2005 Mirroring For Centralized Backup?
Jul 24, 2007
I am new to 2005 mirroring but have read a lot of documentation on it. I want to use mirroring to centralize a bunch of DBs to one location and then back them up from that central point. However, from what I've read since the mirror is kept in a "recovering state" it cannot be accessed directly. Does that mean I wont be able to backup the mirrors? If so, are there any work arounds or different strategies for this?
Thanks!
Craig
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Apr 25, 2007
We are looking at providing a Disaster Restoration Plan for our customers and would like to know what advantages does Mirroring have over Commvault Galaxy OR do we use them together?
thanks.
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May 14, 2007
Suppose I have a 3rd party SQL backup software to backup my databases, can I also setup a stand-by server for log shipping?
I'm not sure if this is possible? If not, is SQL mirroring a choice instead of log shipping?
Thanks a lot!
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Feb 24, 2003
Hi,
We have 5 servers with MS Sql Server 2000 with sp2.
We need latency near to real time.
One server is the Central, at this server is happening changes in centralized tables like articles for example. At the rest of servers is hapenning changes in operational tables like orders for example.
I have implemented the use of one publication of merge replication for all objects in one way using -ExchangeType 2 parameter of merge agent, upload only from suscribers. And other publication with some tables that are the centralized tables with ExhangeType 1, Download only to suscribers.
The -ExchangeType only delay the changes, for this we need delete msmerge_contents and msmerge_genhistory because the other changes we want discard.
The administration of changes at the scheme are made it at the first publication the general publication.
The distributor database is at the Central server.
Is this correct ?
Because i have problems with msmerge_genhistory index. I think that the problem is the use of the same server for the two publications.
This way is for better replication administration.
I appreciate any help.
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Mar 10, 2004
hi to all,
I am using VB as front end application and MS sql server as back end.
I want to make the database centralized.
does anybody know how to connect the database across the network?
thanks in advance for your anticipation.
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May 30, 2014
I am not sure how to tackle the following. Environment has SQL Server 2005 and above which hosts one database (table1 & table2) per server. I have created a new SQL 2012 server (database called collection (table1 & table2) which will be the central point. I need to do the following:
1. Connect to each server get the data from specific table
2. Add a additional column called "datasourceserver" and add the server name where data came from
3. Able to schedule this task so that new data are sync to SQL 2012 server
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May 28, 2014
i know how centralized database works ,In a centralized system, I'll store it on one server. Then, I'll replicate that exact information to Server #2 for safekeeping.All the data's will be placed on root server,but i don't know diff between cloud and centralized database how they are working together.....
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Aug 13, 2013
I am having a problem with the disk usage reports after creating a centralised MDW on SQL Server 2008, this is the report displayed when you drill down onto a specific database.
When I drill down on a database on the local server to the MDW database the disk usage report is shown correctly.
However, when I drill down onto another servers database I receive the following error: A data source instance has not been supplied for the data source 'DS_TraceEvents'.
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Apr 17, 2014
I Enabled Data Collection on one of the server and planned to make it as Centralised Management Data Warehouse I configured data collection on it and can view reports. Next, I went to other server and configured "Set up data collection" to use my first instance as the centralised Database. But the issue is I can only see reports of first server. Am I missing something here.
I did exactly as explained in this video [URL] .....
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Jul 12, 2007
I am trying mirroring in my own laptop in 2 different instances of 2005 but when i configure it gives me an error "one or more of the server network addresses lacks a fully qualified domain name (FQDN). Specify the FQDN for each server, and click start mirroring again"
does anyone know what is the problem???? i read one post but could not understand properly.
Narayan
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Dec 28, 2006
i setup sql 2005 mirroring
when i run the wizard and start mirroing i get the folllowing error:1418
in the log it says database mirroring login attempted by user NT AUTHORITY/ANONYMOUS logon does not have connect permissions on the endpoint
my service acount is LOCAL SYSTEM
all 3 sql servers are in same workgroup
i can connect with studio to all 3 with no problem
any one have any clues here
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Jul 31, 2007
Hi everyone,
I have a project on my hand in which i need to implement two SQL 2005 servers
And configure it as DB mirroring.
I know that for the sake of 'fail over' I need to configure a witness
server as well.
My question is:
For the purpose of the mirror server and the principle server - what
are the software requirements (enterprise, standard?)
For the purpose of the witness server - what are the software
requirements (enterprise, standard, express?)
Should the witness server be a 'server' in terms of hardware...or is
it enough to establish a strong pc machine?
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Apr 25, 2007
Hi guys,
I have read many articles on the matter and I have probably used up all my printer's ink in doing so, however, some questions still remain.
1) What happens if I have to reboot the mirror.. security update, etc.? Obviously the session is broken during reboot, but would I have to do another backup of the principal and resync everything?
