De-Install old Oracle SW after 11g upgrade

[volker_borowski2]

Hi,

since there was no de-install information in the upgrade to Oracle 10,

and there is still no de-install information in the guide for oracle 11,

I have situations, where a system still has 3 ORACLE_HOMES and 3 software

loactions in the inventory.

Since note 1525025 - Oracle 11.2.0: Oracle Software Deinstallation

now states not to use runinstaller any more to de-install (11g?) software,

I am a bit uncomfortable on how to get rid of the old stuff.

I have an active version 11.2.0.2 running from a seperate HOME.

I want to get rid of a 9.2 and a 10.2. HOME from the inventory.

Approach one.

Start runInstaller version 11g and de-install Home 9.2 and 10.2

Since I do not touch 11g, the restriction should not apply? (Wrong?)

Approach two

Start runInstaller version 10g and de-install Home 9.2 and 10.2

Approach three

Proceed as stated in note 1525025.

Detach HOME 9.2 and 10.2 with 11g installer and delete all files manually

As far as processing is concerned, I am comfortable with each approach,

but I do not like ending up with a defective inventory because of

- version 11 Installer is doing any harm to the old Oracle_Home stuff in the inventory.

- version 10 installer is doing any harm to the (maybe) migrated inventory, which now has version 11.

Anybody already stepped down one of these roads?

Volker

[Former Member · Accepted solution]

backup the inventory, login as orasid, backup the 10g directory to a different location, delete the source and delelte all the 10g related env variables as well.

Let me know.

Regards

Srikanth M

[volker_borowski2 · Accepted solution]

Hi,

I will surely not do it this way. It would leave the inventory completely untouched.

I want to get rid of the software and I want to have a usable, correct inventory in the end,

not containing any false references to locations that are already gone.

Volker

[volker_borowski2 · Accepted solution]

Hi,

did my first de-install on a sandbox today using the

detach 10g-HOME (with 11g installer) and "remove manually" approach.

Did work out ok, Iventory is at least readable and shows not problems.

If it really did work out ok, I will see with the next patchset I think.

Did not try the same for a 9er version yet.

Volker

[volker_borowski2 · Accepted solution]

Hi,

got official feed back meanwhile, that older versions should be de-installed with

the runInstaller of the corresponding release. So allthough the other method works as

stated before, it should be done using the other way.

Did not like it that much, because there remain still some items left, that need to be deleted manually.

Closing thread

Volker