oracle 数据库 12cR1:表空间时间点恢复在导出元数据级别失败

oracle database 12cR1: Tablespace point in time recovery is failing on the export metadata level

我在使用 TSPITR 还原单个表空间时遇到问题。 错误堆栈显示如下:

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泵目录后启动导出元数据时,它在级别上失败。请帮忙

我们解决了这个问题。我们增加辅助实例的进程数,然后开始导出并成功恢复表空间。