2) I know it is not best practice but at this point I have no choice, however, I wanted to get your guys feedback on having two instances of SQL2005 on my development box. One for the mirroring of the production and the second for development. The two instances would live on their own drive... not partitioned and have adequate memory and space.
What would I have to look forward with this?
3) Lastly, I am still uncertain if mirroring is approved for production. Is it?
Thanks for your help.
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Jul 20, 2007
I am working on a proof of concept to take to our Technical Board.
This POC is concearned with SQL server 2005 Mirroring for High Availability and Failover in a Highly Critical business sector.
The problem is that we use custom web pages to give the Operations Center an overview of the status of the system and that there are so many metrics available (not may are well documented). I have looked at the following
sys.database_mirroring_witnesses
is_suspended to show the state of the Sync
database_name to return the name of the mirrored database
safety_level_desc to show that the Safety level is at Full
Principal_server_name to show the name of the Principal server
Mirror_server_name to Show the Name of the Mirror Server.
I am at a loss as to what is the best approach as I do not want to display too much Information and confuse.
The Servers are locked down to remove any permissions not required so I have to create a SQL account with only acces to the required sys views. one issue is that the following SQL only works on the Principal
Code SnippetSelect * from sys.database_mirroring where mirroring_guid is not null
The Principal returns
Code Snippet
7 267CF8D3-8066-44EA-84BD-B7EA25C3F779 4 SYNCHRONIZED 2 MIRROR 20 2 FULL 1 TCP://DNGLHRSQL051.XX.XX.XXX:5022 DNGLHRSQL051 TCP://LHRSQL029.XX.XXX.XXX:5023 1 CONNECTED 40000000010300001 10 NULL UNLIMITED
where the Mirror will return nothing..
The configuration of the User is identical on both Principal and Mirror and is as follows
Master Public
MSDB Public, dbm_monitor
I have read that the User also requires "view any Database" but on the Mirror this database is not available on the Mirror as it is in Sync.
Is this an undocumented Feature?
Any help greatly appreciated
Regards
Andy
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Aug 16, 2006
I am trying to set up a SQL mirroring senario - I have some questions
Do I need to purchase an extra SQL Server license for the SQL server instance on the Mirror? what about the Witness does that also need a separate license/
Can the witness be a virtual server on the Mirror box itself? Do I still require a license if the witness is on a virtual server?
Thanks
jawahar
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Feb 5, 2008
Hi all,
I am using SQL 2005 (Enterprise Edition, SP2) Mirroring with a Principal, Mirror and Witness set to High Safety mode and am a little confused!
As far as I understand it, during a failover, although the database content will automatically be available on the Mirror any user accounts will need to be either manually created or manually mapped to the new principal. Is this the case? If so, I can't really see the purpose of using Mirroring (in my scenario anyway).
For example - We principally use the database servers for our web applications which we connect to using ADO.NET. Each database and Web app has a different SQL user account to allow access etc. If we experience a failover this means the users will not be able to use the web app until we have manually recreated/mapped the SQL accounts for each and every database. Surely this is a massive oversight?! Or am I simply getting the wrong end of the stick.
Any help/guidance would be greatly appreciated!
Thanks,
Richard
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Dec 5, 2006
What is the difference between "Files aned File Groups" backup and Partial Backup?
Looks like both are same.. Please comment.
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Feb 22, 2006
Hello all,
Many people are angry at MS for promising and not delivering on the mirroring feature of SQL 2005.
Does anyone have any idea - officially or unofficially when this feature will be available for reliable use, as we would like to use it.
Thanks,
S.
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Mar 14, 2006
I'm devlving into 2005 and specifically mirroring.Having read the following article (http://www.microsoft.com/technet/pr...5/dbmirror.mspx ),is mirroring a sensible option as it indicates that it should not beused in a production environment, yet the SQL2005 seminars I've been toindicate that this is a worthy option.Do we also need a witness server, or can this be done (sensibly) withtwo SQL2005 servers ?Currently we have 2xSQL2000 (clustered) servers and a SAN for the data.If we go down the route of mirroring, it looks like we can get rid ofthe SAN and Cluster and use the mirroring instead.Any advice on the pro's / cons would be appreciated.ThanksRyan
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Nov 7, 2006
Can I know is it possible using database mirroring for only certain tables from the database, not for the whole database in sql server 2005. Hopefully able to get any assistance here. Thx alot.
Best Regards,
Hans
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Oct 10, 2005
Hi, for SQL 2005 - to set up database mirroring, is it required to have Active Directory installed or to be part of a domain? I am looking to use a workgroup with the SQL machines only and to not reference any domain and cannot find this information - is this possible?
