DB Engine :: Failover Cluster Instance With Mount Point
Jun 25, 2014
I've a fresh installation of SQL Server 2014 Enterprise on Windows Server 2012R2. I've setup de Windows Server Failover Cluster and the validation test has been successfully passed. I use mountpoint so I've disk M: that is the host drive for mounted volume m:Isql2014A that is the base folder for mounted volume
On that folder I've 5 mountpoint:
1) m:isql2014a empdbdata
2) m:isql2014a empdblog
3) m:isql2014auserdata
4) m:isql2014auserlog
5) m:isql2014auserlog
into these 5 mountpoint I've placed the SQL Server files.
After the installation of the first FCI I've re-run the cluster validation wizard and again it has passed successfully. When I try to failover the instance from one node to the other I have 2 problem:
1) every time I do failover, some disks fail to come online for a while and then succeed :
Cluster resource 'CLD - IstA - TempDB Data' of type 'Physical Disk' in clustered role 'SQL Server (ISQL2014A)' failed. The error code was '0xaa' ('The requested resource is in use.').
2) sometimes the SQL Server service fails to start, in the error log I see that the master database is not accessible. The master database in into the m:isql2014abinbackup.
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Aug 6, 2015
I am new to SQL Server 2012 clustering.I added a new instance to one of the two nodes.when I try to move it to the other node it fails.Do I need to install it on both?If so, what options do you install on the second node?
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Oct 13, 2014
In QA we have a two-node cluster with four instances of sql. In trying to add a fifth, I was given an IP address already in use so the install hung.
I removed it from the cluster but it is still there in the registry etc on the node I was working on.
I read about using the maintenance tab of the sql server install to "remove a node" but the terminology is confusing. To me a node is a physical server and an instance is an instance of sql server -- not the same at all but they are often referred to as the same thing.
I definitely don't want to remove one of the servers from the cluster.
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Jul 26, 2007
When restoring a database where the data file(s) are located under a mount point, seems to be a problem with reporting free space available.
DB Size - Say 30GB (25 Data, 5 Log)
E: Drive 20GB with 15GB Free
Restoring database file to
E:SQLMountPoint
- This points to separate disk with more than enough free space
SQL prevents the restore by stating there is not enough free space.
A long work around is
assign a drive letter to the large disk
Restore database using temp drive letter - F:SQLDATAMyDB_Data.mdf
Update sysfiles - changing drive & path - E:SQLMountPointSQLDATAMyDB_Data.mdf
Stop & restart database...
Is there a better way???
Wishlist - Restore only warns about free space - but allows continue...
Regards
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Mar 13, 2006
Replication in SQL2K required a common file share between publisher and subsriber.
Our security policy will not allow our DB servers to communicate via net bios across the firewall.
Can SQL2K5 perform replication using the normal database communication ports (1433 or 2433)?
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Sep 14, 2006
Dear all,
I was trying to create filegroup and files on Mount Point, e.g. C:MOUNTFG1D1
If I try this:
.......
FILENAME = 'C:MOUNTFG1D1FG1F1.ndf',
It doesn't work, no matter what ACL I set on C:, C:MOUNT, or C:MOUNTFG1D1
But if I do this:
......
FILENAME = 'C:MOUNTFG1D1DATAFG1F1.ndf',
It will work, no need to set any ACL at all.
Any ideas?
dong
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Apr 20, 2015
Im backing up to a network directory thats actually a mount point on a different server.My backup was slower than usual so i opened up perfmon to have a look.
When selecting the mount point from the Logical Disks section in perfmon i can see that writes/sec & write bytes/sec both show zero for a long period of time, even though the backup percent complete is increasing.Then all of a sudden the writes to the network share jump massively.
Is there some caching mechanism for backups in sql where during a backup data is only flushed to the disk periodically during backup?
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Jul 23, 2015
would like to know if it's possible to install SQL Server Failover cluster instance with shared storage along with standalone installation with Always on ( always on uses WSFC underneath).
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Oct 29, 2015
1. Once fail over to secondary replica, what will happen to connected session in primary node? can the session fail over to secondary seamlessly or need to re-login. what happen committed transactions which has not write to disk.
2. Assume I have always on cluster with three nodes, if primary fails, how second node make write/ read mode.
3. after fail over done to 2nd secondary node what mode in production(readonly or read write).
4. how to rollback to production primary ,will change data in secondary will get updated in primary.
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Oct 29, 2015
1. In alwaysON fail over cluster, Once fail over to secondary replica, what will happen to connected session in primary node? can the session fail over to secondary seamlessly or need to re-login. what happen committed transactions which has not write to disk.
