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Orlando Amador wrote:
> We have a Oralce 9.2 Standard database server with multiple database
> instances. Each instance has 2 control files, although in the same
> directory.
>
> Using a file monitor we find that the server will write a block of 8K to
> offset 24576 of the control files every 3 seconds. I wonder if this some
> kind of synchronization, locking, or heartbeat function in the database.
> The accumulated IO from the writes from a single database is not a problem,
> but the accumulation from multiple database is creating problem for our
> backup software (Veritas BackupExec with OFO).
>
> We figure that we can repartition this server and separate the databases in
> separate disk, but we are saving that as a last resort. I was hopping
> someone could point me to the reason of this updates and if there is a way
> to configure the timing? Maybe this is a required function but it could be
> slow down a bit? This updates happens constantly, even when the database is
> not in use and there is no connections.
>
> Any suggestions?
<snipped>
> Saludos
> Orlando Amador
Everything Tom Kyte said plus ... why aren't you using RMAN?
-- Daniel A. Morgan University of Washington damorgan_at_x.washington.edu (replace 'x' with 'u' to respond)Received on Thu Jan 13 2005 - 01:29:50 CST