Sql Server Availability From SSIS
Jul 11, 2007
Hi Guys,
I'm in need of your help. Before running my dataflow task i want to check sql server availability on the network.
If not found then i want to stop the processing of the package.
My last post also has the same question but it wasn't answered yet so......... just check the 2nd last post and the last post:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1834575&SiteID=1
Is there are way to check from SSIS package?
Thank you
Gemma
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Dec 1, 2014
We are currently using 2008 environment. We do have an SSIS Package running. The package used to run everyday and take the production server full backups and restore into the another server. Then do some delete commands and do some updates in that database on that server (We have some sensitive data other than Production we have to run that scripts in any environment). After run all those delete statements another team will read the data from that database.
We are planning to migrate to 2014 and set up always on and use the replica as the source. In this case how the package will work?
How to change that SSIS package. With the 2014 always on we are directly reading the data there is no backups to restore then how to run the delete statements?
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May 23, 2007
Can somebody please help answering this question?
I'm planning to consider writing a SSIS package for a new project that requires downloading large chunk of data and transform into the diverse databases such as MS SQL or Oracle depending on the Client's Datbase.
For the clients having SQL Server installed at their end, i had no issues in deploying this package on their server and run it in their licensed instance.
What should be the case for others having Oracle database? Wouldn't installing the SQL 2005 client tools install the necessary run-time services for running SSIS packages? What i understood from the MSDN library (http://msdn2.microsoft.com/en-us/library/ms403355.aspx) is that there's no run-time support available for running the SSIS packages (unlike DTS run-time support) in production environment!
Would that mean that it requires a SQL Standard edition, at minimum, (as Integration Services is OOTB from Standard Edition onwards) to be installed at the production site to run this package?
If so, the client wouldn't be ready (which is fair too) to buy the new license just to run this package. Is there any work-around/suggestions for this case?
If not, can somebody please point me to the right location where i can download the run-time support for running SSIS packages?
Any thoughts on this is highly appreciated.
Thanks for your time.
~Sagar
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Nov 20, 2015
need to migrate a cluster with an AG dtabases to new data center cluster with AG.
I was wondering if is possible to do mirroring on top of the AG configuration? or what other options could be to migrate a cluster that has 3 nodes and setup the ag databases to a new datacenter.
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Jan 20, 2006
I am in the process of setting up server replication using the Central Publisher Model. We are doing this for application availability. The application is a .NET app and this application uses the SQL Server name in the connection string. As far as I know we can€™t have two severs on the same domain with the same name. So if our primary server (server A) goes down and that server name is in the connection string how does the application get redirected to our backup server (server B). Thanks for the help.
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Nov 18, 2006
Hello everyone,
I have an ASP application mainly connected to one SQL database that works great but now I am trying to add some functionality that requires to connect to another remote SQL server. Till now all is fine except that the remote SQL server is not always online and of course when this happens my ASP application stops with the following error:
Error Type:
Microsoft OLE DB Provider for SQL Server (0x80004005)
[DBNETLIB][ConnectionOpen (Connect()).]Specified SQL server not found.
in my Global.asa I setup my session variables for DSN connections and in my pages I call my SQL connection as follow:
Set Conn = Server.CreateObject("ADODB.Connection")
Conn.Open Session("MySQL")
SQL = "my SQL statement here;"
Set RS = Conn.Execute(SQL)
Every time the page hits the Conn.Open line I get the error if the remote SQL is not online!!!
Is there a way I can check a sort of returned error code holding the connection status before getting to the Conn.Open line???
Any help would be greatly appreciated.
Thx in advance
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Nov 25, 2014
I want two write a small script to determine which is the currently active (primary) server in the AG.
Right now, I see that using SELECT * FROM SYS.dm_hadr_availability_replica_states I can determine the role. However, when the server goes down and switches to the secondary node, I don't believe that the role changes (or does it?). How do I determine which is the active node?
