Clusterware :: 2 Oracle SE Instances In 1 Cluster?
Jun 21, 2013
I would like to build a 2-node cluster without RAC. I desire to operate 2 Oracle database instances for use by 2 separate applications. I plan to run Linux. I would like node1 to act as the primary server for the databases in application1 and node2 to act as the failover server for the databases in application1. Conversely, I want node2 to act as the primary server for databases in application2 and node1 to act as the failover server for databases in application2. Can Oracle SE and Oracle Clusterware be configured in this this way?
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Aug 26, 2012
I have a RAC working with SAN raw devices presented to ASM and working fine. My situation has changed since the installation of the RAC. Now I need a shared storage (with a filesystem) to upload some files (so DB can read these as external tables) for this I have used OCFS2.
As you can see I have Oracle RAC on raw ASM + shared storage on OCFS2 and for the time been all seems to be well and working perfectly. Can these coexist with out effecting the other?
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Sep 8, 2012
I created Virtual Private Network for VIP and subnet is 255.255.255.255. I need VPN subnet as 255.255.255.0. How to i create
INS-40911: Ensure that nodes in the list are up and reachable, and ensure that the node addresses are all in the same subnet.
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Aug 22, 2012
After installing a 4 node cluster 11.2.0.3 with 16 CPU's (4 on each node) on IBM 795 with aix 6.1 each server is using 0.5 CPU with no user load on the system. Running SIHA on one server typically uses 0.05 CPU with no user load on the system.
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Oct 24, 2012
My application consists of Oracle RAC and Oracle Enterprise Manage (OEM) on same two nodes. I am exploring the idea of utilizing Oracle Clusterware (which is already installed with Oracle RAC) to support OEM in active passive mode.
Here is the scenario.
Node A running Solaris 10.9 on SPARC and Node B running Solaris 10.9 on SPARC.
Node A and Node B are both Oracle RAC Nodes ( Active Active ) which use Shared Storage for Oracle using ASM.
Node A and Node B will run Oracle Enterprise Manager (OEM) Application in active passive scenario which will be using Oracle RAC for its database. So, both Oracle RAC and OEM are sharing same server A and B for its clusters.
Now, OEM application need a third party clusterware to fail it over. It needs clusterware to provide floating VIP and shared folder of the size of 20GB which will keep software libraries. If node A goes down, node B have access to same libraries and will come up as active.
Do you know if oracle clusterware which comes with Oracle RAC can support OEM for failing over i.e. it can provide floating VIP and shared file system?
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Oct 17, 2013
We have 2 servers running Oracle 11gR2 Window server 2008 64 bit RAC. Today I add new shared disk visible from both servers. All our data placed on ASM partitions, but we need Windows volume for exchanging some data between servers & users;Actions:then i have prepare disk on shared storage from 1st node, run diskmfmt.msc & rescan disks when windows recognizes new hdd, initialize it.create an Extended partition & Logical drive & Assign drive letter. from another nodes, make sure no drive letter is assigned.
Sometimes Windows automatically assign drive letter. If drive letter is assigned, right click & Change drive letter & Remove. from 1st node, format this logical drive using ocfsFormat.exe after execute below scripts i have face some issues
E:app11.2.0gridcfs>ocfsformat /m P: /c 1024 /v DATA /f /d /aReg Get Cluster Name(): Reg Query ValueEx for CFS_CLUSTER_NAME failed with error 203
This indicates that the Cluster Name has not been configured on this node for OCFSThe volume formatted in this condition will be seen by all nodes running OCFS.
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Aug 15, 2012
I'm a long time Oracle DBA but have only recently started with RAC and have never done any patching or upgrades in a RAC environment.
My environment consists of a 2 node RAC cluster, and 2 physical standbys at separate remote locations.
The database, GI, ASM, and clusterware are all at version 11.2.0.1.
I want to upgrade all components to the latest patchset which is 11.2.0.3. Eventually I also want to apply the latest PSU.
