Drop Database in Active/Passive Cluster

Hi,
database is 10.2.0.4 on RHEL AS 4. Database is using ASM for the storage of physical files. This database is part of Active Passive cluster.
Can you please guide me as how can I drop this database and also remove the entry from cluster.
Thanks

Panicked DBA wrote:
Hi,
database is 10.2.0.4 on RHEL AS 4. Database is using ASM for the storage of physical files. This database is part of Active Passive cluster.
Can you please guide me as how can I drop this database and also remove the entry from cluster.
For dropping the database, using the DBCA is the best approach. After the removal, use the command srvctl to remove the entries from the OCR.
HTH
Aman....

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Active - Passive Cluster

Hey, I have to manage an active passive cluster on SLES10 SP4. Oracle 10.2.0.4
All oracle binaries are on a DRBD Device on mountpoint /oradata.
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I havent installed these systems. At one stage on node died and got reinstalled by a systemadministrator.
After a switch from the running node to the standby node, the cluster is not starting.
Jan 3 14:36:01 a logger: Cluster Ready Services waiting on dependencies. Diagnostics in /tmp/crsctl.6114.
Jan 3 14:36:14 a logger: Waiting for Oracle CSS service to be available before starting
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After issung $ORACLE_HOME/bin/localconfig add the cluster is starting, the asm instance is coming up, and also the database instance is starting.
Shortly after that the db instance dies. Alertlog is showing something like recursive sql error.
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In asmcmd the diskgroups are showing DISMOUNTED (show MOUNTED before)
so what to do ?
a) Why is it necessary to issue "localconfig add" to make the cluster starting ?
b) What could be a reason for not being able to write to the database ?
c) How would you guys install an active/passive cluster ?
c1) Install OS on both nodes
c2) Install oracle binaries
c2.1) on both nodes in the local files system and do the mapping to the drbd afterwards?
c2.2) only on one node and just switch the mountpoint ?
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Hi,
first of all please clarify, if you have Oracle clusterware installed, or just the local configuration for local ASM.
There is a big difference between the 2, and also using DRBD has nothing to do with Oracle clusterware (and is not supported by Oracle).
a.) Localconfig may be necessary for a local ASM installation in 10.2. Main reason is, that the CSS service configuraton includes the hostname (which changed if you switched nodes). Hence may not be able to start ASM. With localconfig you are fixing this issue.
Very important: It is not a good idea to run this is a cluster configuration, since it will break things (a lot of things).
b.) If the ASM diskgroup got dismouned, then the database cannot write. Hence your problem. Why the diskgroup dismounted, you should find in the ASM alert.log
c.) I would go for RAC One Node. Which has this all preconfigured. So it makes life easier. Search for "RAC One Node" on OTN for more information. At least I would take a manual cluster, and do mirroring by ASM, and not DRBD....
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c2) Install database software on both nodes locally.
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Dears,
I'm planning to deploy System Center Operation Manager 2012 R2 on SQL 2012 Active/Passive Cluster which have other sql instances running for other applications. And i'm planning to create a new instance for SCOM, kindly provide me recommendation
whether i can install all sql databases for SCOM on same sql instance or does it require separate instances for opsmanger database , dw database and ACS database?
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Hi,
Yes, all SCOM SQL databases can run on the same instance of SQL server.
As well, look at some helpful posts for the topic:
http://technet.microsoft.com/library/dn281933.aspx
http://blogs.technet.com/b/kevinholman/archive/2013/10/18/opsmgr-2012-r2-quickstart-deployment-guide.aspx
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### If my post helped you, please take a moment to Vote as Helpful and\or Mark as an Answer

Oracle Active / Passive Cluster Installation

Hi everybody,
I have searched a lot about installation of Active / Passive Cluster installation in Oracle on Linux, neverthless nowehere I found it.
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Hi,
if you are talking to a High Availability feature in OAS 11g then check the following document.
Reference
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Hi Dr_Sanchez,
According to
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[b]Managing Active/Passive Cluster.[/b]

Hi,
We are having active passive cluster
environment and we are running webMethods on
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The problem we are having is whenever we do
any changes we need to do a failover and then
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on webmethods and should get replicated on
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Amit.

If you are manipulating data-files, that do not affect the Application (in this case webmethods) then simply use the cluster console, which allows you to perform updates on multiple hosts at the same time.
Alternatively if you are making changes to the application itself then, does the application management software ( I am not that familier with webmethods) not allow you to distribute changes across an application domain, ie. using the application tools and not the underlying cluster framework.

Veritas Active/Passive cluster knowledge

Hi All,
Does anyone have any experience of Veritas Active/Passive cluster skills that they could share with me.
rgds
alan
Message was edited by:
alanm

Veritas active/passive cluster is very easy to use. I am not sure about linux but I guess even for linux there are having gui interface which is very user friendly. Its like cluster will use common storage and one node will be configured as active other as passive in case any failure occurs at node1 automaticly node2 will become active.

