Recovery :: Create Maintenance Plan On AlwaysOn System

May 4, 2015

I am new to always on management, I would like to know if exist a best practice for configuring maintenance plan on a alwayson system (two nodes) or is just running the maintenance plan wizard on both nodes.

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Recovery :: AlwaysOn Setup For DR Plan

Aug 6, 2015

We have a client which they have production 2 node cluster environment. On it around 200 databases with single SQL instance.

Now client wants disatster plan for these 200 database. In these 200 database 3 db's are around 80 GB each databases remaing are less than 5 DB.Note: All these 200 db's are having produciton sites (i mean to say each db is having single site)

For this DR paln clinet is going to provide other DR server,they wants to setup DR between exsting produciton cluster instance to this DR server.

So in this case we have suggest SQL server AlwaysOn availability group.

Here my main question is can we keep all these databases in single AG? .If yes, guidlines to move up. if not, do we have any limitations.Also, best method to setup for this DR plan.

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Index Reorg Maintenance Plan After SP2 Gets A System.OutOfMemoryException

May 8, 2007

Recently upgraded SQL Server 2005 x64 to SP2 and upto Build 3159. Since then the Maintenance Plan for Index Reorgs has failed with a System.OutOfMemoryException error. No other errors are logged anywhere. The plan report file has no information either.



Has anybody come across a similar issue?



Thank you.

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Create A New Maintenance Plan

May 30, 2007

I have installed SQLServer 2005 from Small Business Server premium edition. The package has been upgraded to SP2 and all the fixes have been applied.



I want to create a new maintenance plan to automate my DB backup procedures using SQL Server Management Studio. I start Management Studio and right click on the management folder and I I see is "Refresh" there is no "Create New Maintenance" plan presented.



I have tried this using the sa built-in account and the server administrator account both of which have sysadmin priviledges. I have also tried it from a client machine with another sysadmin userid but they all give the same results.



I checked to see if SSIS was installed. The add/remove programs wizard for SQL Server shows Integration Services SP2 is installed but I went ahead anyway and re-installed without error.



It seems that either SSIS is not running or I my user roles are preventing the maintenance wizard from running. Is there some way that I can tell if, in fact, SSIS is properly installed and running?



Thanks.

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Can Not Create Maintenance Plan

Aug 1, 2006

I have had two SQL 2005 Stnd x64bit servers running without any problems for several weeks now. I just setup two new ones last night. One the two new ones, I get an error message when I try to create a Maintenance Plan. I also get an error when I try to create a plan using the Wizard.

The error message is:
TITLE: Microsoft SQL Server Management Studio
------------------------------
The action you attempted to perform on a remote instance of SQL Server has failed
because the action requires a SQL Server component that is not installed on the
remote computer. To proceed, install SQL Server 2005 Management Tools on the remote
computer, and then try again. For more information, see "How to: Install SQL Server
2005 (Setup)" in SQL Server 2005 Books Online, or find the article on MSDN at
http://go.microsoft.com/fwlink/?LinkID=57083 . (ObjectExplorer)

For help, click: http://go.microsoft.com/fwlink/?LinkID=57083


Note: SQL Agent is running. So far, everything else seems to be working fine.


Any ideas?


Thanks in advance.

jtw

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Best Disaster Recovery Plan For System Databases(Master,MSDB...)

Nov 20, 2007

Hi all

What is best Disaster/Recovery methode to securing the system databases.

Master database allows only Full backup
MSDB allows Full ,Diff

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Unable To Create New Maintenance Plan

Mar 13, 2008

I am unable to create new maintenance plan in my SQL Server 2005 Enterprise Edition SP2. I am getting the following error. Please some one help me.