2. Assume I have always on cluster with three nodes, if primary fails, how second node make write/ read mode.
3. After fail over done to 2nd secondary node what mode in production(readonly or read write).
4. How to rollback to production primary ,will change data in secondary will get updated in primary.
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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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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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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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Oct 2, 2007
Hi I just set up a new cluster and everything was working. Now when I try to test failovers like unplug the public network card etc...
The cluster group fails over correctly but my data and log array's dont failover.
So I unplug the network cable from node 1 (active) the cluster group with the IP, name, and Quorum disk fails over to node 2 but the other groups sql data and sql log stay on node1 and dont failover.
Any ideas?
TIA
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Mar 9, 2007
Hi all:
I was wondering what will happend to the transaction when the cluster failover from one node to another?
In my case the database is in node-001 and I need to restart the server on node-001. So I need to have the database failover to node-002, so I can work on node-001. During this process, will it effect to end-user?
Thanks
vua
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Feb 29, 2000
We need to start testing our Microsoft cluster servers.
Has anyone heard of any plan or products one can use to test
the failovers?
Please advise
Thanks
Susan
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Apr 23, 2007
We are running on SQL 2000 on Windows 2003. We have active-passiveclustering set up. We have 16 GB of RAM on each box. This pastweekend, we failed over. I noticed that the Total Server Memory wentfrom about 15.5 GB to 8 GB. I have been trying to figure out why thishas occurred. Any help would be greatly appreciated.
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Apr 9, 2008
We need to install the webservice and the database on a failover cluster. Our plan was to install the web service on node 1 and the database would naturally be on the cluster aware sql service. We know the RS will not be cluster aware and if node1 bites the dust, reports will be out of business.
We were planning to do this tommorow on development, but then found this little tidbit - read the very last paragraph
http://www.microsoft.com/dynamics/crm/using/deploy/clusteringssrs.mspx
SQL Server Reporting Services failover cluster configurations that are not supported
Do not deploy both SQL Server Report Services and the reporting services databases on each node of a multi-node cluster. Moreover, do not deploy SQL Server Reporting Services in a two-node cluster environment that consists of an active node and a passive node where the passive node becomes active during a failover.
They don't explain why not to do it - as if it will destroy your machine! This is our main dev cluster and we don't need it to go down.
We will not be installing the RS on each node, just one. But I was thinking that if the dns entry for the service points to N1, it will continue to function and make successfull DB calls to the sql server cluster name.
Could this work? I've found posts of people installing RS on both nodes and having success - but this would probably require another license...which we don't have.
Thanks so much for your help - it is greatly appreciated.
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Nov 29, 2004
Hi all,
I need help to send notificaiton mails as soon as my active sql switch to passive one..
sp3a : 2000 Ent Ed.
windows 2003 Ent Ed.
Cluster: A/P
thanks in advance..
Regards
Deepak
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Jan 25, 2008
Hi. Was hoping to get some advice on applying a hotfix to a SQL Server 2005 failover Cluster.
The hotfix I am applying (KB933508) relates to a Maintenance Plans issue with Server 2005 Service Pack 2. During installation I'm advised that unless the SQL Server and other services are stopped a reboot will be required, although I can still install the hotfix. However the installation is failing. There are error details in the relevant logs created in C:Program FilesMicrosoft SQL Server90Setup BootstrapLOGHotfix to the effect that the 'Debug' value in registry key 'SoftwarePoliciesMicrosoftWindowsInstaller' can't be read and that SQL Server was unable to add a user (the account under which SQL Server Agent and Analysis Services run) to a local group (the domain group in which SQL Server logins are contained).
Is this something simple like explicitly shutting down the services first before applying the hotfix or is there something else going on?
Regards,
YaHozna
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May 18, 2004
Hello,
Does any one know, any software out there that can provide a solid failover / cluster / high availability solution for SQL Server 2000 Databases.
I have tried Incepto but it requires an extra column in every single table that involves in Replication and its not gonna work
So Please advise.
Thanks,
imransi.
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Mar 29, 2014
I have virtualbox installed on my notebook. For testing purpose, is it possible to setup SQL Server Fail-Over cluster using virtual box? I don't have a shared storage. How can I simulate that?
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May 5, 2014
How to create a SQL 2012 Failover cluster using VMs?
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Mar 12, 2015
I have a 2-node Windows Cluster and File Share Witness with an availability group. The cluster is set to sync and auto failover. I'm using SQL 2014 and Windows 2012R2. I'm trying to understand the steps to apply Windows Updates that require a restart. Are the steps something like this where ServerA is the primary replica and ServerB is the secondary replica.