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May 26, 2004
I've been asked to look into the possibility of using SQL Server in a high availability environment. We have a few web based applications that use SQL Server back end DBs. What we are looking into is whether we can use multiple instances (on multiple physical servers) of SQL Server using some type of clustering/load balancing. I haven't worked with SQL Replication before, so I'm not even sure where to start in exploring the possible avenues we can explore.
Can anyone push me in the right direction? Any info would be greatly appreciated!
Thanks,
Bill
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Apr 5, 2008
Hi
I would like to know, Is Logshipping is supported on SQL 2005 clustering?
Thanks in Advanceshan
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Apr 15, 2008
I am building an SSIS package that is hitting about 50 remote servers. I have a for each loop container that i am using to build the list of servers to run.
The problem is...sometimes networks go down, sometimes connections time out and this causes my entire package to fail. I inserted a task that will run select @@ServerName on the remote server inside the loop. My thought was, if this returns an error I could ignore it and move on to the next server in the list and log somewhere that server x threw an error. Logging is easy, the problem is, how do I then tell it to move on to the next server in the loop?
If anyone has any suggestions on how better to do this, I am open for alternatives...
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Sep 3, 2004
Does anybody have any idea when SQL Server 2005 Express will go from Beta 2 to a full release please?
Thanks
Simon
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Jul 30, 2014
I have 2, 2 node clusters
PROD1(cluster 1) Clustered SQL instance1
PROD2(cluster 1)
DR 1 (cluster 2) Clustered SQL insatace 2
DR 2 (cluster 2)
I have set an availability group up from the PROD instance to the DR instance.How does the AG behave if a SQL instance fails at PROD? Does it try to fail over to Node 2 on Prod before going over to DR? or bring the Replica at DR online straight away? Can we only use Manual Failover of the AG in this scenario to make use of the High Availability of the Windows cluster?
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Apr 2, 2015
The MSDN doc makes it sound like after a failover of the primary, the CDC data won't "keep working" on the secondary unless you "To allow the logreader to proceed further and still have disaster recovery capacity, remove the original primary replica from the availability group using ALTER AVAILABITY GROUP <group_name> REMOVE REPLICA. Then add a new secondary replica to the availability group."
We have a few CDC tracked tables that we use and the general idea of AlwaysOn I thought was to minimize all the overhead and let things "just work" so your apps just connect and the listener re-routes everything where it needs to go.
It looks like to get this working properly an automated job /trigger would have to wait for a failover event and then kick off tasks to remove and re-add the replica and perhaps start up the CDC job on the secondary?
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Jul 3, 2015
We have 4 servers : Server 1 , Server 2 and HA , DR servers.
I designed 2 Plans to get HA support for my databases .
Which of them are better , And is there any problem in my design ?
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Aug 18, 2015
I am trying to create a job that runs against my High Availability listener server.
It is a fairly simple SQL statement in the job - execute tsql.
When I try and run the job I get the error:
Executed as user: NT SERVICESQLAgent$SQL2014A. The target database ('BB_Prod') is in an availability group and is currently accessible for connections when the application intent is set to read only. For more information about application intent, see SQL Server Books Online. [SQLSTATE 42000] (Error 978). The step failed.
I thought there was a way to run a select statement as a job against the listener? The tsql step is only a select.
Is there a way to pass in the application intent = readonly as part of my SQL statement?
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Sep 24, 2015
I have Configured always on Availability groups between Server 1 Primary Replica(Active), server 2 Secondary Replica(Passive) on top of WCFS...
Listener Name: AGListner( CLIENTS/APPLICATIONS connect using this Name)
Testing Scenario 1(on Virtual Servers):
I have turned network down on Server 1(primary) , then secondary server (Passive ) one came ONLINE and this is now the primary and i was able to connect to AGListner.now When i try to SHUTDOWN/POWER OFF PRIMARY(current Active server),failover happened to Secondary successfully but lost cluster and lost AGListner and was not able to connect ....now applications which are trying to connect using AGListenr name will loose all connections..does AlwaysOn Availability does not support Server SHUTDOWN/POWER OFF?or is there a way to resolve this? or am i doing wrong somewhere?
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Apr 5, 2006
Hello,
I want to know the following:
- When will SQL 2005 Express Management tool be out of CTP and be in production?
