To Cluster Or Not
Jan 20, 2005
I realize this is like arguing politics or religion, but I have some wide tables that have frequent inserts on. SOme of these tables have millions of rows. I have seen pros and cons of having clustered indexes on tables like these. The one curve ball is that this is a vendor supplied app that I have little control over (ie how they call data is all dynamic sql). I thought the rule was not to cluster index on large tables with frequent indexes, but happy to hear other opinions
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Oct 10, 2015
During the installation of Adding node to a SQL Server failover cluster(On passive node) getting error like.. The MOF compiler could not connect with the WMI server. This is either because of a semantic error such as an incompatibility with the existing WMI repository or an actual error such as the failure of the WMI server to start.We run the below commands but didn’t get any resolution & got the same above error .
1<sup>st</sup> Method…
1. Open console command (Run->CMD with administrator privileges).
2. net stop winmgmt
3. Rename folder %windir%System32WbemRepository to other one, for backup purposes (for example _Repository).
4. net start winmgmt
2<sup>nd</sup> Method..
1. Disable and stop the WMI service.
a) Command : - sc config winmgmt start= disabled
b. Command : - net stop winmgmt
2. Run the following commands.
a). Command: Winmgmt /salvagerepository %windir%System32wbem
b). Command: Winmgmt /resetrepository %windir%System32wbem
3. Re-enable the WMI service
Command: sc config winmgmt start= auto
Last command to run after above steps
4. Command: mofcomp "%programfiles(x86)%Microsoft SQL Server100Sharedsqlmgmproviderxpsp2up.mof"
File not found Error for above command.
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Jun 10, 2015
I am in the process of moving databases from a SQL 2005 Standard version to a 2-node 2014 cluster.All of my 2005 databases back up successfully.They all restore without issue except for one database that has a full text catalog. I get this message
Msg 7610, Level 16, State 1, Line 2
Access is denied to "fileStoragedataMSSQLSERVERFullTextCatalog", or the path is invalid.
Msg 3156, Level 16, State 50, Line 2
File 'sysft_FTCatalog' cannot be restored to 'fileStoragedataMSSQLSERVERFullTextCatalog'. Use WITH MOVE to identify a valid location for the file.
Msg 3119, Level 16, State 1, Line 2
Problems were identified while planning for the RESTORE statement. Previous messages provide details.
Msg 3013, Level 16, State 1, Line 2
RESTORE DATABASE is terminating abnormally.
[code]....
I went as far as giving the folder full access to everyone temporarily and received the same error.
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Apr 10, 2014
I ran the Advanced cluster preparation for a new sql instance on an existing cluster.
Slq Server 2012.
After is completed, it was successful, I realized I specified the wrong Instance Root directory.
Is it possible to remove what the preparation installed? Or is it possible to change the root directory?
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Jul 6, 2015
Can I build a cluster by adding the cluster service, then the SQL instances, then add the other nodes and their passive SQL instances?I would lean to building the cluster first, the add the SQL instances.
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Feb 18, 2014
I´ve been reading that SQL Server 2012 Always On is dependent on having a Windows Failover Cluster setup. Is that correct ?
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Nov 6, 2014
I have following script which i am planning to run to drop all non-clustered primary keys on a database and then created as clustered. I am using someone else's script so don't know how to modify this. Some of primary key columns are used in references in other tables.
is there anyway i can drop the existing primary keys and using their original script then create again as clustered including restoring all foreign and reference keys and unique or no unique.
DECLARE @table NVARCHAR(512), @tablename NVARCHAR(512),
@sql NVARCHAR(MAX), @sql2 NVARCHAR(MAX), @sql3 NVARCHAR(MAX),
@column NVARCHAR(MAX);
DECLARE @indexname NVARCHAR(512);
SELECT name As 'Table'
[Code] ....
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Oct 8, 2015
can we join a node in a windows cluster which is already in a different cluster?
We have this requirement as we need to setup readable secondary ( always on AG) on the third node.