Apply updates to ServerB.
Restart ServerB.
Fail ServerA availability group to ServerB using ALTER AVAILABILITY GROUP MyAvailGroup FAILOVER;. Server B is now the primary.
Apply updates to ServerA.
Restart ServerA.
Fail ServerB availability group to ServerA using ALTER AVAILABILITY GROUP MyAvailGroup FAILOVER;. Server A is now the primary.
What I don't understand is where Drain Roles on the Failover Cluster Manager fits in?
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Jul 23, 2015
We have 2 nodes window Server 2012 R2 and SQL Server 2012 Enterprise Version cluster setup. We can switch roles and Node to one node to another and revert back to previous node with out any issues. But we are facing when one Node is restarted. We could not restart that Node in cluster Service start in Failover cluster Manager. Error Details is displayed as below inside double code."Cluster node NODE1 could not to join the cluster because it failed to communicate over the network with any other node in the cluster. Verify the network connectivity and configuration of any network firewalls."
I checked windows firewall. windows firewall is all of in Node1, Node2, SAN and DC.I have disabled and enabled the Internal and private network of Node 1. I have validated the cluster. it is showing no error though.
Node1:
Public IP: 10.10.0.11
SubNet Mask:255.255.255.0
Default Getway: 10.10.0.1
Prefered DNS: 10.10.0.10 (Ip of DNS)
[code]....
Private Network: Not configured.pinging to each other ip is successful from one node to another.
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May 2, 2008
I noticed in installing a SQL2005 failover cluster instance,that it is not necessary to install on both servers. Installing on the primary node automagically installs to the secondary node. Does this constitute a COMPLETE install? It all seems to work. BUT this process does not intall client pieces (SSMS, for instance) on the secondary node. If you want that stuff there, do you then go to that box and just do a client install?
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Dec 5, 2007
I am trying to install SQL failover cluster on one of my nodes so it should install sql on the 2nd node. It keeps coming back saying setup failed to start on the remote machine. When I look in scheduled tasks it is listed as could not run. Can someone please help.
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May 11, 2006
Hi All,I would like to set up transactional replication with failover cluster.Did anybody tried this? Does it work together? Is there anything Ishould be coutios when I set up these together? or Is there anyglitches?If somebody helps me I will really appreciate itThanks
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Aug 11, 2006
I have a mystery that I need a little help with. I am trying to install SQL Server 2005 Std Ed. into a two node failover cluster running on top of Windows Server 2003 Enterprise Ed.. I have the cluster up and running. It consists of an IP address, cluster name, a shared drive (E:), and an MSDTC resource. When I run the SQL Server 2005 setup, the failover cluster option is always grayed out. I have tried installing from the active node and from the cluster virtual server. The result is always the same, no option to install a failover cluster. Some suggestions would be appreciated. I have read all the online docs I could find related to SQL 2005 failover clusters and found no clue.
Thanks,
VARiflesmith
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Dec 12, 2006
We have sql server 2005 installed locally on 2 servers and want to set up failover clustering. Do we need to uninstall what we have then install as failover cluster? Thanks.
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Sep 19, 2007
When trying to install SQL 2005 as a failover cluster in a Windows 2003 64 bit SP 2 cluster, I receive the following error when trying to select the installation path after choosing to install as a failover cluster.
_________________________
TITLE: Microsoft SQL Server Setup
------------------------------
The drive specified cannot be used for program location. Program files must be installed on a valid local disk available on all cluster nodes. The valid values are
__________________________
There is a knowledge base artical that says this can be from not installing the software with an account with admin permissions on all the servers in the cluster with the 64 bit install, but the account I used is an admin on both servers.
The only thing that I can think is causing the problem is that it is setup to boot from our SAN and it is using one fabric. By default Microsoft Clustering doesnt like this, but we use the newest storeport driver and applied the registry key supplied in KB article 886569 to resolve this. I could not find any documentation showing that this would limit a SQL 2005 Failover Cluster from seeing the shared storage.
Any help would be greatly appreciated.
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May 8, 2015
I am using SQL 2012 SE with clustering on Windows server 2008 R2. Now I want migrate it to windows server 2012 with minimal down time. So I want to evict the passive node and add a new node with windows server 2012 and install sql server 2012 SE on the new passive node and perform a failover(make the node with 2012 OS as active) and then evict the new passive node and add another node with windows 2012 and then do the same thing?
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Jul 30, 2002
What happens to batch jobs running in a SQL Server 2000 clustered environment during the failover process?
Assuming the jobs fail during the failover process, how should they be handled?
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