Can I do this without down time? It is a mission critical database where downtime could conceivably endanger lives. If it can't be done with zero downtime, then downtime must be kept to an absolute minimum (minutes, not hours).
I suspect the clusterware needs to be patched first and I do not know whether I can do it on one node at a time.
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Feb 3, 2013
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. This mountpoint includes the binaries and all datafiles.
I havent installed these systems. At one stage on node died and got reinstalled by a system administrator. 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
Jan 3 14:36:14 a logger: ASM instance +ASM. Wait 2.
After issuing $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. Alert log is showing something like recursive sql error. Looks like writing to the datafiles is not working. 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 to 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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May 23, 2013
We have 3 node RAC. In one of the node clusterware is down and also CSSD process is down. I got to know that we have to clear socket files in that node.what needs to be done instead ofclearing socket files.
database
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
PL/SQL Release 11.2.0.2.0 - Production
CORE 11.2.0.2.0 Production
TNS for Linux: Version 11.2.0.2.0 - Production
NLSRTL Version 11.2.0.2.0 - Production
[code]...
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Dec 7, 2012
im having problems with CRS in a Rac installation. Because of this i cant start the database.I installed Oracle Rac 11.2.0.1 with ASM in a Red Hat 5.8 linux server. Everything was ok until a server reboot. I have 2 nodes, nodo1 and nodo2. Both got rebooted and after that im not able to start the cluster.
All the other resources seem to be just fine .
At nodo1:
[root@nodo1 oracle]# crsctl start cluster -all
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'nodo1'
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'nodo2'
CRS-2676: Start of 'ora.cssdmonitor' on 'nodo1' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'nodo1'
CRS-2672: Attempting to start 'ora.diskmon' on 'nodo1'
CRS-2676: Start of 'ora.cssdmonitor' on 'nodo2' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'nodo2'
[code]....
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Jul 25, 2012
I have been asked to look at making an existing Oracle server resilant. The technology I need to use are:
- Windows 2008 R2 Enterprise SP2
- Microsoft Cluster Services
- Oracle Enterprise 11g release 2
- Oracle Fail-Safe (latest version available)
Unfortunately ApEX 4.1 and Mod_plsql are install on the existing stand-alone server. I'm afraid i know very little about Oracle and ApEX but i need to make a design decision and check fiesablilty.
I believe the HTTP service and Mod_plsql can be moved to a independant server which should work but ApEX itself must remian on the database server (i'm told).Will ApEX work in a MSCS setup? I can only find references to RAC support, RAC is out of scope.
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Jul 4, 2012
I have installed Oracle Grid on a standalone server and setup Oracle db 11.2.0.2 on Oracle Linux 6.2 64 bit server.When I reoot the server and run crs_stat -t,several daemons havent started thus the ASM and db instances are also down as below
Name Type Target State Host
------------------------------------------------------------
ora.DATA.dg ora....up.type OFFLINE OFFLINE
ora.FRADG.dg ora....up.type OFFLINE OFFLINE
ora....ER.lsnr ora....er.type ONLINE ONLINE amldb01dc
ora.amldb.db ora....se.type OFFLINE OFFLINE
ora.asm ora.asm.type OFFLINE OFFLINE
ora.cssd ora.cssd.type ONLINE OFFLINE
ora.diskmon ora....on.type ONLINE OFFLINE
ora.evmd ora.evm.type ONLINE ONLINE amldb01dc
ora.ons ora.ons.type OFFLINE OFFLINE
I am forced to manually start the daemons via command crsctl start resource -all then I manually start the ASM and db instances. Yet when I run the commands
crsctl config has
CRS-4622: Oracle High Availability Services autostart is enabled.
crsctl check has
CRS-4638: Oracle High Availability Services is online.
Thus I would assume the daemons would start automatically during boot.
