore using Azure backup
Hi there,Can anyone point me in the direction of a step by step guide to restore a SQL database which is in an AAG using Azure backup please? I can only find instructions using native SQL backup. I...
View ArticleManual failover without data loss not working in SQL2019
Hi,I was wondering if you can help. I have setup two Linux SQL2019 CU3 instances on Ubuntu with HA enabled and I get an error when I execute: ALTER AVAILABILITY GROUP [ag6x52] SET (ROLE = SECONDARY);...
View Articlemdf file corruption on primary replica
Suppose I have a database have two file group . one of the file in the second filegroup is corrupt in the primary replica .I failover the AG to another replica . So now is it possible to restore the...
View ArticleChange iSCSI to VHDs
Hi,Is it possible to change iSCSI drives to the new VHDs attached to hyper-v SQL 2016 Cluster nodes and copy the data from DB, LOG and Quorum from iSCSI to VHDs and then remove ISCSI drives?Thanks.
View ArticleAlwaysOn Issue
Hi,I found the below error:When i get the alert immediately check and found below error. not any other errors:Error: 35250, Severity: 16, State: 13. The connection to the primary replica is not active....
View ArticleAG Group point-in-time recovery
If I want to do a point-in-time recovery of a AG database, what's the proper procedure ??If it possible to point in time recovery of to a secondary replica 's database , and sync back to primary replica ?
View ArticleUpdate Server nodes, Cluster, Listener IP address of AvailabilityGroup...
We got 2-node AlwaysOn environment in same subnet but due to risks identified with network configuration, these Server nodes (both) will be moved to a new subnet (each node to different subnet) and we...
View ArticleLog backup in AlwayOn 2016
Hi,We are taking log backups for every 15 mins and Full backup weekly.My question is, what happens if failover happens before next log backup schedule?Does it quick full backup or contine with log...
View ArticleSQL 2012 installation for Failover Cluster failed
While installation of SQL 2012 on FOC validation fails on "Database Engine configuration" page with following error:------------------------------ The volume that contains SQL Server data directory...
View ArticleDistributed Availability Group - Secondary AG is in disconnected state
I've configured AG1 with PROD_DB1 & PROD_DB2, AG2 with DR_DB1 & DR_DB2. Endpoint configured with service account. Database is synchronized on DR_DB1 & Restoring state on DR_DB2. I cannot...
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database level health detection
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/sql-server-always-on-database-health-detection-failover-option?view=sql-server-ver15from the above link there is a...
View ArticleSQL2012 Cluster upgrade to SQL2016 cluster upgrade installation steps
SQL2012 Cluster upgrade to SQL2016 cluster upgrade installation steps best practices
View ArticleUnable to set listener IP on Multiple Availability Groups
Hi All,I have 3 Databases and for each Database I have set up Availability Group. On 1st Group I have setup listener IP. Using the same Listener IP I am able to access other Groups as well. But when I...
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Set secondary Log Shipping
Hi, I have a DB cluster based on Windows Server 2008 R2 and SQL server 2008 (version 10.0.4064.0) and I set a log shipping with the same software level.Now I would add a new Log Shipping on Windows...
View ArticleFirewall ports for endpoints
We're bringing up a new 2017 AlwaysOn AG cluster. 2 HA and 1 DR nodes. Each node will host multiple instances. Named instances will have non-default ports. Node1/Instance1 will use the same port...
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