4 ARCH, 3 RFS1 & 1 MRP0

Dear Db experts,

After Oracle DB upgrade from 10g to 11g , we have seen 4 numbers ARCH 3 Numbers RFS & 1 numbers MRP0 at DR site on following command.

sql> select process, sequence#, status from v$managed_standby;

Just confirm me it is okay or something wrong.

thanks

Kind Regards,

N S Rathore