TITLE: Microsoft SQL Server Management Studio
------------------------------

Method not found: 'Void Microsoft.SqlServer.Management.DatabaseMaintenance.TaskUIUtils..ctor()'. (Microsoft.SqlServer.MaintenancePlanTasksUI)

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Maintenance Plan Create Fails

Mar 31, 2008

Hello,

On SQL 2005 with mixed authentication, I am simply trying to create a maintenance plan to backup one single database. When I get to the end of the wizard, the creation process fails with this message:

Create maintenance plan failed().

I installed SQL 2005 using my domain account and the services are running under my account credentials. I am a domain and local admin.

Any ideas?

Regards,
Chris

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Using DTS Methods To Create A Maintenance Plan Programtically

May 24, 2007

I have been told to use the following Microsoft.SqlServer.Dts methods to create a maintenance plan programatically. Can I use C# to program a maintenance plan? If so, how could I use DTS methods to create a maintenance plan? Or, moreover, what would be a good first step to create this?

-Kyle

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How To Programmatically Create SQL 2005 Maintenance Plan

Nov 26, 2007

I need to programmatically create a SQL 2005 maintenance plan at hundreds of customer sites. Each plan will be a little different because of path names, database names, etc., so I can't use one canned plan without modifications. I know that SQL 2005 maintenance plans are XML packages and SQL jobs, so scripting isn't an option. I've seen mention of using the .Net API to create the plans, but I can't find any examples. SMO doesn't seem to have any objects for managing maintenance plans. Can someone point me to an example of using the API to perform this task?

Thanks,

Tom

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Recovery :: Cannot Create Listener For High Availability Group Of AlwaysOn On Cluster Environment

May 27, 2015

I have getting issues when i am creating listener for always On . Error shown as below

Can not bring  the Windows server fail over cluster (WSFC) resources online. (Error Code 5942). The WSFC service may not be running or may not be accessible in its currents states, or the WSFC resources may not be in a state that could accept the request.

For information about this error code see "system error code" in windows development documentation 

The attempt to create network name and IP address for the listener is failed. The WSFC service may not be running or may not be accessible in its currents states or the value provide for the network name and IP address may be incorrect. Check the state of the WSFC cluster and validate network name and IP address with network administrator. (Microsoft SQL Server error 41066) ...

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Recovery :: Server Local High Availability Using Failover Cluster And Disaster Recovery Using AlwaysOn

Aug 17, 2015

We have a requirement to build SQL environment which will give us local high availability and disaster recovery to second site. We have two sites- Site A & Site B. We are planning to have two nodes at Site A and 2 nodes at Site B. All four nodes will be part of same Windows failover cluster. We will build two SQL Cluster, InstanceA will be clustered between the nodes at Site A Server and InstanceB will be clustered between the nodes at Site B, we will enable Always On Between the InstanceA and InstanceB and will be primary owner where data will be written on InstanceA and will be replicated to InstaceB. URL....Now we want we will have instanceC on the Site B and data will be writen from the application available on Site B, will be replicated to the instance on the Site A as replica.

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Maintenance Plan Wizard Vs Tsql Maintenance

Aug 17, 2007

Hello,

I have a question that I hope someone can clear up for me. I have come across a number of different suggestions on DB maintenance, for example reindexing with the following script:

USE DatabaseName --Enter the name of the database you want to reindex

DECLARE @TableName varchar(255)

DECLARE TableCursor CURSOR FOR
SELECT table_name FROM information_schema.tables
WHERE table_type = 'base table'

OPEN TableCursor

FETCH NEXT FROM TableCursor INTO @TableName
WHILE @@FETCH_STATUS = 0
BEGIN
DBCC DBREINDEX(@TableName,' ',90)
FETCH NEXT FROM TableCursor INTO @TableName
END

CLOSE TableCursor

DEALLOCATE TableCursor

My question is, doesn't the maintenance plan have this functionality inherent in it when you create the maintenance jobs to reindex? Is there a benefit to scripting things out vs just using the maintenance plan wizard for this sort of thing and any of the items it covers? I came from an Oracle background where this was a no-brainer but I am a bit confused on the choices with SQL Server.

Thanks.