- When will SQL 2005 Express SP1 be out of CTP and be in production?
Thank you,
Harry
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Jul 26, 2006
I need to ensure users can submit SQL queries (readonly) to a database whilst transaction logs are restored (at 15 minutes intervals.)
Is this possible?
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Oct 28, 2013
automatically replicates new databases to Availability Group partners - if you do a little prep work on your environment first.To make it work:
1) Create linked servers on all group members pointing to all other servers in the group, with names matching the hostnames they represent.
2) Ensure suitable credentials (or 'current context' impersonation) for linked servers. Also: Enable RPC and RPC OUT
3) Run the DDL code below.
4) Schedule hadr_replicate_queue on [master] to run as often as you want initial syncs to occur. Every 5-10 minutes is plenty for most purposes.
5) Connect to an availability group listener and call CREATE DATABASE :)
I use a slightly more extended version of this code at home to do things like permissions synchronization across replicas - I essentially allow applications to install direct to an availability group replica and then have all the relevant objects replicate to other nodes. I don't really like going through manually and doing things, even though there's an AddIn from SQLSkills for management studio - it still requires manual intervention.
The main use I have for this at home is that I'm using the Azure pack, and want to automatically ensure that my newly created 'SQL Server Cloud' databases are highly available, plus it means when I install a non-alwayson aware product it doesn't require any extra work afterwards to allow failover to another machine.
* AlwaysOn Self-Population Script
* By: Steve Gray / steve@mostlyharmful.net
* Usage: Free, but buy me a beer if you're ever in Brisbane.
**/
USE [master]
GO
IF EXISTS (SELECT * FROM sys.tables WHERE name='hadr_pending_replicate')
[code]....
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May 21, 2014
how does security works between availability groups.
ex if i create an object and grant permissions to a user will that be replicated to secondary replica .
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Aug 28, 2014
We are having a conversation at work and the subject of load balancing with SQL came up. Right now we are running SQL Server 2014 on four (4) machines. I am using a AlwaysOn with Availability Groups (AG). Now I know that we can scale out the reading in AG by allowing the secondary serves to receive reads.
Is there a way to be able to do this with writes? Can I have in essences 2 masters that some how reconcile with each other? We are expecting a huge amount of writes in the near future and we need a way for SQL to handle the amount of traffic we are expecting with out any issues.
I explored the possibility of Peer - to - Peer replication; however, it seems that it would be more work if we are constantly making updates to the database scheme.
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Nov 10, 2014
Is there any way to trigger an event (ie. call a procedure/job/etc.) when/if an AG fails over?
Not looking to use agent alerts.
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Nov 29, 2014
Secondary server is offline due to a hardware issue and the log files are growing on Primary sever for availability databases. The log drive is running out of space. How can I stop the log growth for the primary databases?
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Dec 24, 2014
Recently after turning on trace I restarted the sql services on a box which is configured for automatic failover availability groups. The ag has not failed over to other node. The other node was in resolving state. When the restarted server is back, the AG went back to that server. I checked the sys.availability groups field for failover property failure condition level, it's set to 1 which means service restarts should initiate the failover.
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Feb 11, 2015
we currently use Backup Scripts from Ola Hallengren, It Says Full (non copy-only) and differential backups are performed on the primary replica. Full(Copy-only) backups and transaction log backups are performed on the preferred replica.
we currently do FULL(COPY_ONLY) Backup everyday and LOG Backups for every 15 min, is there any performance benefit on running the FULL (non copy-only) on the preferred replica .
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Jun 17, 2015
What I asked for: Three Windows Server 2012 R2 machines with independent storage running a SQL Server 2014 AlwaysOn Availability Group. DB1 would be the primary, DB2 would be a synchronous replica, and DB3 would be a remote asynchronous replica.
What I was given: a two-node Windows Server 2012 R2 WSFC to run SQL Server 2014 Enterprise with shared storage and a third (remote) Windows Server 2012 R2 machine with independent storage, also with SQL Server 2014 Enterprise, to host an AlwaysOn Availability Groups asynchronous replica.