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Jul 15, 2015
We are planning to change all IPs of PRODUCTION Failover Cluster Setup. In my cluster setup ... we have 2 Physical Nodes with windows-2008, Roles are MSDTC and SQL-2008R2.
IP change for:
1. Both Nodes(Physical)
2. MSDTC
3. SQL Server
4. windows Cluster
So Almost... All IPs are going to change.
Im DBA here, I need to take care of SQL cluster and MSDTC. But I haven't performed this activity before.So I'm worrying about Impacts and consequences of this change. steps how should I perform this activity.
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May 20, 2003
Hi all,
We have many tables which have cluster index on column with datatype 'Char(200)'.
Does anyone have script to change cluster index to noncluster for all user tables which have clustered index on a column with 'char(200)' datatype.
Thanks,
Deepak
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Jul 26, 2015
Wanted to know about difference between cluster and non cluster index with example.
When to use cluster index and non cluster index .
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Jun 10, 2015
CREATE TABLE [dbo].[Access](
[AdminID] [int] NOT NULL,
[FnID] [int] NOT NULL,
CONSTRAINT [PK_AccessFn] PRIMARY KEY NONCLUSTERED
[Code] ....
why the cluster and non cluster indexed created on the same key?
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Jul 17, 2000
I am trying to upgrade a SQL Server 6.5(Cluster) to SQL Serevr 7.0 (Cluster)..I already have an intsllation of 7.0(On a Cluster),so this means that 6.5 and sql 7 are on seperate cluster's ,if i try to upgrade from 6.5 Cluster to 7.0 Cluster is asks me to uncluster 6.5 and 7.0 is this correct ,assume i cannot break the cluster then what???.. what is the best way i can achieve this functinality.....
thanks in advance
Jack
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May 8, 2007
Hi
We are planning to upgrade the SQL Server in our production environment from SQL Server 2000 to SQL Server 2005. This is a 4 Node cluster environment with 3 Databases on 3 Virtual instances. The main requirement is to achieve this with no/minimal downtime.
Could you please suggest or direct me to any documentation for the best practices used to upgrade such an environment?
Thanks
Priyanka
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Aug 30, 2006
We have (had) an active/active cluster. 2 physical machines,
each running their own instance, clustered together. Node1/Ins1 and Node2/Ins2.
Node2 failed and Ins2 failed over to Node1 as it should. Node2 required that we
rebuild the server (rebuild = reinstall O/S). Now we need to get Node2 back
into the cluster and get Ins2 failed back over to Node2.
Does anyone know, for certain, the correct steps to accomplish this? Obviously,
we could backup everything and completely destroy Ins2 and recreate it on Node2
then rejoin the cluster. But I'm looking for something less destructive.
Is it possible to reinstall SQL, then rejoin the cluster, and then fail Node2
over? Or will there be registry conflictions?
Any help would be appreciated. Also, if you have any links to some official
documentation, that would be great too.
Thanks
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Dec 28, 2007
We're upgrading a SQL Server 2000 cluster (Active/Passive) running on Windows 2000 Server to a SQL Server 2005 Cluster running on Windows Server 2003. We can't purchase new hardware and we have no spare hardware. We also need to move from Windows 2000 Server to Windows 2003 Server at the same time. We want to keep downtime to a bare minimum.
What we were thinking was the following steps... Anyone try this?
1. Break the link between the servers.
2. Install a fresh copy of windows 2003 server on one side along with SQL Server 2005. While this step is running, the active node would still be live on Windows 2000 Server and SQL Server 2000 serving our customers.
3. Restore a copy of a backup from the active production side to the node we're upgrading and at that point we would bring the active node down, switching the active node to be the newly upgraded server.
4. As a final step, the old active node would now have the link to it broken, we would install a fresh copy of windows 2003 server on it and sql server 2005. At this point we would bring it back into the cluster and the cluster would be complete again.
Thoughts?
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May 14, 2008
Friends -
Need your help and guidence for doing upgrading SQL Server 2000 Cluster to SQL Server 2005 Cluster.
Let me explain my current environment.