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Recovery :: Set Up AlwaysOn Availability Groups?

Sep 16, 2015

Can we set up always on availability groups in  server 2012 standard edition.

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Recovery :: Merge Replication In AlwaysOn?

Oct 16, 2015

Merge replication on AlwayOn is configured, working fine on Original Publisher.When failover to possible publisher data is not being replicated.

Replication Monitor Error:

Message: Validation failed for the publisher 'RIMDNS' with error 21879 severity 16 message 'Unable to query the redirected server 'RIMDNS' for original publisher 'UNITEDKINGDOM' and publisher database 'TD_AO11' to determine the name of the remote server; Error
2, Error message 'Error 2, Level 16, State 1, Message: Named Pipes Provider: Could not open a connection to SQL Server [2]. '.  '.

[Code] ....

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Recovery :: How Many Maximum Database Can Have In AlwaysON AG

Oct 29, 2014

How many maximum database's can we have in AlwaysON Availability Group?

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Recovery :: AlwaysOn Sync Share

Oct 12, 2015

I've set up a SQL server 2014 cluster with AlwaysOn availability groups. Upon creating the AG i opted for full syncronisation to a specific SMB share.Now i want to change that share because it has to move to a new server. How can i do that? I found no settings in the SSMS for that.

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Recovery :: Mirror Of A Database Part Of AlwaysOn AG

Sep 14, 2015

We have an AG scenario where we are using WFC on a 2 node cluster. We are then using AG for mirroring the databases to both nodes and have a listener.

What I want to do next is to establish another copy of the database at a remote location. But I don't want to add the 3rd system to the WFC. I am not a big fan of WFC and I have seen it causes many more problems. The 3rd system will be in a remote location and the network not 100% reliable. I have seen in the past that it causes the entire cluster to hang and causing my production to crash which I don't want.

I there a way to add a 3rd node to the mirror configuration. I don't know if I can add a 3rd node to the AG unless it is part of the same cluster.

I know I can configure log shipping, I am fine with it but in the source, I have no control of which node the DB will be. I am not sure if a log shipping scenario can be configured using the listener instead of the physical host.

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Recovery :: Add Second Node In AlwaysOn Availability Group

Aug 13, 2015

How do I add my second (secondary) node in my AlwaysOn Availability Group, after adding my head node, and the secondary node is a virtual machine. See based on the attached file if it is the correct way?

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Recovery :: Find Errors In AlwaysOn Synching

Oct 16, 2015

We've just started using AlwaysOn High Availability and run into a wierd issue. I have 1 particular database that is not syncing data to the secondary replica. But when i look at all the dashboards, everything is green, they all say synchronised - but if I query the data they are not.

The database has additional sql transactional 1 way replication a different server which i was wondering if was causing any problems, but it's working ok.

I'm just wondering if there's any other more detailed logs i can check to see why the data is not flowing. The availability dashboard and it's event log all says ok.

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Recovery :: What Happens To Open Transactions When Failing Over (AlwaysOn)

Sep 3, 2015

In the case of a manual failover, what happens to open transactions.  Are they killed (rolled back), completed, a little bit of both?

Does the status of the query has any impact (are running queries handled differently then waiting ones, does the type of wait have an impact...)

I am using synchronous commit mode and all I seem to find is reference to the potential or absense of loss of data.

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Recovery :: How To Test AlwaysOn Availability After Configuring Them

Jul 3, 2015

How to test always on availablity after configuring them.I have configured always on group with 1 active and 1 passive with readonly.I want to test from application.what are cases which we can have for testing.

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Recovery :: Multiple Instances For AlwaysOn For A Cluster

Jun 19, 2015

My environment has a 4 node cluster , 2 in primary and 2 in sec dc. Storage is sperate for both.

Need to setup always on for 4 Instances there on the 2 nodes of the primary dc. Is there any restriction in setting up always on for multiple instances for a cluster.

