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Tom,
You don't mention what size the redo logs are. Might it not be more
efficient to have fewer but larger sized redo logs which will give the
archiver time to copy the data prior to the redo log being ready for
overwriting.
I know I have not answered the main point re multiple arc processes to
different destinations but I have not got time to look at the docs at the
moment.
John
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 26 April 2001 16:51
To: Multiple recipients of list ORACLE-L
Subject: multiple archive destinations
RDBMS: 8.1.6.2 OS: AIX 4.3.3
Our large (600G) insert-intensive (17Meg / min) database has
24 on-line redo
logs (8 each on 3 disks used in round-robin fashion) and
occasionally has
problems with the archiver being unable to keep up with the
data fill rate.
When this happens on-line redo logs fill faster than the ARC
process can write
them. I have successfully used more than one ARC process
but of course all ARC
processes are writing to the same destination (which becomes
the limiting
factor).
What I'd really like to do is use more than one archive log
destination - with 2
(or more) ARC processes - each writing to a separate
destination. But reading
through the manual it looks like the multiple archive
destination facility was
developed for multiplexing each redo log to more than one
destination (for
hot-standbys for example) - rather than each redo log to one
of several
destinations depending on which ARC process is working on
it.
Is there any way to accomplish my purpose?
thanks,
..tom
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Author: Hallas, John
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