DB1 and DB2 (as Cluster1) share an E: drive. The remote DB3 has its own E: drive. Initially, DB3’s E: drive was claimed as a cluster resource and I couldn’t even see it. I’ve had several ugly days trying to make this work and have temporarily given up, installing DB3 as a standalone SQL Server that is no longer part of the WSFC and pointing everything towards that (it was originally a third node in the WSFC).
Is it possible to create an AlwaysOn Availability Group with nested clusters (i.e. create the AOAG with Cluster1 and DB3 and somehow ignore the individual nodes that comprise Cluster1)?
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Jul 9, 2015
I have a situation where I need to rebuild indexes on a large DB (500G).
When I do a test run of the rebuilds in my test environment it uses 100G of space - which is fine with me.
When I do a rebuild in my High Availability environment - same DB, same script - it eats up over 600G of space and fills the volume.
What can I do without removing my DB from H/A to rebuild the indexes?
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Sep 1, 2015
We have a server A and a server B setup with SQL2014 High Availability - working fine.
I need to add an additional listener to our new DR site.
What is the best way to do this without impacting production - can I just add the additional replica from nodea as a secondary replica?
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Sep 15, 2015
I am planning to have AlwaysON Availability Groups setup between Server 1 and Server 2
Server 1 -->Publisher-->2014 SQL Enterprise edition-->Windows Std 2012 --> Always on Primary Replica
Server 2 -->Publisher(when DR happens)-->2014 SQL Enterprise edition-->Windows Std 2012 --> Secondary Primary
Server 4 as Subscriber
Server X as Remote Distributor ..
If i create Publications on Server1 (primary replica) to subscriber 4 servcer, will the publication be created automatically in Secondary Replica Server2 ? or do i have to create manullay using GUI/T Sql on Both Servers?
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Jul 30, 2015
I have a SQL 2014 SP1 set of servers with two asynchronous copies of an availability group. Â One of the asynchronous sites is down and SQL can no longer replicate the changes. I need to understand how long SQL Server can continue this way before the secondary replica will no longer be able to catch up. I assume this is really tied to the transaction log on the primary replica but would like it clarified.
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Dec 1, 2015
I have configured replication between Always ON Availability Groups  (Listener) (PUBLISHER), remote distributor to XYZ SUBSCRIBER...with above link ...
Now, I want to know how to replicate Data from XYZ SERVER a PUBLISHER to Always ON Availability Groups  (Listener) (SUBSCRIBER)? Distributor Database being on XYZEX:
XYZ SQL SERVER as PUBLISHER, and DISTRIBUTORÂ
toÂ
Always ON Availability Groups  (Listener) SUBSCRIBER...
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Sep 14, 2015
I am planning to have AlwaysON Availability Groups setup between Server 1 and Server 2
Server 1 -->Publisher-->2014 SQL Enterprise edition-->Windows Std 2012 --> Always on Primary Replica
Server 2 -->Publisher(when DR happens)-->2014 SQL Enterprise edition-->Windows Std 2012 --> Secondary  Primary
Server 4 as Subscriber
Server X Â as Remote Distributor ..
as of now , In the event of Disaster happens on Node 1  i will have to manage JOBS on Node 2  (backups, Maintenance, replication, day-day other Jobs)..Is there a way i can call all jobs to run from a remote server which executes on Active NODE(which ever is active)? so that in the event of disaster happens on node1, when  node 2 becomes online and  i don't have to do anything with SQL Agent or jobs on Node 2?
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Oct 16, 2014
This is my first deployment of an always on availability group for SQL 2014 and I'm trying to get my custom backup procedure to handle all databases appropriately depending on the primary group. Basiscally I want the system databases and all databases that don't participate in the availability group to be backed up on both nodes and those that do participate backed up ONLY on the primary server. I've looked at the sys.fn_hadr_backup_is_preferred_replica funcation, but would like to only have to test for a single databases existance in the availability group. If the one database is in the group, only backup the system databases and those that don't participate, otherwise backup everydatabase. This would be the case for both full backups and transaction logs.
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