Hi, You can use clone.sh to clone GI and RDBMS homes to build a new cluster. After that either restore DB or switchover if toy take the path of building a standby database. Best Regards, Guenadi Jilevski On Thu, Dec 12, 2013 at 10:20 PM, Sanjay Mishra <smishra_97@xxxxxxxxx>wrote: > Thanks DHooge and Maaz > > Yes I agree that fresh Install is better option but the issue is that > there are several patches been done on various homes and so it need to be > documented every time and moreover company want to check if there are 18 > such RAC environment need to be recreated on DR for any outage, then how > long it will take and the process. > > Yes it is also true that we need to run few root based command and want to > see if anyone has done such exercise. > > Thanks > Sanjay > > > On Thursday, December 12, 2013 3:05 PM, D'Hooge Freek < > Freek.DHooge@xxxxxxxxx> wrote: > Sanjay, > > With Oracle RAC, the name of the host is deeply embedded in the cluster > registry. > It is even so, that you can not change the hostname of a cluster node, you > need to drop de node from the cluster, rename it and add it back again. > > So, I think your only option is to do a normal install of the GI on your > DR servers. > Of course, this is something you can prepare using silent install scripts > if you only want to do the installation at the moment of a DR. > > > regards, > > -- > Freek D'Hooge > Uptime > Oracle Database Administrator > email: freek.dhooge@xxxxxxxxx > tel +32(03) 451 23 82 > http://www.uptime.be > disclaimer: www.uptime.be/disclaimer.html > > > > > On do, 2013-12-12 at 11:06 -0800, Sanjay Mishra wrote: > > Nassyam > > > > Create Dataguard from 4node to 2 node is not an issue. The main > requirement is how to clone Oracle Grid infrastructure using the backup > taken for software on Primary site. It is DR exercise where Database > restore is not a challenge as long as Grid infrastructure is ready. So key > challenges are to identify the various script to be executed after the > Software from one of the node is restored on the DR exercise server and how > to create the various configuration files including ASM based ocr/voting > disk and other ASM configuration. > > > > Once this is done, Database cloning using Tape restore will not be an > issue. This is one time exercise to check and document the procedure to > rebuild the environment from offshore tape backup > > > > TIA > > Sanjay > > > > On Thursday, December 12, 2013 1:52 PM, Nassyam Basha < > nassyambasha@xxxxxxxxx> wrote: > > Hi Sanjay, > > > > Are you looking for 4-node to 2-node DR setup? > > > > If so you can refer below links. I usually refer MAA documents. > > > > > http://www.oracle.com/au/products/database/maa-wp-10g-racprimaryracphysicalsta-131940.pdf > > > > http://www.oracledba.org/11gR2/dr/11gR2_dataguard_RAC_to_RAC.html > > > > documentsay point to 2-node standby or 3-node, you may need to perform > changes only few parameters like FAL_SERVER, LOG_ARCHIVE_CONFIG so on. You > will get idea if you refer those links. > > > > Documents you may not get exactly as per your environment, you can refer > them and of course you can modify steps as required. > > > > Hope this helps. > > > > But the below question is confusing still, can you describe more ? > > > what are the steps for Grid Infrasturcture cloning? > > > > Thank you, > > Nassyam Basha > Sent from iPhone > > > On Dec 12, 2013, at 11:48 PM, Sanjay Mishra <smishra_97@xxxxxxxxx> wrote: > > > > Hi > > > > Can anyone share the doc/reference for doing DR exercise for 4-node > Primary RAC (11g R2) on 2-node DR RAC ? We have 4-Node Oracle 11g R2 RAC > with 8 Databases using ASM based OCR/Voting and Databases on Linux > environment. Now Company wants to perform a DR exercise where backup from > Primary Tape will be used to create the DR environment using only 2nodes. > So I appreciate if someone share experience in RAC cloning/Setup as what > are the steps for Grid Infrasturcture cloning. > > > > TIA > > Sanjay > > > > > > >