11gR2 RAC stability and migration path

We are preparing to go from a 10g Data Guard environment (1 primary and 1 physical standby) to an 11g RAC cluster on Sun M5000s (Data Guard will not be part of the final configuration). We have heard that 11gR2 RAC is not yet mature enough so we are considering going to 11gR1. I'm curious what the general consensus is regarding the stability of 11gR2 RAC.
Also wondering what the best migration path would be. We are considering upgrading the 10g Data Guard databases to 11g and then creating a RAC physical standby database on the 11g cluster for the primary database on the old server. The migration to the new RAC cluster will consist of a failover to the new 11g RAC database and will involve minimal downtime. The 10g Data Guard databases and servers will then be decommissioned.
Thoughts?

You will be surprised if I said Oracle RAC11gR2 seems to be a new version NOT a new realease of Oracle RAC11gR1.
Many new features, surprises, bugs, yes bugs....
I suggest to directly address to Oracle itself , to your support at Oracle , as it seems to be a production DB. DOnt take the risk to decide from this forum , ask oracle experts at your support!
Good luck

Similar Messages

Oracle 11gR2 RAC VM and SCAN and DNS and /etc/hosts (two) setup questions

Hi,
I am looking forward to setting up two Oracle 11gR2 RAC instances
on my Oracle VM test machine.
I plan on using the Oracle 11gR2 RAC VM template.
I want the final Oracle 11gR2 RAC instances to have SCAN that uses DNS.
The DNS will be pre-installed in the JeOS.
My first simple question about the setup is the following.
In my DNS name file, for example,
/var/named/chroot/var/named/milkyway.univ.db
do I need to provide the racnode1 and racnode2 information,
for example,
# DNS name file (snippet)
myjeos IN A 192.168.1.150
racnode1 IN A 192.168.1.161
racnode1-vip IN A 192.168.1.163
racnode2 IN A 192.168.1.162
racnode2-vip IN A 192.168.1.164
rac-scan IN A 192.168.1.131
rac-scan IN A 192.168.1.132
rac-scan IN A 192.168.1.133
Or, can I just provide only the rac-scan information
# DNS name file alternate (snippet)
myjeos IN A 192.168.1.150
rac-scan IN A 192.168.1.131
rac-scan IN A 192.168.1.132
rac-scan IN A 192.168.1.133
What I am getting at is the following.
Within the install process, will racnode1, racnode1-vip, racnode2,
and racnode2-vip host names and their IP address be written
to the RAC instances /etc/hosts files? (So I should not bother
to put them in the DNS name file like '# DNS name file alternate (snippet)'?)
Or, should I put the racnode and racnode-vip host names and IP addresses
in the DNS name file like '# DNS name file (snippet)'?
The second question is the following.
Are the cluster name and the scan name allowed to be different?
Currently, I would plan them to be different,
for example, rac-cluster and rac-scan.
Or, are they required to be the same,
for example, rac-cluster and rac-cluster.
Thank you.
AIM

AIM wrote:
do I need to provide the racnode1 and racnode2 information,
Or, can I just provide only the rac-scan information You need to provide all of it in DNS, because other hosts in your network will need to be able to resolve all of the normal, VIP and SCAN addresses for your RAC nodes. We write this data out to /etc/hosts just to reduce the amount of round-trip DNS requests the cluster nodes make for themselves.
Are the cluster name and the scan name allowed to be different?They can be different.

11gR2 RAC, ASM and database

Hi all,
I've installed 11gR2 RAC and database on Linux OEL 5.4. Everything seems Ok, I'm able to connect from client using SCAN, and load balancing works well, but "crs_stat -t" shows up some OFFLINE services, like gsd and oc4j.
Is this normal ? If yes, why it's so ? If not, what should I do to solve the problem ?
Thanks in advance.
Antoine

Thanks for your answer.
Those services are disabled, and I've found this one on MOS FAQs :
With Oracle Clusterware 11g Release 2, the GSD resource will be disabled by default. You only need to enable this resource if you are running Oracle 9i RAC in the cluster.

Static listener registration 11gr2 RAC Primary and standalone Standby

Hi Guys,
I have to build up a single instance Physical Standby(Dataguard) for a primary RAC (11.2.0.1).The concern or rather confusion we have three SCAN LISTENERS across 2 node cluster,in order for me to have static registration for duplication of database for standby i need to have it put in the listener.ora .
Do i have to create the static listeners for default listener as well as the scan listeners?