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Jun 15, 2012
current environment
Oracle VM 2 Node RAC cluster
Oracle 11G 11.2.0.3.0
Oracle 11g rel 2 GI
on current 2 node cluster we have GI and RAC db configured Nodes: vmorarac1,vmorarac2
we shutdown vmorarac1 to clone it to vmorarac5
on new node I have changed the hostname to vmorarac5 In /etc/sysconfig/network-scripts/ifcfg-eth0 change ip to new ip and same for /etc/sysconfig/network-scripts/ifcfg-eth1 152.144.199.210,152.144.199.211
mad echanges to /etc/hosts on vmorarac1/2 for 2 new IP address assigned to vmorarac5
152.144.199.171 vmorarac1.pbi.global.pvt vmorarac1
192.168.2.30 vmorarac1-priv.pbi.global.pvt vmorarac1-priv
152.144.199.184 vmorarac1-vip.pbi.global.pvt vmorarac1-vip
[Code]....
Query is is that all ok to reboot the new node to reflect changes as below and change the hostname to vmorarac2
152.144.199.210 vmorarac2.pbi.global.pvt vmorarac2
192.168.2.32 vmorarac2-priv.pbi.global.pvt vmorarac2-priv
152.144.199.211 vmorarac2-vip.pbi.global.pvt vmorarac2-vip
hostname change in /etc/sysconfig/network
On new node vmorarac5, there is alreay software for RAC DB and GUI cloned from vmorarac1
addnode.sh is used to add existing node, but as part of pre-requisite configuratoin is there any config step missing
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Dec 6, 2012
I am using newstart cluster software. currently I have two blade servers in my system and I have configured cluster as well. right now I have one issue. I am using the ip address of 10.34.14.0/28 network for cluster but this can not be accessed from all network so I want to use different range of IP of 10.68.1.0/28 network in the same blade servers. Can I configure two different floating (cluster) IP? the first IP range is for signalling and second IP range 10.68.1.0/28 network is for OMM. I need to use both IP in two blade servers.
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Feb 7, 2013
according to article "Installing Netbackup for Oracle agent on Unix". URL.... Shut Down all oracle instances on this client. The reason: sometimes Oracle will take a shared library (such as ours) and place it into its shared memory spaceMy question is how I can control existence shared library in memory space to define the real need of Shuting down of all oracle instances ? I'm usung 11.2.0.3
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Apr 23, 2013
Are Oracle cluster and Oracle clusterware are same and has same in meaning in RAC ?
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Oct 27, 2010
Steps for installing Oracle Cluster 10?
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Sep 29, 2010
Yesterday I was installing 11.2.0.2 patch to our Oracle 11gR2(11.2.0.1.0) Two node RAC cluster on OEL 5.4 x86 Linux.Before installing I have read [URL] support note which says "Note: All Oracle Grid Infrastructure patch set upgrades must be out-of-place upgrades, in which you install the patch set into a new Grid home. In-place patch set upgrades are not supported. "
During Installation I found following Installation Option :
1) Install and configure Oracle grid Infrastructure for a cluster
2) Configure Oracle Grid Infrastructure for a Standalone Server
3) Upgrade Oracle Grid Infrastructure or Oracle Automatic Storage Management
4) Install Oracle Grid Infrastructure Software Only
Which option should I have to choose here ?
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Sep 24, 2013
I have a 11.2 Grid Infrastructure with the July PSU applied. I ran the CVU and reveive the following error. I checked the file in error and I find nothing wrong. Why does CVU fail the pre-check?
RUN CVU:
./runcluvfy.sh stage -pre crsinst -upgrade -n cusms1,cusms2 -src_crshome /u01/grid11203 -dest_crshome /u02/grid12101 -dest_version 12.1.0.1.0 -verbose
RECEIVED ERROR:
Starting check for zeroconf check ...
