Recover data from ldf file
How to retrieve data from ldf file? There is a day older full backup file. I could not attach database because mdf file is not working. Now I need to use the full backup file and ldf file to retrieve...
View ArticleAlways on Automatically failed over to secondary node.
Hi All,I am using SQL server 2014, I have 2 node AOA setup ( node1 and node2), Node1 ( primary ) and Node2 (secondary) and using synchronous commit Availability mode.I have hosted my environments in...
View Articleinstall service pack
Hi,we have setup SQL 2016 with 2 nodes AG. Can some one direct me to a document on how to install service pack 1 on a SQL servers on both nodes?ThanksShahin
View ArticleUnexpected Failover Happened
We have a database in AG on SQL Server2012 Ent (Windows is Windows Server2012 R2) . It has two nodes as N1 and N2 . An unexpected issue occurred on N1 but some how failover didn't happened . It has...
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Always-on On multi-domain cluster.
I have read the following link about creating multi-domain cluster and use...
View ArticleHA Pair IP address automatically created in DNS
Hi there, We recently set up SQL HA using SQL 2016. We have noticed that the secondary DNS A records have been created for the availability group in our zone automatically. If we delete them they come...
View Articleuser creation
Hi,We having an issue with one of our application that uses SQL 2016 AG.we have an application that using SQL authentication and has its own configaration program for creating users in DB.When...
View ArticleHADR Role by T-SQL
I would like to get the following info by TSQL:- SQL ListenerAvailability ReplicasRolePSQLXYZServer1PrimaryPSQLXYZServer2SecondaryPSQLXYZServer3SecondaryHow DO I get it? Thanks
View ArticleSQL Server 2014 Managed Backup to Azure - Full database backups are not being...
Lately my SQL Server 2014 (in an AlwaysOn availability group with one active and one passive node) full backups have not been saving to Azure, the logs are saving great, it is just the daily fulls that...
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SQL failover cluster setup - unable to connect
Hi,I am testing a failover cluster setup for the first time using virtual machines in azure and sql server 2019 in a totally isolated environment (fake domain etc.). After some youtube videos I managed...
View ArticleQuorum voting in our SQL 2016 AAG cluster environment
Hello, We have SQL 2016 Alwayson AAG setup. There are 2 nodes in Primary Data center. 1 Node in DR data center. And one file share witness. All are participating in the quorum voting. I know DR node...
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Availability Group and Distributed Availability Group for DR
We are planning to have 3 WSFC with two database server each for on each node of the WSFC as Primary and Secondary.We also need a DR on another WSFC, my guess is that we need two Servers to create a AG...
View ArticleAvailability Group not failing over as expected
Hi AllWe have a SQL Always on availability group consisting of 2 nodes 'Node A' and 'Node B'. We have configured the patching reboot windows for these servers in such a way that 'Node A' always reboots...
View ArticleSQL 2016 Enterprise Availability Group Chaining Question
We are in the process of upgrading a set of servers from SQL2008R2 to SQL2016.The source SRV1 is SQL2008R2 and the target SRV2 is SQL2016. Right now I replicate the data in a single database DB1 using...
View ArticleSQL Active Passive cluster on Standard Edition
Can we install SQL Cluster (i.e Active/Passive) with SQL 2014/2016 Standard Edition.
View ArticleRemove database from AOAG
HI,We have 50 databases in always on availability groups and we want to remove all the databases from AOAG and run standalone. what is best method to do this without data loss. 1. Build new server and...
View ArticleIs it possible to take the DB on Primary to Read-only mode after i suspend...
We have an AG setup with Primary and secondary replica on same DC, we are planning an migration from one DC to another and the DB size is close to 6 TB we are planning to take the DB Full backup...
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Unable to enable High Availability
Hello,I have the following configuration:2 Windows 2016 datacenter - Windows failover cluster created and configured with a share withness- Installation sql 2016 DatacenterThe next step is to enable...
View ArticleSQL new Cluster always has issues after drop old cluster and create new Cluster
Dear all,Last time we have DC-SQL1, DC-SQL2, DR-SQL1 and configure in Cluster name: SQLCLUSTER1.Then we dropped DC-SQL2 and Remove Cluster"SQLCLUSTER1" and Create New Cluster "SQLCLUSTER2" (use same ip...
View ArticleUsing a Windows FCI as a node in a WFSC
I'm working on setting up Always On, on SQL 2016, with 3 WFSC nodes. Is it possible to have the primary replica as a Windows FCI (2 nodes) and the remaining secondary nodes as stand alone servers? Or...
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