导出命令：

tables=name.name_unusual
rows=y
indexes=n
grants=n
triggers=n
constraints=y
compress=n
consistent=n
statistics=none
buffer=1000000
recordlength=65535
feedback=50000
filesize=30g
file=/data/oracle/2020_01.dmp,
     /data/oracle/2020_02.dmp,
     /data/oracle/2020_03.dmp,
     /data/oracle/2020_04.dmp,
     /data/oracle/2020_05.dmp,
     /data/oracle/2020_06.dmp,
     /data/oracle/2020_07.dmp,
     /data/oracle/2020_08.dmp,
     /data/oracle/2020_09.dmp,
     /data/oracle/2020_10.dmp,
     /data/oracle/2020_11.dmp
log=/data/oracle/2020_tab.log

导入命令：

parfile文件：
USERID='/ as sysdba'
fromuser=NAME
touser=NAME
ignore=y
buffer=409600000
feedback=100000
file=/data/2020_01.dmp,
/data/2020_02.dmp,
/data/2020_03.dmp,
/data/2020_04.dmp,
/data/2020_05.dmp,
/data/2020_06.dmp,
/data/2020_07.dmp,
/data/2020_08.dmp
log=imp_20210706.log
tables=NAME_UNUSUAL

报错：

[oracle@ imp_20210706_cm]$ imp parfile=imp_20210706.par

Import: Release 11.2.0.4.0 - Production on Tue Jul 6 17:12:47 2021

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.


Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

IMP-00010: not a valid export file, header failed verification
IMP-00000: Import terminated unsuccessfully

导入报错，求解。
导出时是分割了6个文件，文件都传到目标端导入，报错。