My understanding is No.
The Oracle instance would automatically register the local listener to SCAN listeners, so I believe just the default needs this.
This document has Scan listener example and none of them use a _DGMGRL
http://www.oracle.com/technetwork/database/features/availability/maa-wp-11g-rac-standby-133152.pdf
Best Regards
mseberg
This document seems to support my statement :
11.2 Scan and Node TNS Listener Setup Examples [ID 1070607.1]
Edited by: mseberg on Aug 5, 2011 2:02 PM
Also of interest :
11gR2 Grid Infrastructure Single Client Access Name (SCAN) Explained [ID 887522.1]

DG Broker - Error is ORA-12521    11gR2 RAC

Hi ,
I have setup DG broker for 11gR2 RAC - Primary and DR (standby) - Grid single node ( non- Rac) . It is R12 apps.
I am getting connection errors from standby to production . Although the there is no problem in arciive log shipping and DG broker setup .
But I m getting constant Error ORA-16664 ( On Primary ) and on standby - Failed to connect to remote database prod1. Error is ORA-12521
Pls advise what is missing . I have recreated password file ,but no luck.
Primary : drcprod11.log
Site prod1dg returned ORA-16664.
Site prod1dg returned ORA-16664.
Data Guard Broker Status Summary:
Type Name Severity Status
Configuration prod1_CONFIG Warning ORA-16607
Primary Database prod1 Success ORA-00000
Physical Standby Database prod1dg Error ORA-16664
Standby - drcprod1.log
Failed to send message to site prod1. Error code is ORA-12521.
02/18/2013 00:01:34
Failed to connect to remote database prod1. Error is ORA-12521
Failed to send message to site pcap1. Error code is ORA-12521.
02/18/2013 00:04:04
Failed to connect to remote database prod1. Error is ORA-12521
Failed to send message to site pcap1. Error code is ORA-12521.
02/18/2013 00:06:19
Failed to connect to remote database prod1. Error is ORA-12521
Failed to send message to site pcap1. Error code is ORA-12521.
DGMGRL> show configuration
Configuration - prod1_CONFIG
Protection Mode: MaxPerformance
Databases:
prod1 - Primary database
prod1dg - Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
DGMGRL> show instance prod1 verbose on database prod1
Instance "prod1" was not found
DGMGRL> show instance prod11 verbose on database prod1
Error: ORA-16606: unable to find property "verbose"
DGMGRL> show instance verbose prod11 on database prod1
Instance 'prod11' of database 'prod1'
Host Name: u01prod1
PFILE:
Properties:
SidName = 'prod11'
StaticConnectIdentifier = 'prod11_local'
StandbyArchiveLocation = '/u01/arch/prod1'
AlternateLocation = ''
LogArchiveTrace = '0'
LogArchiveFormat = 'prod1_%t_%s_%r.arch'
TopWaitEvents = '(monitor)'
Instance Status:
SUCCESS
DGMGRL> show instance verbose prod12 on database prod1
Instance 'prod12' of database 'prod1'
Host Name: u01prod2
PFILE:
Properties:
SidName = 'prod12'
StaticConnectIdentifier = 'prod12_local'
StandbyArchiveLocation = '/u01/arch/prod1'
AlternateLocation = ''
LogArchiveTrace = '0'
LogArchiveFormat = 'prod1_%t_%s_%r.arch'
TopWaitEvents = '(monitor)'
Instance Status:
SUCCESS
DGMGRL> show database verbose prod1dg
Database - prod1dg
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 0 seconds
Apply Lag: 0 seconds
Real Time Query: OFF
Instance(s):
prod1
Properties:
DGConnectIdentifier = 'prod1dg'
ObserverConnectIdentifier = ''
LogXptMode = 'ASYNC'
DelayMins = '0'
Binding = 'optional'
MaxFailure = '0'
MaxConnections = '1'
ReopenSecs = '300'
NetTimeout = '30'
RedoCompression = 'DISABLE'
LogShipping = 'ON'
PreferredApplyInstance = ''
ApplyInstanceTimeout = '0'
ApplyParallel = 'AUTO'
StandbyFileManagement = 'AUTO'
ArchiveLagTarget = '0'
LogArchiveMaxProcesses = '8'
LogArchiveMinSucceedDest = '1'
DbFileNameConvert = ''
LogFileNameConvert = ''
FastStartFailoverTarget = ''
InconsistentProperties = '(monitor)'
InconsistentLogXptProps = '(monitor)'
SendQEntries = '(monitor)'
LogXptStatus = '(monitor)'
RecvQEntries = '(monitor)'
SidName = 'prod1'
StaticConnectIdentifier = '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=pres1.com)(PORT=1533))(CONNECT_DATA=(SERVICE_NAME=prod1dg_DGMGRL)(INSTANCE_NAME=prod1)(SERVER=DEDICATED)))'
StandbyArchiveLocation = '/u01prod/arch/prod1'
AlternateLocation = ''
LogArchiveTrace = '0'
LogArchiveFormat = 'prod1_%t_%s_%r.arch'
TopWaitEvents = '(monitor)'
Database Status:
DGM-17016: failed to retrieve status for database "prod1dg"
ORA-16664: unable to receive the result from a database

