Re: San-Based replication VS DataGuard replication

From: Palooka <>
Date: Mon, 06 Oct 2008 00:04:54 +0100
Message-ID: <oKbGk.34335$0D6.21402@newsfe01.ams2>

Steve Howard wrote:
> On Oct 4, 5:27 pm, DA Morgan <> wrote:

>> hpuxrac wrote:
>>> Sounds like you are just making up stuff.
>> Sounds like you weren't in San Francisco a week ago sitting in on the
>> excellent briefing Mark Townsend gave the Oracle Ace Directors. <g>
>> --
>> Daniel A. Morgan
>> Oracle Ace Director & Instructor
>> University of Washington
>> (replace x with u to respond)
>> Puget Sound Oracle Users

> I don't think this is an Oracle issue. Oracle is just like an other
> app (I know it hurts to hear that) when it comes to stuff being
> physically written to physical disk.
> The disk subsystem controls what is physically written when and
> where. Oracle merely twiddles its thumbs until it gets a return code
> from the storage subsystem. The subsystem can do what it likes in the
> meantime. If it hasn't made it to both subsystems, it will return an
> error condition to the application doing the write (Oracle in this
> case).
> I know for a fact that EMC SRDF does it this way, as we use it.
Well said.

Palooka Received on Sun Oct 05 2008 - 18:04:54 CDT

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