ORA-21561: 生成 OID 失败
问题描述 [oracle@new-rac1 ~]$ rman target / Recovery Manager: Release 11.2.0.4.0 - Production on 星期二 12月 3 09:19:54 2019 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved. RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-00554: initialization of internal recovery manager package failed RMAN-04005: error from target database: ORA-21561: 生成 OID 失败 问题解决 原因是修改了 /etc/hosts 文件的 public IP 的name后,和 hostname 不一致