1. Currently SQL Server 2000 Cluster environment is running on Windows 2000 Server we need to upgrade this to SQL Server 2005 on Windows 2003 Server. >>> Production environment.
My Plans:
1. On Testing Environment Install SQL Server 2000 cluster on Windows 2003 Server and do a restore of databases from the produciton environment.
2. Upgrade In-Place from SQL Server 2000 Cluster to SQL Server 2005 Cluster.
My doubts
1. Can i install SQL Server 2000 Cluster on Windows 2003 Server. Is it possible or not.
Please advise me and correct my steps.
Cheers
VSH
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Jun 13, 2007
Can the SQL Cluster Virtual IP be the same as the cluster IP?
Can I set up the cluster like:
Node 1:10.0.0.1
Node 2:10.0.0.2
MSCS Shared:10.0.0.3
SQL Virtual:10.0.0.3
or do they need to be unique?
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Jul 4, 2007
I have two Windows 2000 servers (Advance Edition) to form a Windows Cluster. I also install MS SQL 2000 Enterprise Edition on the cluster to form a MS SQL cluster. Now, I want to upgrade the hardware and OS (but keep on using SQL 2000), so I install Windows 2003 server Enterprise Edition on two new servers to form a new Windows Cluster. I am planing to install MS SQL 2000 Enterprise Edition on the new cluster, so the old SQL cluster and new SQL cluster are side by side. I would like to know how to setup a new SQL cluster (I know it has problem to rename SQL Cluster name, so how to fix this problem)? And how to transfer everything (such as system databases, users database, sql user account, password and maintenance plan jobs etc) from old SQL cluster to new SQL cluster? And how to switch over from old SQL cluster to new SQL cluster?
Thanks a lot !
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Mar 14, 2008
According to microsoft, we can cluster SSIS service but it is NOT RECOMMENDED.
http://msdn2.microsoft.com/en-us/library/ms345193.aspx
Now this is the situation that I have where I need to understand how SSIS works?
Enviornment: Active Active cluster enviornment for SQL server with SSIS server installed as stand alone as default on both node.
Name: Node 1 Node 2
--------- -------------- ---------------------
Server name: Nd1 Nd2
SQL server name: cs-nd1in01 cs-nd2in02
SSIS server name: Nd1 Nd2
BTW, this is cosolidated enviornment so there are more than one application expected and resides on each instance of SQL server.
The question is around SSIS, what would be the best practice to develop SSIS package that can work with above envoinrment.
Secnario: What if my Nd1 fails. SQL server cs-nd1IN01 will be failover to Nd2 and it will be available. But How about SSIS packages? How that understands
to use Nd2 SSIS as Nd1 SSIS is not available. Is anyone has similar experience to setup SSIS in cluster envionrment but as non-cluster service?
Please help. Thanks in adavance.
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May 15, 2008
Friends -
Could any one of you provide steps for upgrading SQL Server 2000 cluster to SQL server 2005 cluster.
My environment is Windows 2003 server.
Appreciate your support.
Cheers
VSH
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Apr 4, 2002
I am trying to configure a 2 node SQL cluster. MSCS is configured and is failing over correctly, however when I start the installation of SQL Server, and specify the IP address of the virtual server and hit next, the installation hangs, and stops responding. I have ran comclust.exe on both nodes and verified that MSDTC shows up in the cluster administrator. I have searched high and low to no avail---
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May 24, 2000
I installed MS SQl 7.0 on MS Cluster 1.0 as Active/Active
I have NT Ent with sp6 and Sql 7.0 with Sp1.
After two days from the installation one of the SQl Failed to get online we checked in the log I found that the master Database get corrupted.
after the investigation I found that the Heart Beat cable was not their.
My question is : can the heart beat cable cause this corruption.
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Aug 21, 2003
Please help. I recieved this WARNING message in My SQL Server Agent Error Log:
SQL Server MSSQLSERVER is clustered Autorestart has been disabled.
I run SQL Server 2k SP3 on WIN 2K SP3 clustered.
Thanks.