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Recovery :: Does AlwaysOn Use Network Settings Of WSFC

Apr 28, 2015

I know that AlwaysOn creates a WSFC role in order to provide failover of the Availability Group Listener. But does it also "honor" the WSFC network setttings? What I'd like to do is isolate the client-side traffic from the database replication traffic. But it's not clear to me that AlwaysOn even uses that part of WSFC.

a) Can you totally isolate the traffic as I've described?

b) Does AlwaysON actually use WSFC network settings? If yes, then I guess I cannot do what I want, since my choices are Cluster & Client, or Cluster Only.

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Recovery :: AlwaysOn Cluster Did Not Fail Over Successfully

Aug 14, 2015

I have had a serious issue with a production AlwaysOn cluster whereby the service did not successfully transition to the secondary node and I cannot find the root cause of the issue.

Some details: It is a 2 node cluster (same datacenter) with a shared disk quorum, Windows Server 2012, both are virtual machines running on VMWare vSphere  5.5. SQL Server version is 2012 Enterprise SP2 CU6

The failover occurred because of a network incident (a spanning tree recalculation caused a connection timeout between both nodes). Initial entries in the SQL Log look normal for this event, for example:

05/08/2015 11:18:06: A connection timeout has occurred on a previously established connection to availability replica 'FIN-IE-PA078' with id [6910F4A9-87E7-4836-BA79-0F41BE90266D].  Either a networking or a firewall issue exists or the availability replica has transitioned to the resolving role.
05/08/2015 11:18:06: AlwaysOn Availability Groups connection with secondary database terminated for primary database 'UserManagement' on the availability replica with Replica ID: {6910f4a9-87e7-4836-ba79-0f41be90266d}. This is an informational message only. No user action is required.

[code]....

My interpretation of this is that the cluster failover attempts failed, because the network condition still persisted. The network interruption lasted approximately 2 minutes, and I would have expected the cluster to come back online at this point, after the restart delay period as suggested in the last entry in the error log. However this did not happen.

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Recovery :: AlwaysOn Availability And TRUSTWORTHY Property

Sep 18, 2015

We have a SQLServer 2012 Always-On Availability (AAG) Primary and Secondary Node installation/environments. On the Primary node, we have some databases that have the TRUSTWORTHY option enabled (Set to ON). But when the databases are synched/added to the AAG the databases loose the TRUSTWORTHY property and are reset to OFF on the Secondary Node.Because of this,When the instance fails over to the Secondary Node the applications that were working don’t work anymore.

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Recovery :: Failover Cluster With Mirroring With AlwaysOn?

Jun 30, 2015

we have to build high availability SQL 2012 cluster for VDI and we have two options. One option is to build a server cluster with combination of failover and mirroring and other option is to build failover cluster with AlwaysOn.We are not sure which option to chose. We have contacted Microsoft support to provide us some documents and instructions for failovermirroring combination but they have send us instructions for AlwaysOn option.

What would be best way to build high availability cluster for VDI? Also, since first option is very complicated.

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Recovery :: Monitoring AlwaysOn HA Setup With HyperV

Oct 29, 2015

I have configured AlwaysOn HA setup with HyperV environments without shared disk and using quorum voting in file share witness.

1. I want to monitor AlwaysOn HA setup and AO Group database on daily basis.
2. To configure email alerts for proactive monitoring if unusual events occur.

Scripts for monitoring in that AO setup as well as AO group database ...

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Recovery :: AlwaysOn Cluster Down Due To ClusDB Corrupt / Missing

Sep 5, 2012

I have a 3-nodes AlwaysOn cluster (Windows Server 2008 R2 SP1 + SQL Server 2012 RTM), Node Majority quorum, the quorum vote for each node is 1. 

Today the AlwaysOn AG was suddenly down due to the cluster service on node 1 stopped and can't be started.

