clusterless Availability Group
Clusterless Always On Availability group can be configured in SQL 2017 with cluster type set to None.Is this supported configuration for SQL server running on Windows environment or is it only for...
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AlwayOn Failover Issue
Hi ,I am testing AG in Sql Server 2016.1 Primary+2 Secondary (HA+DR).Failover AG's are working fine with in HA but failing while failover to DR.I verified that NT AUTHORITY Having sufficient...
View Articlebackup on primary node
Hello, everybody. With regard to the agent job for SQL Server alwayson, can you implement the node server on which the job determines whether it is a primary or secondary node, and perform job...
View ArticleAnalysing dbcc memorystatus
Hi All.I am trying t troubleshoot a pending memory issue, I have the result of the dbcc memorystatus but unsure of what to look out for which is a red flag. Any help would be appreciated on what to...
View Articlelog file of primary replica database in AG is full
Good Morning Experts,The log file of primary replica database in AG is full and it cannot be shrunk. Could you please let me know how to fix this?Kiran
View Articleswitch from Synchronous to ASynchronous on secondary_lag_seconds in always on.
Env: SQL Server 2016 ent edition. Windows 2016 We are currently using the ASynchronous mode in our AG. We want to use Synchronous. However, if the lag between the primary and secondary increases, we...
View ArticleSQL Server 2016 Standard - AlwaysOn Availability
Hi all,We are using an SQL svr 2016 Standard version, and the AlwaysOn feature is limited to 2 nodes only. My question is, how many databases can we replicate between these two nodes ? is there a...
View ArticleMax databases in single AG
Hi,Could anyone help me with the below query. The maximum number of databases can be added to a single Availability Group ?I have around 100 databases and need to be into single AG because of the...
View ArticleSQL Always on HA and DR Best practice configuration
Hello, your help will be highly appreciated.I want to configure in Azure Always-on structure with DR scenario. How do you recommend building this? I was thinking about this configuration:primary site:...
View ArticleHow does the secondary database know that it has caught up the end of log on...
From the URL below about "How Synchronization Works on a Secondary Replica" , It describes that "Once the hardened log on the secondary database has caught up the end of log on the primary database,...
View ArticleAlwaysOn: applicationIntent=Readonly
if a connection, say from SSMS connection , connect to the alwayson listener and specify applicationIntent=Readonly.how do make sure the connection is really connect/redirect to a read-only...
View ArticleWhy "The SQL Server service is down" is a candidate for automatic-failover ,...
From the URL below we know that "The SQL Server service is down" is a candidate for...
View ArticleApplication attempting connection to secondary database in availability group
I'm hoping someone can help bring some sanity to what I'm experiencing. I have 2 SQL Server 2016 instances clustered with windows clustering. There are 11 user databases on the instance, all set up...
View ArticleSQL Server logical consistency-based I/O error
I have a job on my live enviroment DB and the job has failed again this morning reporting SQL error 824 (Soft I/O error, where the OS could read the page but SQL has treated it as corrupt) - SQL...
View ArticleMABS SQL Basic availability group backup.
I have Microsoft Azure Backup Server installed on a VM joined to my domain. I have SQL server 2017 configured with basic availability groups. I have installed the backup agent on both SQL servers....
View ArticleAdding one of the sql server 2012 database in HA mode
Hi Everyone,I have got requirement to add one of the database in HA mode.The existing database is a standalone db and no WSFC is configured for that.In my prod db, Always on mode is not enabled.we...
View Articlesql server 2016 fail over clustering for disaster recovery
We are planning to upgrade to sql 2016 enterprise edition and at the same time set up fail over cluster. Here's the basic requirements.A load server where all the daily etls run to load data from OLTP...
View ArticleEvict and Add again rebuilted nodes in WSFC
I have a four node WSFC 2008r2 with many SQL FCI. The earliest version of my SQL FCIs is SQL 2008R2. I intend to evict two out of four nodes from WSFC, format them, and rebuild them with the exact the...
View ArticleSQL Server VSS: Is is Possible to restore a SQL database through VSS with...
HI , I have taken a VSS SQL server database backup. My requirement is to restore the database with a different name, all files to different location with all files renamed. Is it possible to do it. I...
View ArticleUpdate the port on Aways On Availability Group Listener showed up in setting...
We want to change the port of our Always on listener, I ran the SQL to update the port to 1433 from a non-standard port. All three of the instances use a non-standard port. But the listener continued...
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