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Mar 16, 2007
Hi, im trying to mirror a database with SQL server 2005. I have completed all the setup for this, including attacthing a copy of the principal database and all the other settings. When I completed the Mirroring wizard, it prompted me to start mirroring and when I accepted, it gave to me the following error:
TITLE: Database Properties
------------------------------
An error occurred while starting mirroring.
------------------------------
ADDITIONAL INFORMATION:
Alter failed for Database 'CTM'. (Microsoft.SqlServer.Smo)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=9.00.3042.00&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Alter+Database&LinkId=20476
------------------------------
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
------------------------------
The server network address "TCP://DBNAME.domain1.local:5022" can not be reached or does not exist. Check the network address name and that the ports for the local and remote endpoints are operational. (Microsoft SQL Server, Error: 1418)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.3042&EvtSrc=MSSQLServer&EvtID=1418&LinkId=20476
Can anyone help me withthe problem.
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Oct 25, 2007
We have a .NET application with a backend SQL 2005. The issue started when we setup DB mirroring on this db. The issue is an System.InvalidOperationException that is thrown every once in a while when connecting to the databases. The message is 'Internal .Net Framework Data Provider error 6.'.
Both Operating System (Windows 2003) and databases (SQL server 2005) are up to date, including all Security Updates and Service Packs.
The issue disapeared when we stopped db mirroring.
Any one has this issue?
Thanjs
Ayad
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May 10, 2006
Hi....
I have sql server 2005 evaluation edition. And This version doesn't provides Mirroring option.Even after installation of service Pack1. Is there any other edition (Freeware or Evaluation) which provides the Database Mirroring.
waiting for the prompt reply.
Thanks
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Feb 1, 2007
Can I use Database mirroring between 2005 Std and 2005 Ent editions?
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Dec 7, 2006
Hi, iam from Mexico,
somebody has installed SQL 2005 with mirroring and sharepoint 2007?
regards.
thanks
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Apr 15, 2008
I have only one tape drive.
My server is using the SQL server 2005 backup tool and arcserve backup tool to backup different files .
Everytime I need to disable and enable the tape device driver (in device manager /windows) before I can use SQL server 2005 backup tool.
Everytime I need to disable and enable the tape device driver (in device manager /windows) before I can use arcserve backup tool.
It seems that the tape device resource is held by softwares even the tape drive is not in use.
What should I do to make the tape drive shared by different softwares?
Regards,
Manuel
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May 3, 2008
Server A = primary SQL DBs (mirroring origination)
Server B = failover SQL DBs (mirroring destination)
For database mirroring a witness is required.
Can the witness live in another instance of SQL on server B?
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Mar 8, 2007
Hello, My question is simply: according to BOL, a DB snapshot taken from a Mirror is read-only. Say I wanted a temporary (disposable) read-write DB created from the snapshot. Is there a way to generate a writable temp DB (that's not tempdb) from the snapshot? Thanks,AK
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Sep 28, 2007
I am developing an enterprise class solution using SQL Server 2005 and MS .NET v2 and am tying determine if SQL Server 2005 (which edition and if so how) would be adequate for my proposed solution. Any feedback, tips, comments would be greatly appreciated.
As a background the solution I am developing will be web services based and used by multiple offices around the globe by over 500 users. I have already developed a prototype using a single SQL Server 2005 instance but as this solution is going to be used by offices around the world I want to have an IIS Server and SQL Server 2005 server instance in each office with "links" back to the primary SQL Server 2005 cluster in Australia.
One of my thoughts was to set up replication between the offices that would happen at midnight remote office local time and then set up triggers to update the primary cluster when assoociated data was changed on the remote sites or on the primary cluster. Does anyone know or can anyone suggest alternatives to this strategy?
I effectively need some sort of inter site caching functionality with store and foreward capabilities ...
Thanks
Andrew
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Dec 4, 2007
Hi,
I was hoping to learn from real world experience regarding the hardware requirements for SQL 2005. For both the 32 and 64 bit OS the minimumn recommendaiton is single processor, 1GB or more, 512 MB RAM.
http://www.microsoft.com/sql/editions/enterprise/sysreqs.mspx
This seems very thin and I was wondering if anyone had recommendations for hardware configs for a mirrored db cluster? I'm filling in as a DBA and apologize for the ignorance.
Jody
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Sep 27, 2006
Hi All,
I get a general question about the feacture "Database Mirroring". Is it support by SQL Server Standard. Edition without SP1?? Of i still need to upgrade the server from SQL Server 2005 to SQL Server 2005 with SP1?
Another question: are there any problem if the one machine(server) has installed SQL server 2005 Standard edition and the other with "Developer Editon".
I hope some one can answer my question. Thanks anyway!
Regards,
Pat
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Jun 4, 2007
Is it possible to use DTC (or cross database queries) with mirroring on SQL 2005 Service Pack 2?
Thnx,
GoranP
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