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Use of service SIDs and how it works under the covers ?

Hi Everyone, This question is out of curiosity and it left me in confusion whether service account as any role to play in sql server startup and shutdown? Can anybody explain how sql server 2008...

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Always on Database is in Reverting / In recovery mode after failback from 1...

We have Always on set up and I have failback replica from one to other and after that status of Database is in Reverting / In recovery mode. Is there any way to bring db online?Rahul

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SQL Server Always on Listerner doesnt realign to primary

We habve set up SQL Server 2012 Always on between 2 (I1 and I2) computers using the listener as a connection point.I1 is primary (Read Write)I2 is sub (Read Only)If we connect via the Listener we get...

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Physical - Virtual combination

Hello,We want to implement an Always On solution with a primary Physical server and a secondary Virtual server.2 questions:1. Is this supported? I don't see why this wouldn't work but I haven't found...

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Data Collection jobs and AlwaysOn

Hello all,My company finally grew a brain this weekend and let me set up the AlwaysOn cluster I've been telling them we needed for months.  It's in Azure (which wasn't easy), but it works flawlessly. I...

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Best Solution for a Rollback

So we have a 2008 R2 SP2 Enterprise Edition db set up as a Mirrored/LogShipped pair. The mirror is syncronous and log shipping has a 2 hour delay to a remote site. The size of the db is 3 TB+We plan to...

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Transaction log size grow - Replication hold up

we have a production system SQL2008R2 regular with single snapshot replication to same server.The transaction log will grow out of control from time to time (1 month, 4 months after fix). Transaction...

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even after fixing orphand user. loging is failing ?

after migration orphaned users were fixed but when failover happens secondary to primary login failed  then it is found as orphaned user .it is fixed and failover happen to primary again it is found as...

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How to identify primary server from secondary in logshipping

Hi ,I would like to know primary db from secondary db those are located on different servers.Ex : In Server ABC database name is  test = primary       In Server DEF database name is...

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2012 Always on

We have a Live prd VM on Win2012 with SQL 2012, which hosts the primary DB.  The mirror DB is on an exact same VM but at our secondary site.  As this is currently live can we convert this into a Always...

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SQL 2008 R2 cluster installation failure - Failed to find shared disks

Hi,The validation tests in the SQL 2008R2 cluster installation (running Windows 2008 R2) fails with the following error. The cluster has one root mount point with multiple mount points :"The cluster on...

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AlwaysOn connection drop

Hi allA question about AlwaysOn (2 Nodes)What would happen if I begin a transaction on Node1 and there is a drop in communication between Node1 and Node2. Will my database on Node1 still be available?...

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Upgrade using Db mirroring

Hi Everyone, I came to know that using SQL Server database mirroring, we can perform the upgrades with minimal downtime. How that is possible? Can anyone elaborate ? I have done some homework reading...

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Oracle RAC Vs SQL Server Cluster

I am confuse about SQL server cluster services. What is his main purpose + compare with Oracle (if possible) ?In oracle cluster services typically use for load balancing and two nodes always use for...

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high Write latencies in datafiles for some large databases.

Needed your guidance to fix one of the performance issue where the writes are slow.Some of the information: SQL Server 2008R2. OLTP environment. 32GB RAM. 16 Disks Raid 10. Write latency on some of the...

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High Availability design/upgrade

Hi,We’re looking to upgrade our Production SQL Cluster infrastructure. Currently we are running on old hardware and software….We currently have two nodes in the cluster. 2-Proliant DL380 Gen5 servers...

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Availability Group Failover changes Possible Owners of Cluster Resource

We have a couple of Geographically disperse SQL 2012 Clusters running on Server 2012. The Availability groups are originally configured to have all nodes as possible owners, so when an initial fail or...

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Replacing cluster node hardware

Hi,I'm currently in the following situation: (windows)cluster named: Cluster1Currently: 2 nodes named nodeA and nodeB function as Cluster1 (SAN disks)Step 1:     2 nodes named nodeC and nodeD will be...

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SQL Server 2012 AlwaysOn and WMware

Hi,I need if a WMware machine can support the AlwaysOn feature of SQL Server 2012.I haven't found any info about issues between AlwaysOn and WMware.Many thanks

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Error: The backup of the file or filegroup "sysft_XXXX_FT" is not permitted...

Hi There,I am trying to do a full back up of a user database which has full text indexing on it. I use the maintenance plan wizard to set up a full backup. For some reason, I get this...

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