Home » Server Options » RAC & Failsafe » Oracle 11gR2 grid and database deinstallation. (oracle_11gR2, Redhat_x64)
Oracle 11gR2 grid and database deinstallation. [message #676229] Tue, 21 May 2019 22:02 Go to next message
kalenko
Messages: 40
Registered: January 2018
Member
Hi,

I face an error during Oracle 11gR2 grid and database software installation in Red hat 64 bit 5.4 and I have to reinstall them.
My question is: What directories and what files of the previous installation must be removed so that I can reinstall grid an database software? I do not want to reinstall the OS.

Thanks.

[Updated on: Tue, 21 May 2019 22:03]

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Re: Oracle 11gR2 grid and database deinstallation. [message #676230 is a reply to message #676229] Tue, 21 May 2019 22:18 Go to previous messageGo to next message
BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal
Senior Member
kalenko wrote on Tue, 21 May 2019 20:02
Hi,

I face an error during Oracle 11gR2 grid and database software installation in Red hat 64 bit 5.4 and I have to reinstall them.
My question is: What directories and what files of the previous installation must be removed so that I can reinstall grid an database software? I do not want to reinstall the OS.

Thanks.

Which OS users own the Oracle & Grid software that was installed?

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Re: Oracle 11gR2 grid and database deinstallation. [message #676231 is a reply to message #676230] Tue, 21 May 2019 22:28 Go to previous messageGo to next message
kalenko
Messages: 40
Registered: January 2018
Member
BlackSwan wrote on Tue, 21 May 2019 22:18
kalenko wrote on Tue, 21 May 2019 20:02
Hi,

I face an error during Oracle 11gR2 grid and database software installation in Red hat 64 bit 5.4 and I have to reinstall them.
My question is: What directories and what files of the previous installation must be removed so that I can reinstall grid an database software? I do not want to reinstall the OS.

Thanks.

Which OS users own the Oracle & Grid software that was installed?
Both Grid and Database software were installed by oracle OS user. Of course, the oracle OS user also owns the setup files.

[Updated on: Tue, 21 May 2019 22:42]

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Re: Oracle 11gR2 grid and database deinstallation. [message #676232 is a reply to message #676231] Tue, 21 May 2019 23:01 Go to previous messageGo to next message
BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal
Senior Member
So if/when all the files owned by OS user "oracle" are removed from the file system,
then the system will be as it was before the Orale software was installed.

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Re: Oracle 11gR2 grid and database deinstallation. [message #676233 is a reply to message #676232] Tue, 21 May 2019 23:50 Go to previous messageGo to next message
kalenko
Messages: 40
Registered: January 2018
Member
BlackSwan wrote on Tue, 21 May 2019 23:01
So if/when all the files owned by OS user "oracle" are removed from the file system,
then the system will be as it was before the Orale software was installed.
Please tell me in details which file and directory names must be removed?

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Re: Oracle 11gR2 grid and database deinstallation. [message #676234 is a reply to message #676232] Wed, 22 May 2019 01:05 Go to previous messageGo to next message
John Watson
Messages: 8964
Registered: January 2010
Location: Global Village
Senior Member
It is nowhere near that simple. Depending on how far the install got, there will have been changes made to inittab and various files in rc.d, also information will have been written to your ASM devices. Your OUI inventory will be messed up, too.

Where in the install did it fail? Was it while running root.sh?

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Re: Oracle 11gR2 grid and database deinstallation. [message #676268 is a reply to message #676234] Fri, 24 May 2019 01:23 Go to previous messageGo to next message
kalenko
Messages: 40
Registered: January 2018
Member
John Watson wrote on Wed, 22 May 2019 01:05
It is nowhere near that simple. Depending on how far the install got, there will have been changes made to inittab and various files in rc.d, also information will have been written to your ASM devices. Your OUI inventory will be messed up, too.

Where in the install did it fail? Was it while running root.sh?
Root.sh executed successfully and the error occurred at the step the asmca created DATA diskgroup. But here we do not mention the error, we are talking about how to reinstall the grid and database software after the first failed installation. Have you ever experienced this case. If yes please tell me exactly which files must be modified and which files and directories must be removed.

[Updated on: Fri, 24 May 2019 01:34]

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Re: Oracle 11gR2 grid and database deinstallation. [message #676269 is a reply to message #676268] Fri, 24 May 2019 02:49 Go to previous message
John Watson
Messages: 8964
Registered: January 2010
Location: Global Village
Senior Member
I root.sh ran successfully, I do not see what your problem is. Just deinstall, it is all in the docs. Look at the chapter How to Modify or Deinstall Oracle Grid Infrastructure in the GI Installation Guide.

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