Relocating Central Inventory from Shared Location to Private (Local) Location for RAC users
(Doc ID 604513.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.2 to 220.127.116.11 [Release 10.1 to 11.1]
Information in this document applies to any platform.
In a Real Applications Cluster, customers have the option of installing the CRS and RDBMS homes either locally on each node, or as one central shared home. Regardless of whether you choose a shared or non-shared Oracle Home, however, each node must still have its own private Oracle software Central Inventory.
The Oracle Central Inventory is a small repository that holds information about the Oracle software that is installed on that node only; it must not be placed on a clustered/shared filesystem to be shared by other nodes in an Oracle RAC environment. This is documented in the 10.2 install documentation in the OUI guide, in Chapter 6, "Cluster Environment Installation" :
However, versions of OUI prior to 10.2.0.4 did not display a warning if the DBA chose a shared location for the Oracle Central Inventory, and so some customers who did a cluster installation prior to 11.1 may have a Central Inventory in a shared location.
OUI 10.2.0.4 and above DOES provide a warning, so customers who installed an earlier version and created a shared inventory will get a warning like this one when trying to apply the 10.2.0.4 patchset:
shared drive. Each node among 'mynode1,mynode2' should have
its own central inventory. Central Inventory cannot be shared,
this is not supported.
This note provides steps to convert a shared Central Inventory into a local inventory on each node.
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