Use of arc processess in standby location

Hi,
What is the use of archive processes in standby database when the log shipping is done by arch process.

Sekar_BLUE4EVER wrote:
Hi,
What is the use of archive processes in standby database when the log shipping is done by arch process.Standby redo logs must be archived before the data can be applied to the standby database. The standby archival operation occurs automatically, even if the standby database is not in ARCHIVELOG mode. However, the archive process must be started on the standby database. Note that the use of the archiver process (ARCn) is a requirement for selection of a standby redo log.
Source:http://www.orafaq.com/node/957
...archive processes are responsible for archiving the ORL files as they become full and for resolving gaps in the redo stream to a standby database and on a standby database they are responsible for archiving the SRL files and forwarding the archive logs to a cascaded standby database.
Source:http://www.datadisk.co.uk/html_docs/oracle_dg/physical_setup.htm
Please read above lines at least 2 times, but slowly...
Regards
Girish Sharma

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