ERROR:
PRVE-10077 : NOZEROCONF parameter was not specified or was not set to yes in file "/etc/sysconfig/network" on node "cusms2.us.com"
PRVE-10077 : NOZEROCONF parameter was not specified or was not set to yes in file "/etc/sysconfig/network" on node "cusms1.us.com"
Check for zeroconf check failed
Pre-check for cluster services setup was unsuccessful on all the nodes.
VERIFIED FILE IS CORRECT:
[root@cusms1 ~]# cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=cusms1.ca.us.com
GATEWAY=121.1.160.1
NOZEROCONF=yes
[root@cusms2 ~]# cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=cusms2.ca.us.
GATEWAY=121.1.160.1
NOZEROCONF=yes
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Apr 8, 2013
Is Oracle certified Oracle 11.2.0.2.0 to run under a Microsoft 2008 Cluster ?
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Sep 7, 2013
I got following error on Oracle 10.2.0.4.0 RAC on solaris 10
Oracle clsomon failed with fatal status 12.
Oracle CRS failure. Rebooting for cluster integrity.
I think this problem in 11g but I am using 10g.
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Jun 29, 2012
I am trying to create a rac setup on oracle 10.2. through NFS cluster configuration .i succeeded with the installtion of cluster configuarion and installation of oracle software ,but when i am trying to create database ,
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Sep 7, 2011
I am installaing oracle RAC 11.2.0.1. After I installed the grid infrastructure, when I ran root.sh, I got below errors;
ASM failed to start. Check /d1/app/grid/cfgtoollogs/asmca/asmca-1109068AM4612.log for details.
Configuration of ASM failed, see logs for details
Did not succssfully configure and start ASM
CRS-2500: Cannot stop resource 'ora.crsd' as it is not running
[Code]....
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Jul 17, 2002
What is the different between the new RAC feature - real application cluster and OPS... for me it sound the same..
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May 16, 2011
How to migrate Oracle Standalone Database to Oracle Real Application Cluster?
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Sep 18, 2008
The installation of CRS is successfull & at end it ask to execute 2 scripts on both nodes i.e. orainstRoot.sh and root.sh
When the scripts are executed,the execution of orainstRoot.sh is successfull , but root.sh give following error:
[root@rac2host crs]# ./root.sh
WARNING: directory '/home/oracle/product' is not owned by root
WARNING: directory 'home/oracle' is not owned by root
Checking to see if Oracle CRS stack is already configured
/etc/oracle does not exist. Creating it now.
[code]....
Is this concerned with permissions on OCR, Voting Disk.
the ./cluvy shows the cluster is valid.
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Jan 22, 2013
I am doing the following steps for stopping the Oracle RAC Services on a 2 node.(OS is Windows 2008 Release 2).
srvctl stop database -d <database_name>
Node 1:
crsctl stop has
Node 2:
crsctl stop has
But i am getting error like Oracle HAS Service not stopped successfully. Finally what i did was stopped the OHAS Service from Windows Services.
which is the right procedure to have a clean stopping of RAC Services in 11g R2.
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Jan 31, 2013
While installing 11g oracle grid cluster software. I am getting below error.
[INS-40724] No locally defined network interface matches the SCAN VIP subnet.
i have given scan name as scan-cluster.invent
host-name virtual ip name
rac3 rac3-vip
rac5 rac5-vip
I am able to ping rac3 and rac5 from both nodes.
MY /etc/host file look like this.
192.168.2.133 rac3.invent.com rac3
192.168.2.132 rac3-priv.invent.com rac3-priv
192.168.122.1 rac3-vip.invent.com rac3-vip
192.168.2.136 rac5.invent.com rac5
[code]...
ssh connectivity everything works fine.
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Sep 24, 2012
I need some professional article about how to configure DNS for using Oracle GNS with explanation.
I want to understand the role of DNS server for GNS.
I tried to search but what I found is not enough or they are not written with accuracy.
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Feb 28, 2013
Here we are going to configure a new set up on new hardware :
clients requirements :
oracle 11g with ASM :
Number of instance = Single database
Platform = IBM AIX 6.1
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