I have setup DG broker for 11gR2 RAC - Primary and DR (standby) - Grid single node ( non- Rac) . It is R12 apps.
I am getting connection errors from standby to production . Although the there is no problem in arciive log shipping and DG broker setup .
But I m getting constant Error ORA-16664 ( On Primary ) and on standby - Failed to connect to remote database prod1. Error is ORA-12521
Failed to connect to remote database prod1. Error is ORA-12521
Failed to send message to site pcap1. Error code is ORA-12521.It is not an issue with either password file, It having issues to establish connections with "prod1" ,
Have you configured static listener entry?
And What local_listener value you have set ?
From all instances
$lsnrctl status
12521, 00000, "TNS:listener does not currently know of instance requested in connect descriptor"
// *Cause: The listener received a request to establish a connection to a
// database or other service. The connect descriptor received by the listener
// specified in addition to the service name an instance name for an instance
// (usually a database instance) that either has not yet dynamically registered
// with the listener or has not been statically configured for the listener.
// This may be a temporary condition such as after the listener has started,
// but before the database instance has registered with the listener.
// *Action:
// - Wait a moment and try to connect a second time.
// - Check which instances are currently known by the listener by executing:
//    lsnrctl services <listener name>
// - Check that the INSTANCE_NAME parameter in the connect descriptor specifies
//    an instance name known by the listener.
// - Check for an event in the listener.log file.

Can we have separate 10gR2 RAC CRS and 11gR2 RAC CRS homes on same Unix s

We'd like to test the upgrade of our 10gR2 RAC databases to 11gR2 RAC.
We have six databases on the same server and want to install a separate 11g RAC stack (11g CRS, 11g ASM, 11g RDBMS) and upgrade each 10g database from 10g RAC stack on same server (10g CRS, 10g ASM, 10g RDBMS) . Is it ok to have 10g CRS home and 11g CRS home same server? If not, how best to upgrade without buying more hardware?
Thanks in advance,
Lou

In more detail, the main issue/question is whether there can be 2 Oracle CRS homes on the same server i.e. separate 10gR2 and 11gR2 CRS homes residing on the same server for the purposes of (gradually) upgrading all Oracle RDBMS homes from 10g RAC to 11g RAC.
Can there be? What would be the implications for the OCR and voting disk? In our case 10g CRS has OCR and Voting Disk on raw devices. In 11gR2, these would need to be migrated/upgraded/stored in ASM, right?
We have 6 10g rdbms homes in addition to the one 10g CRS home and one 10g ASM home. To upgrade can we
- Install 11gR2 CRS in a separate home (this would now include ASM as well)
- Install 11gR2 RDBMS home
- Upgrade one of the 6 10g databases while leaving the others untouched as 10g databases in the separate 10g CRS, 10g ASM stack?
Any ideas, pointers greatly appreciated.
Thanks,
Lou

Migration 10gr2 rac to 11gr2 rac

Hi all,
Can I use Transportable Tablespaces to migrate 10gr2 rac with ASM (solaris) to 11gr2 rac with ASM (AIX), the server is not the same.
regards
Edited by: mexman on 06-may-2010 15:36

mexman wrote:
OK, and can I use Transporting Tablespaces Between Databases 10gr2 to 11gr2 ?Yes.. as mentioned above by Dan , you can use..

