ORA-16401: archivelog rejected by RFS

Errors found in the alertlog file of oracle database.

Tue Sep 27 12:09:10 2011
Errors in file /home/app/oracle/admin/pri/bdump/pri_arcr_4996.trc:
ORA-01034: ORACLE not available
PING[ARCr]: Heartbeat failed to connect to standby 'stand1'. Error is 1034.
Tue Sep 27 12:12:48 2011
datafilecopy header validation failure for file /home/app/oracle/oradata/stand1/ system01.dbf

Tue Sep 27 12:14:10 2011
Error 1017 received logging on to the standby
Expanded controlfile section 11 from 63 to 139 records
Requested to grow by 76 records; added 2 blocks of records
Tue Sep 27 12:44:48 2011
ARCH: Possible network disconnect with primary database
Tue Sep 27 12:44:48 2011
Errors in file /home/app/oracle/admin/pri/bdump/pri_arc2_9010.trc:
ORA-16401: archivelog rejected by RFS


--Needs to be check
1)The remote_login_password should be shared.
check in the pfile
2)standby_archive_dest value should not be same with archive_log_dest_n.
show parameter archive
3)check  both instance able to ping each other
tnsping
4)check the service name in the listner configuration
lsnrctl status


Solution:-
In my case as remote_login_password was exclusive and standby_archive_dest=archive_log_dest_1

So i made necessary changes.
Will discuss below erorrs soon.
Tue Sep 27 13:19:51 2011
Errors in file /home/app/oracle/admin/stand1/udump/stand1_rfs_13005.trc:
ORA-00313: open failed for members of log group 5 of thread 1
ORA-00312: online log 5 thread 1: '/home/app/oracle/oradata/stand1/pri_stand02.log'
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3
RFS[4]: Unable to open standby log 5: 313