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Oct 28, 2005
i'm trying to rearrange the file locations of the mdf, ndf, ldf in a clustered environment (Active/Passive mode). If i changed the file location on the active mode would it propogate to the passive cluster automatically
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May 12, 2008
Hello everyone -
I need to install SSL on a SQL 2000 cluster system.
I have secured a certificate for the cluster name of the system with a fully qualified domain name.
I have placed the certificate on both nodes of the cluster in a location that both nodes has in common, but not in the cluster scheme.
I do not want the certificate to be applied to the whole server, just on a client by client basis.
thanks for the help!!
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Jul 20, 2007
Hi All,
Can I use a single shared drive to configure 2 cluster of Oracle and SQL server?
Let me explain my question a little but.
1) I have 2 Servers attached to a SAN box configured on Cluster (Active-Passive).
2) I have installed SQL and Oracle servers on each Server attached to the SAN box.
3) Lets say SQL server fails on Server A but Oracle is still working fine on Server A, Will there be a Failover?
Thanks in Advance
Sachin
Don't sit back because of failure. It will come back to check if you still available. -- Binu
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Nov 30, 2007
In 2 node active/passive cluster...how can we know which is active node?
how can we find ...virtual name/ip?
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Feb 5, 2008
Hi there
We have a new SQL cluster 2005 and we've done the testing for fail over with couple schenario based on Ms Documentation (prior installing SQL as well as after installing). We also did the benchmarking by running Perfmon as well.
In term of house keeping, is there any things that you guys do apart of configuring the SQL itself. Perhaps stress test (for SQL) etc etc.
Regarding stress test, do you any software that can do this?
Thanks
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Jul 20, 2005
I inherited a SQL 2000 Enterprise active/passive cluster under AS. Bothnodes run on identical HP DL580's with 4 Xeon processors and 8GB memory.The former dba attempted to setup AWE memory but missed a couple of finepoints. The first thing missed: the boot.ini only has the /PAE and no /3GBswitch. The second thing missed: sp_configure 'awe enabled' is set to 0.As a result, SQL gets only 2GB of virtual memory and 0GB of PAE memory.My question is how do I fix this on an active/passive cluster. Here is whatI think. Add the /3GB switch to the passive node and reboot the passivenode. Now it seems I am in trouble. If I pause the active node, I causethe passive node to wake up, but the memory images do not match. If I startwith the active node and add the /3GB switch and reboot, I fail-over to thepassive. Everything is still OK, the memory matches until I reboot, thenthe memory maps do not match.So, do I break the cluster, install the /3GB switch on each box and thenrecreate the cluster? Isn't there an easier way?Also, can I enable AWE before I begin the /3GB shuffle. I seems I couldavoid a second dance.Please help.Gary
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Jan 8, 2007
Hello all,
I've gotten approval at my work place to implement a new web server cluster. We currently have one web server running Windows 2003 and one SQL 2005 box. I've gotten approval to purchase 2 new web servers that will eventually become our primary servers.
I've browsed Microsoft's site but can't seem to find any FAQ's or How-Tos on clustering that are of any help. Is there anyone out there who has some info that could help me get started?
Thanks.
Richard M
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Apr 25, 2001
I just need something verified.. This has to do with IP's and names. We have a sql failover cluster. So is that 4 names.. One for each local machine, one for the cluster itself and one for the sql portion? I guess my question is can the cluster group and sql have the same name and IP or do they need to be different.
Thanks in advanced.
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May 12, 2001
Hi,
We are having SQL SERVER 7.0 on NT cluster.We have a problem registring server with enterprise manager. Actually it was fine for some time. But actually today to install servicepack we unclustered.It went with some errrors. Actualy we tried to recluster the servers .Every thing is fine but intially at the end it said that it can't connect to the virtual server host name.Now every thing seems to be fine but when we try to register the server with EM we can't do it now.But by using IP address we can register the server.We are able to connect by using SQL Query analyzer.Can anyone suggest me any thing.i greatly appreciate your help.
regards
MM
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