oracle数据库12cR1：表空间时间点恢复在导出元数据级别失败

Question

使用TSPITR还原单个表空间时遇到问题。 错误堆栈显示以下内容：

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 06/15/2017 20:09:35
RMAN-06962: Error received during export of metadata
RMAN-06960:    EXPDP> ORA-31626: job does not exist
ORA-31637: cannot create job TSPITR_EXP_yhqe_Erry for user SYS
ORA-39062: error creating master process DM00
ORA-31613: Master process DM00 failed during startup.

我正在使用全自动TSPITR方法，当rman在完全恢复辅助数据库并创建数据池目录后启动导出元数据时，它在级别上失败。请帮忙。

Answer 1

我们解决了这个问题。我们增加了辅助实例的进程数，然后启动了导出并成功恢复了表空间。