Re: How Does this work in Detail: Archiving the Standby Redo Log on the Standby Database

From: cfoughty <cfoughty_at_gmail.com>
Date: Thu, 22 Oct 2009 12:23:47 -0700 (PDT)
Message-ID: <e9819a0d-c506-4680-a34f-cf5dc1180040_at_b18g2000vbl.googlegroups.com>



On Oct 22, 12:21 pm, cfoughty <cfoug..._at_gmail.com> wrote:
> This is mainly just for my interest.
>
>  The documentation says the following:
>
> A log switch on the primary database triggers a log switch on the
> standby database, causing ARCn processes on the standby database to
> archive the standby redo log files to archived redo log files on the
> standby database.
>
> So what process on the primary sends the message to what process on
> the standby telling the ARCH on the standby server to archive the
> current standby redo log?
>
> Does the ARCH process on the primary send a message to the RFS process
> on the standby server, and then the RFS process sends a message to the
> ARCH process on the standby server telling the standby server ARCH to
> archive the current standby redo log?
>
> OR
>
> Does the ARCH process on the primary send a message to the ARCH
> process on the standby server telling the standby ARCH to archive the
> current standby redo log?
>
> OR
>
> Some other method to tell the ARCH process on the standby server to
> archive the current standby redo log?
>
> I just want to know how it works.
>
> Thanks,
>
> Cy Foughty

I'm running 10gR2 Received on Thu Oct 22 2009 - 14:23:47 CDT

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