The error in eventlog is - 

The cluster database could not be loaded. The file may be missing or corrupt. Automatic repair might be attempted.
The Cluster Service service terminated unexpectedly.  It has done this 2 time(s).  The following corrective action will be taken in 120000 milliseconds: Restart the service.

The failover cluster database could not be unloaded. If restarting the cluster service does not fix the problem, please restart the machine.

The Cluster Service service terminated with service-specific error The system cannot find the file specified..

The error log in cluster log is - 

0000156c.000008f8::2012/09/05-08:09:36.057 INFO  [DM] Key RegistryMachineCluster.restored does not appear to be loaded (status STATUS_OBJECT_NAME_NOT_FOUND(c0000034))
0000156c.000008f8::2012/09/05-08:09:36.057 WARN  [DM] Node 1: Failed to unload restored hive from the registry with error STATUS_INVALID_PARAMETER(c000000d)
0000156c.000008f8::2012/09/05-08:09:36.057 INFO  [DM] Node 1: loading local hive
0000156c.000008f8::2012/09/05-08:09:36.057 ERR   [DM] Node 1: failed to unload cluster hive, error 2.

Now the cluster service can't be started on node 1, error code 2. Looks like the clusdb in C:windowscluster is missing or corrupted. How to restore the clusdb file? And how to prevent this happen again?

All nodes were well patched, AlwaysOn and cluster related hotfixes were all installed. [URL] .... doesn't wok.

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Recovery :: AlwaysOn - Changing Log File Growth Setting

Aug 5, 2015

I was looking to change the file growth setting in our AlwaysOn environment databases.We have a single availability group, one primary and one secondary replica. I learned that when changing the file growth setting on the primary databases (data file), the change flows though to the database on the secondary replica.However after doing the same with the log files, the file growth setting changed on the primary but the change did NOT propagate to the secondary.

Is the solution to apply the change directly to the secondary?here's the T-SQL code I used:

ALTER DATABASE myDB
MODIFY FILE ( NAME = N'myDB_log', FILEGROWTH = 512MB );
GO
SQL Server 2012 (11.0.5532)

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Recovery :: AlwaysOn Database (two Nodes) - Named Instances

May 28, 2015

I have a 2012 AlwaysOn DB Mirroring environment set up with two nodes. Both have 5 installs of SQL named instances.

The issue we are having is when we patch one server and fail everything over, some of the applications will error. Some of the applications had to have their web.config files updated with hostinstance name because it seems to not work with DNS.

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Recovery :: Multi Site AlwaysOn Setup With Different Subnet?

Nov 17, 2015

OS - Windows 2012 R2 Standard Edition.
DB - SQL 2012 Enterprise edition

Total 3 nodes participates for AO setup, 2 Nodes for Local HA and 1 Node for another datacenter for DR. All the 3 Nodes are same domain name and member.

1. Local First 2 Nodes are same subnet XXX.XX.44.XX
2. DR Node another subnet XXX.XX.128.XX

Does it require to add two different IP address while creating cluster name? Not using shared disk SAN storage etc.. I am using Node majority quorum witness setting for failover. 

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Recovery :: AlwaysOn DB Going Into Restoring State On Secondary Server

Jun 22, 2015

I noticed that after a SQL AlwaysOn failover, one of the DB in the secondary replica is stuck in Restoring state. The primary replica shows that it is in a synchronized state. These are the error logs from SSMS. How do I trace the cause of the problem?

Error: 5901, Severity: 16, State: 1.
Nonqualified transactions are being rolled back in database for an AlwaysOn Availability Groups state change. Estimated rollback completion: 0%. This is an informational message only. No user action is required
Error: 18400, Severity: 16, State: 1.

One or more recovery units belonging to database  failed to generate a checkpoint. This is typically caused by lack of system resources such as disk or memory, or in some cases due to database corruption. Examine previous entries in the error log for more detailed information on this failure.

The background checkpoint thread has encountered an unrecoverable error. The checkpoint process is terminating so that the thread can clean up its resources. This is an informational message only. No user action is required.

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