My Oracle Support Banner

RDMA Registrations(0): Cannot Allocate Memory(OERR) While Starting two ECE Processes (Doc ID 2117977.1)

Last updated on APRIL 19, 2023

Applies to:

Oracle Communications BRM - Elastic Charging Engine - Version and later
Information in this document applies to any platform.


On : version, Customer data management, remote direct memory access (RDMA), Oracle Error(OERR)

There is a difficulty in launching 2 ECE processes on Infiniband.

It appears that even for a successful start (no Customer data has been loaded) following two changes were necessary:

1) Well Known Addresses (WKA) had to be enabled
2) 'reliable-transport' had to be set to 'tmb'

The default on Infiniband is 'imb' (Infiniband message bus protocol). With 'reliable-transport' set to 'imb' - Customer get the following error (RDMA is the low level Infiniband protocol):

  How to fix the above issue?


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.