Install 11gR2 RAC Database Problem: Invalid source path /.../Datafiles

Folks,
Hello. I am installing Oracle 11gR2 RAC using 2 VMs (rac1 and rac2) whose OS are Oracle Linux 5.6 in VMPlayer according to the website http://appsdbaworkshop.blogspot.com/2011/10/11gr2-rac-on-linux-56-using-vmware.html
I have just finished installing Grid infrastructure and start to install RAC database 11gR2.
I have downloaded 2 files from https://edelivery.oracle.com as below:
V17530-01_1of2
V17530-01_2of2
When I start to install the RAC database using the above 2 files but get the error below:
[ora11g@rac1 V17530-01_1of2]$ ls
database
[ora11g@rac1 V17530-01_1of2]$ cd database
[ora11g@rac1 database]$ ls
doc install response rpm runInstaller sshsetup stage welcome.html
[ora11g@rac1 database]$ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 120 MB. Actual 5028 MB Passed
Checking swap space: must be greater than 150 MB. Actual 2224 MB Passed
Checking monitor: must be configured to display at least 256 colors. Actual 16777216 Passed
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2012-03-06_11-08-23AM. Please wait ...
Invalid source path '../stage/Components/oracle.jdk/1.5.0.17.0/1/DataFiles' specified for unzip. Unzip command failed. Please check oraparam.ini and specify a valid source path.
: No such file or directory
[ora11g@rac1 database]$
As we see the output above, the error is Invalid source path /../stage/Components/oracle.jdk/1.5.0.17.0/1/DataFiles.
My questions are:
First, are the files V17530-01_1of2 and V17530-01_2of2 the correct files for 11gR2 RAC database ?
Second, how to solve the issue "Invalid source path /../stage/Components/oracle.jdk/1.5.0.17.0/1/DataFiles" ?
Thanks.

Folks,
Hello. thanks a lot for replying.
I go up one level ( / ) and run the command again as below:
[root@rac1 /]# du --max-depth=1 -h
Its output:
8.0K ./srv
83M ./sbin
9.0G ./tmp
4.9G ./usr
157M ./var
20M ./boot
8.4M ./bin
3.3G ./u01
252M ./lib
8.0K ./selinux
12K ./mnt
16K ./lost+found
164M ./dev
0 ./misc
29M ./lib64
8.0K ./u02
100K ./tftpboot
12K ./media
0 ./proc
248K ./root
0 ./sys
117M ./etc
3.3G ./home
3.5M ./opt
25G .
[root@rac1 /]#
As we see the output above, it seems that 25GB disk space is used and /tmp occupies 9GB.
I have remove the files under /tmp but after reboot OS, the same files come up again under /tmp.
Some folks use 12GB for each of their VMs and is enough to install Grid and RAC Database.
My questions are:
Why my VM with 30GB disk space does not have enough disk space to install RAC database ?
Can any folk help to solve the issue ?
Thanks.

Adding ocrmirror and voting disk on another diskgroup 11gr2 RAC

Hi Gurus,
Can i add ocrmirror on another diskgroup(external redundancy) and voting disk(normal) on anotherdiskgroup (replace) in 11gr2 RAC while databases are up and running?

Hi
in Oracle 11gr2 voting disk are backed up automatically in the ocr part of any configuration change
Voting disk is automatically restored to any added voting disk
You can migrate voting fıska from non asm to asm without
Taking download cluster
To add a voting disk to asm
Crsctl replace votedisk +diskgroup
Ocrconfig -add +datagroup2
Oracle manage up to five redundant ocr locations
Hope this helps
Zekeriya Besiroglu
Http://zekeriyabesiroglu.blogspot.com

How to migrate data from oracle 9i database to new machine 11gr2 RAC ASM

Hi Expert
I need your expertise to advise me what is the best method to move data from oracle 9i database to new machine running oracle 11r2 RAC database with ASM.
Currently my production server running on HPUX ORACLE 9I database with normal file system. My new server is running SUN SOLARIS SPACR 64 bit ORACLE 11gr2 RAC with ASM. What is best method to move data over so it will be consistent. Any guide can refer.
Regard
William

