the location of archive logs arriving from a primary database

I am a bit confused by the location of archive logs arriving from a primary database in a standby database.  

Oracle 10g Version - 10.2.0.4.0  

Primary Settings: (MAXIMUM AVAILABILITY mode)  

log_archive_dest_1: LOCATION=/upslt/server/database/archlogs VALID_FOR=(ALL_LOGFILES, ALL_ROLES) DB_UNIQUE_NAME=ups60p0

log_archive_dest_2: SERVICE=ups60p1 LGWR SYNC AFFIRM VALID_FOR=(ONLINE_LOGFILES, PRIMARY_ROLE) DB_UNIQUE_NAME=ups60p1

standby_archive_dest: ?/dbs/arch    

Standby Settings:  

log_archive_dest_1: LOCATION=/upslt/server/database/archlogs VALID_FOR=(ALL_LOGFILES, ALL_ROLES) DB_UNIQUE_NAME=ups60p1

log_archive_dest_2: SERVICE=ups60p0 LGWR SYNC AFFIRM VALID_FOR=(ONLINE_LOGFILES, PRIMARY_ROLE) DB_UNIQUE_NAME=ups60p0

standby_archive_dest: ?/dbs/arch  

Why the archive log arriving from the primary ends up in log_archive_dest_1 (/upslt/server/database/archlogs in my case), not standby_archive_dest?

I believe in 9i, it lands on standby_archive_dest.  

Thanks,  

Roger Xu  

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