OPTION(MAXDOP x) in SQL Server
I have never clearly understood the usage of MAXDOP. I know it makes the query faster and thats the last that I can use in Query Optimization. But when and where it is best suited.
View ArticleSQL 2012 Always on groups fail over
All,I'm in the process of evaluating SQL always on availability groups. Aside from replication, the one aspect I've been testing is failure scenarios. So far everything I'm concerned about causes a...
View ArticleLog Size increasing using Availability Groups
Hi.This is probably very easy but i'm pulling my hair out here.2012 with always on availability. Everything is working fine but the log file for the database is growing.As a test i created a...
View ArticleRemoved SQL 2012 AV group leaves phantom processes consuming large amounts of...
Hi,I have been experiencing performance degradation on some production servers that previously were part of a SQL 2012 High availability Group.I recently used a small window of opportunity to test the...
View ArticleHelp-Error 8509 severity 16 state 1
hiOne of our Production server is running with SQL Server 2005 with SP3. this is in Cluster node environment.Recently we got Error as ''Import of Microsoft Distributed Transaction Coordinator (MS...
View ArticleBackup database corrupt
The database that Im working for has been suddenly corrupted. Fortunately, i performed a routine backup on it and save to a backup tape. Therefore, I reinstalled SQL Server and I tried to restore those...
View ArticleOnline query on backup DB
Hi MS expertIs it possible to do online query on backup DB without restoring it? We are using SQL 2008 R2.Actually we only backup historic data periodically and delete its copy in online DB. Sometimes...
View ArticleSQL 2012 AlwaysOn and multiple instances
Hi, I was thinking on configuring AlwaysOn as follows: SQLServerA, Inst1, Inst2, Inst3 SQLServerB, Inst1, Inst2,Inst3 FileShare Witness (this file share witness will be shared amongst multiple servers...
View ArticleMSSQL Cluster 2008
Hi Experts , We are going to configure the cluster on the SQL 2008 R2. What type of cluster need to be in place. Whether active - active OR active - Passive.Will MSSQL 2008 R2 can be configure on...
View ArticleCheck AD groups used by SQL Failover Cluster
Hello everyone,I'm documenting a SQL 2008 R2 failover cluster installation and I am not able to find which AD groups were used during the installation.I can't find that info on the SQL Management...
View ArticleSQL 2012 VDI Access Denied - VSS & DPM 2010
How can the local built in account NT AUTHORITY\SYSTEM be getting permission denied with the sysadmin server role set when performing backup operations? The following system logs are generated - and...
View ArticleOptimum DR strategy for Datawarehouse DBs.
We have a SQL Server 2008R2 servers with Datawarehouse DBs which gets populated by SSIS packages for ETLs. The database sizes are around 380GB - 400GB. The ETLs run throughout the night and load the...
View ArticleSQL Eval Upgrade using VL
I have a customer that have setup a 2008R2 cluster and then installed SQL 2008R2 SQL using Eval media. They now want to licence the install but only have a SQL volume licence key. Is this possible? I...
View Articlemaster database recovery in sqlserver 2008
I am trying different recovery methods. For master database, I took a full backup of database (db is in simple recovery mode), I stopped the sqlserver instance and then i removed its db file and then I...
View ArticleRestore append?
Using SQL2008Here's my situation: I have a backup file from 2012. I need to move those data into the current production db. I figured I can restore to a new temp database and insert data from that temp...
View Articlesql server 2012 AlwaysOn sys.dm_hadr_availability_replica_states role_desc...
Is it possible to get an alert when an AlwaysOn group goes into a state of RESOLVING? In the DMV "sys.dm_hadr_availability_replica_states", in the column "role_desc" when it says "RESOLVING" nothing...
View ArticleOptimum DR solution for Datawarehouse DBs
We have a SQL Server 2008R2 servers with Datawarehouse DBs which gets populated by SSIS packages for ETLs. The database sizes are around 380GB - 400GB. The ETLs run throughout the night and load the...
View ArticleSql Server Montor server for log shipping
Do I need to setup Monitor server for Log shipping? My transactional log status report shows error after I try to set up the monitor server. Rest of the log shipping process runs without any error.
View ArticleSQL 2012 Availability group fail-over not sending gratuitous arp
When I fail over a 2012 availability group I am having problems accessing the listener IP Address from any IP that is outside the subnet that my sql 2012 cluster is configured on. I am running sql...
View ArticleNTFS Permission repair for SQL Server 2012
Hi,We have set up a SQL 2012 cluster (multi-node) on a Windows Server 2012 cluster. We realized that the NTFS partitions were formatted with a 4 KB allocation unit size instead of 64 KB.So we took the...
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