Hi William,
See the note in metalink Migration of Oracle Database Instances Across OS Platforms [ID 733205.1] to saw the Endian Format of your OS. If is the same you can use the RMAN to convert the database to another OS, if not the only option is using export/import (Transportable Tablespaces).
To upgrade from 9i to 11g, see the note 837570.1 - Complete Checklist for Manual Upgrades to 11gR2.
To migrate your FS to ASM the only way is using RMAN, so see the note - How to move a datafile from a file system to ASM [ID 390274.1].
Hope this help you.
Best Regards,
Ruben Morais

Oracle 11gR2 RAC and DR setup

Environment:
Oracle 11gR2 RAC (2 node) with ASM
HP-UX B.11.31 U ia64
We have configured two ASM disk group for Data & FRA, and we configured RMAN backup into FRA location. Now our Database, Log file, Archive logs and RMAN backup files all are in ASM on primary site.
Our network team is using Recover Point to mirror all the disks into DR site; we have no setup from Oracle side. What is the possible configuration that we need to have in DR site from Oracle side in order to bring-up the database in-case of primary site failure (disaster).
I am new to Oracle RAC can some one give me a suggestion.
- Mano

What is the possible configuration that we need to have in DR site from Oracle side in order to bring-up the database in-case of primary site failure ORACLE DATAGUARD is what you need; not RAC

11gR2 Grid Infrastructure and 11gR2 RAC install as separate users (RH 5)

We are about to set up a few new RH 5 clusters and are trying to make a decision if we should install 11gR2 Grid Infrastructure and 11gR2 RAC as the same user (oracle) or as separate users (grid and oracle) as per Oracle documentation.
I would like to know what other people are doing and their experiences with this.
Here are some concerns that we have:
1) Does Oracle support has an 11gR2 cluster environment where grid infrastructure and oracle database are installed as separate users ? I have been to a few Oracle 11gR2 demos and they always have a simple install where everything is installed as a single user.
2) Potential permission issues that we might hit iif we use separate users, for example
- grid control agent - which user do we install it as and will it be able to access both grid and oracle files ?
- database listener will run as grid user. Is this going to cause any permission issues ?
Thanks in advance for your answers

It is all dependent on your business whether your business needs to separate between privileged user for storage administrator (ASM) or database level. It is recommended to have user separation but not mandatory.
see http://download.oracle.com/docs/cd/E11882_01/install.112/e17212/toc.htm for the details
permission issues might happen if the configuration is not correct. for example you might see ORA-12537 when configuring the system
Hope this helps

11gR2 RAC and 2 Databases - how to deploy db console

Hi guys,
we have 11gR2 RAC and 2 Databases -> how to deploy db console?
2 rac nodes, 2 different databases.
in one dbconsole is configured as it was created by installer, at second no as it was created manually.
How should dbconsole configured/installed? as cluster targets, asm are already seen/monitored by previous ones.
will the new dbconsole impact/interfere the current?

Hi,
You can configure OEM manually per instance.
emca -deconfig dbcontrol db -repos drop
emca -config dbcontrol db -repos create

Need 11gr2 RAC install Guide on Solaris 10 x86 using containers and NFS

I'm looking for an 11gr2 RAC install Guide on Solaris 10 x86 using 2-3 containers. I need to have the NFS server reside in the global zone or on a 3rd container visable to the two rac containers.
Please share me installation guide!
Thank you!
PS - I currently have run into an install issue -
Can't change ownership on /oracle/products/11.2.0/ocr/: not owner at /oracle/app/11.2.0/grid/crs/install/crsconfig_lib.pm line 5014.
I suspect the NFS share params from the NFS server in the global zone are not 100% correct to the two rac zones/containers.

Have you visited Oracle Support Services website (formerly metalink) to determine if your desired configuration is supported?
Last time I looked it was not.
That said Oracle database installation guides are fully documented online.
http://www.oracle.com/technetwork/database/enterprise-edition/documentation/database-093888.html

Oracle Database 11gr2 rac on solaris 10 using ACFS and asm as storage

Can i get any step by step document to install 11gr2 rac on solaris 10.
My database is two node rac. I am using ASM as storage. So i need a document which should very easy to understand.
thanks in advance

Hi,
Can i get any step by step document to install 11gr2 rac on solaris 10.
My database is two node rac. I am using ASM as storage. So i need a document which should very easy to understand.Refer below link:
http://www.oraclemasters.in/?p=961
Configure storage as per your requirement.
thanks,
X A H E E R

11gR2 RAC stability and migration path

Similar Messages

Maybe you are looking for