3 Node ASA active/passive Cluster possible ?

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we operate an active/passive cluster with 2 ASA5510 in Routed Mode.
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For failover you cannot implement more than two ASAs as a cluster. Either for Active/Standby or Active/Active solutions
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Can I configure the red hat cluster suite to implement an Active-Passive Oracle Service without configuring GFS Volume manager?
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This scenario is usually done through custom scripts.
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Non-domain user authentication against SSAS on Active/Passive Cluster

Hello,
We have an Active/Passive SQL Server setup (DB1 & DB2 Servers) connected to a cluster for SQL & SSAS. I have a web server not on the same domain that I am trying to authenticate with SSAS. This works OK if I set the website to impersonate
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Hi Jcorker,
According to your description, you need to access the SQL Serve Analysis Services database which is configured as cluster for SQL & SSAS from another domain, right?
In SSAS we can use the solution below achieve the requirement.
1.Create new domain account and impersonate the web site with that.
2.Create local user account on the analysis service with same exact username/password as like domain account created in the previous step.
However, you cannot create a local account with the same name on both servers. I have tested it on my local environemnt, we can create the same local account with the same name on both servers. In your scenario, if DB1 and DB2 on different server, you can
create a local account with the same name on both servers. Please post the detail errors, so that we can make further analysis.
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http://technet.microsoft.com/en-us/library/cc961481.aspx
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Charlie Liao
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Charlie Liao
TechNet Community Support

Restoring a database on the passive cluster - is it possible?

We have a database we need to restore and we plan to place it outside our AGs so it would need to be restored on both the active and passive cluster. Is this possible? I've read something about being "shared" on SANS so you don't have to "restore"
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Sue

Please try this:
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Please feel free to contact me at [email protected] as well as on Twitter and Facebook.
[My Writings on TechNet Wiki] [T-SQL Blog] [Curah!]
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MSSQL2012 active/passive cluster convert to active/active cluster

Good day.
We have 2-node active/passive MSSQL2012 cluster (on Win 2008 R2). One "default" instance.
We want convert to active-active, (multi-instance).
As I understand, one SQL instance (existing) will run on 1 cluster node and the second (new) instance on the 2 cluster node.
I have some questions:
- we have cluster virtual name and ip address for existing MSSQL instance, for the second MSSQL instance we need to create another name and ip ?
- for second MSSQL instance we can create 2 separate cluster disks (for DB and LOGS) ?
- for second MSSQL instance we can create another DTC instance and bind it to the second MSSQL instance ?
- we can use existing physical LAN connectors on our servers (data and heartbeat) or we need to add new LAN adaptors ?
- quorum disk is the same for all instances ?
Sorry for my bad English.

I have some questions:
- we have cluster virtual name and ip address for existing MSSQL instance, for the second MSSQL instance we need to create another name and ip ?
Yes that would be required.
- for second MSSQL instance we can create 2 separate cluster disks (for DB and LOGS) ?
Yes it will be in different resource group and you can have different disk for them.
- for second MSSQL instance we can create another DTC instance and bind it to the second MSSQL instance ?
Same MSDTC can be used for multiple instance.
http://blogs.technet.com/b/askcore/archive/2009/02/18/how-to-configure-multiple-instances-of-distributed-transaction-coordinator-dtc-on-a-windows-server-failover-cluster-2008.aspx
- we can use existing physical LAN connectors on our servers (data and heartbeat) or we need to add new LAN adaptors ?
Best to ask network team
- quorum disk is the same for all instances ?
Quorum is for windows cluster not for SQL server so Yes its same for all instances
Sorry for my bad English.
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

How to know the Cluster is active active or Active Passive

Friends
A quick and easy Question. I am pretty new to Clustering. How do I know the cluster is whether active active or active passive?

Hi Prasant,
Simple two-node, for Active-Passive cluster, only a single SQL Server instance is running. For Active-Active cluster, both SQL Server instances are running on each physical node of the cluster.
Generally, we can use one of the following options to identify the active node in a SQL Active-Passive Failover Cluster. For more details, please review this
blog.
1. In “Failover Cluster Management” console, you can see the current active node under the label “Current Owner” from summary screen.
2. Run the following T-SQL in SQL Server Management studio.
SELECT SERVERPROPERTY('ComputerNamePhysicalNetBIOS')
There is also a similar thread for your reference.
https://social.technet.microsoft.com/Forums/en-US/be030e90-f41e-4d42-89e0-ae2a740fbb54/how-to-determine-a-node-is-active-or-passive?forum=sqldisasterrecovery
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Lydia Zhang

SAP PI 7.1 High Availability, Active-Active or Active-Passive

We are planning go to HA system for PI 7.11
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If it is our choice, then is at Configuration level (Application level)? or hardware level?
What are additional steps we need to take for Active-Active clustering? (Which we are looking for)
What is recommended by SAP?
Any Pros & Cons.
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Please use Active-Passive for your SAP PI 7.1 High Availability system.
For more details, please refer to the sdn link:
High Availability
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->What is an "active-active cluster"?
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Active/Passive RAC setup in 11.2 Standard Edition?

For the ACTIVE/PASSIVE setup in 10g RAC, the ACTIVE_INSTANCE_COUNT parameter works very well. However, in 11.2 version this parameter is obsolete. I'm testing this on our Test RAC server with Oracle Standard Edition 11.2.0.1. What are the other ways possible for an ACTIVE/PASSIVE cluster in Oracle 11.2? Has anybody gone through this before? I know that Oracle Enterprise Edition supports RAC One Node, but I've Standard Edition & moreover, I'm planning to have 2 databases on this cluster with 1 database being Active/Passive & the other being Passive/Active on the 2 nodes.
Appreciate any quick help!! Thanks.
Satish...

Hi user1701261,
One option to divert traffic to specific node could be setting 11g Services in active , passive mode.
srvctl add service -d DB01 -s DB01_SRV -r "db011" -a "db012, db013"
Where
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-s <service> Service name
-r "<preferred_list>" Comma separated list of preferred instances
-a "<available_list>" Comma separated list of available instances
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Regards
Krishan Jaglan

Drop Database in Active/Passive Cluster

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