Step by Step build RAC : Part 1 : Install VMWare and Linux

We have just upgraded to 2 nodes RAC but the concurrent manager status keeps changing to inactive manager intermittently.

The System profile
Concurrent:OPS Request Partitioning is OFF and Concurrent:PCP Instance Check is ON

Any advise on what else to check or do.

Thanks

Check CM log files on why it managers are deactivating

I am trying to install 10gR2c on my laptop using VMware.
But I always stuk in last while installing clusterware.
When I run root.sh . It showd me ” Failure to upgrade Oracle Cluster registry ……”

I tried to check on internet but didn’t get any help regarding that.
please help me

Further please let me know is 1Gm ram is enough for installation or not.

=====

We replied

Check logs at $CRS_HOME/crs/log/haystack/client/

I did it with 2 GB but you can try on 1 GB Laptop as well. Try reducing SGA after install

Hi. thanks for this very helpfule work. May we use Centos 5.0 instead of 3.9?

best regards,

Joe skinner

I am trying to install 10gR2c on my laptop using VMware.But I always stuk in last while installing clusterware.When I run root.sh . It showd me ” Failure to upgrade Oracle Cluster registry ……”and also unable to load shared libraries libclntsh.10.1.so

Dear Manjunath,
Couple of other DBA’s were able to configure RAC successfully so check carefully each step and ensure you are doing word by word or changing your configuration as per doc if you have configured any different . We are planning to launch RAC training soon and review these steps one more time .

Hi Atul,
I’ve tried several times as per your document,but its failing at root.sh on second node with “Failure at final check of Oracle CRS stack” while installaing clusterware.
Any help will be highly appreciated.

Regards,

Hi Atul,
Can I Setup RAC in my single PC ?.
My PC running with Enterprise Linux Operating System 5.

Thanks for sharing your knowledge.

Thanks
Regards
Sekaran

Yes, use VMware to build two virtual machine on linux.

1. Install VMware server on Linux
2. Build two virtual machines using vmware and install guest o.s.
3. define shared drive & two network card on each virtual machine
4. Install & configure RAC

[…] Step by Step RAC Build […]

Hello Atul,

In the above blog you mentioned that we can download Linux from http://rhn.redhat.com site. Is it a freeware. Can we download freely from that site.

Thanks
Ram

Ram,
Only desktop version is free

For es (enterprise server) or AS (advanced server) you need to buy license.

Try Oracle Enterprise Linux (OEL) from Oarcle site

Hi Atul,

Can u please explain the difference between OCFS and ASM , and which to use when ?

Regards,
Ashwin

Ashwin,

Check post from Rupesh at

http://onlineappsdba.com/index.php/2008/10/21/rac-storage/

I am trying to install 5.5 on my laptop using the vmware but i always stuk. pls send me step by step lanuching of the vmware.

Hi Atul,

I am an Oracle Apps DBA and wanted to learn RAC.

Can you please recommend any book on RAC to keep handy which includes installation screenshots (including pre-reqs, if any), configuration, maintenance and troubleshooting.

Thanks in advance

Regards
Kishore

Hi Brother,

I am really pleased to see your dedicated and professional work and done lots of things in our enviroment just following your articles which are to the point and very easy to follow.

I have one question reagrding RAC; I am little bit confused about the network settings. my quesiton is can I have rac set up on my laptop at home which is not connected to any network?
if yes then what will the network type for host and RAC1 and RAC2 virtual mahcines.

I know you will make it clear for me and all so thanks in advance.

Muhammad Aqeel

@ Muhammad Aqeel,
If you machine is not connected to any network then define virtual network card as NAT (bridged if you are in network and router can assign IP to VM’s) .

Thanks Mr. Atul,

I will try to do it as per your advice and will update.

regards,

Hi atul,

I installed the vmware server and it has three virtual networks
vmnet0 which is bridged
vmnet1 which is private virtual network
vmnet8 is NAT

so i am going to use vmnet8 for host
what networking type should i use for the two virtual RAC nodes.

thanks a lot for your kind help

regards,

Hi
We need to do a RAC 2 node upgrade from 11.1.0.6 to 11.1.0.7
Do you have steps on what needs to be taken care of before we start the upgrade?
such as backup scripts of ocr, voting disk and Oracle homes. Kindly let me know since this is urgent

Thanks

http://muneer2908.wordpress.com/2011/01/21/creating-a-2-node-oracle-10g-rac-database/

My brother suggested I might like this website. He was totally right. This post actually made my day. You cann’t imagine simply how much time I had spent for this information! Thanks!

Hi,

i am trying to disable flashback of TEMP tablespace. for that i am following below steps
1) shutdown database
2) startup mount
3) SQL> alter tablespace TEMP flashback off;
alter tablespace TEMP flashback off
*
ERROR at line 1:
ORA-00959: tablespace ‘TEMP’ does not exist

please give me solution for this error..

Hi atul,

I am preparing my machine for oracle rac11gr2, in node preparation i am getting this asmlib error..
my machine name
uname -a
Linux rac1 2.6.18-92.el5 #1 SMP Tue Jan 15 13:14:16 EDT 2013 x86_64 x86_64 x86_6

But configuring asmlib for creating asm disks is failing
/etc/init.d/oracle configure

Initializing the Oracle ASMLib driver: [ FAILED ]