how to understand HADR_AR_CRITICAL_SECTION_ENTRY
Hi,I found many times today, if there are two large databases are in recovery status(trying to catch up in availability group), the other databases needs recovery will be waiting.The full story is I am...
View ArticleWindows Server 2016 hyper-converged architecture and SQL HA?
Hi,with Windows Server 2016, Microsoft promotes the hyper-converged architecture.I want to use this approach for the tiny datacenter we have to setup in our office. I want to have 2 physical server in...
View ArticleAlways on latency problem
Hi, I have two databases and one of them does not sync (high latency) on specific server. All have the same disk, memory, and so on. All in internal network. What can I do to identify why this occurs...
View ArticleAvailability Group Question
Currently have a total of six nodes in a single Windows cluster across 3 sites:Site 1 has 2 nodes with AG1 configured between themSite 2 has 2 nodes with AG2 configured between themSite 3 has 2 nodes...
View ArticleSQL Server 2016 w/ Windows Server 2016 Hyper-V Replica
Windows Server 2016 added support so that Hyper-V Replica now works with shared disks and guest clustering. Thus, does SQL 2016 now support Hyper-V Replica with a Failover Cluster instances utilizing a...
View ArticleSQL 2014 STD - DB mirroring across domains - Error Msg 1418 - network address...
I am trying to setup SQL mirroring between domains, on SQL server 2014 standard (that we just bought).I have tried the mirroring wizard, then these...
View ArticleTuf file in Logshipping
Why .Tuf file only creating when the secondary server database in stand by Mode.?and Why it is not creating when the secondary server Database in Restoring mode?May I know the Special reason ?
View ArticleMove SQL Server Failover nodes with min down time
Hi, we have a few SQL Server 2012 Failover cluster nodes that needs to be move to another data center, what would be the best way to do this without bringing down the system for too long?one of the...
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SQL Server 2016 : Always On Feature not sync User Login, Job, and show...
Hy Guys,i want ask you a few questions about sql server 2016 feature always on. First of all, let me introduce the environment of mine.1. VM Node AOS : Windows Server 2016SQL Server 2016 EnterpriseIP :...
View ArticlePrivate Network After Configuring Cluster
Hi all,I have installed SQL Server 2016 in cluster mode, but we did not have private network configured before.Is it necessary? If yes, should I manually instruct the cluster service to use that for...
View ArticleAlways On Clustering - Setup and Best Practice
HiI am very new to using Always On, currently we are using mirroring between our SQL servers.One thing I'm having trouble getting my head around is the clustering of the servers, especially as our SQL...
View ArticleHow to implement transactional replication on Amazon RDS.
Currently we are using SQL server2008 R2 on stand alone machine but now we are migrating to Amazon RDS and facing issues while implementing SQL server replication (Transactional Replication). Please...
View ArticleTrace Flag 9567
As we no that If we enable Trace Flag 9567 in SQL Server 2016 with automatic seeding process to enable compression of data stream.It really boost streaming process.But at the same time increase the...
View ArticleSQL 2008 R2 service. Won't start on Cluster Node
Hello. I have SQL Server 2008 R2 running on a 2-node Win 2012 cluster. The SQL role, and all resources are running on the active "NODE B". The cluster uses shared NetApp Luns for data, logs, etc.I...
View ArticleSQL Server 2016 Seeding
Hi,I have enabled Automatic Seeding in existing AG. (This is only Test enronmnet)I followed below procedure after creating database and took full backup:1. On Primary ServerALTER AVAILABILITY GROUP...
View ArticleCluster resource in clustered service or application failed
We have 2 nodes SQL 2008 Server 2008 R2 cluster installed on Windows Server 2008 R2 W/SP1 Operating System.I have the following issue:I need to bring cluster resource manually onling frequntly plus I...
View ArticleManually Prepare a Secondary Database for an Availability Group (SQL Server)...
Hi, I need to add new replica to existing always on configuration, as my database size is in TB so want to use join only option to add new replica. I want to ask can I use copy only option with full...
View Articlesql server agent cant start
in my system two database sql 2008 r2 and sql 2014 i want start sql server agent in sql 2014, but error occurs in there , in sql 2008 r2 sql agent start fine , i have disable VIA in sql server...
View ArticleRenaming a Database that is under Availability Group
Friends,We have a few databases that have been added as Available Databases under Availability Groups. We are planning to rename some of these databases now.Would the names of these DBs change...
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Cannot write to database after failover
Hi Guys,I have alwaysOn on SQL server 2012. 1 primary and 2 secondary replicas. I have also setup the config below My problem now is ..when I failover from the primary server (EMR-SVR) to the secondary...
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