Re: What to keep in ASM?

From: Don Seiler <don_at_seiler.us>
Date: Mon, 26 Feb 2007 20:09:40 -0600
Message-ID: <716f7a630702261809y7e3244f3gb7753e62f0d68efa@mail.gmail.com>

My understanding is that ASM will also shift data around to avoid the "hot block" scenario, avoiding I/O contention. It wasn't explicitly stated in the passage I pasted, hopefully my understanding is correct.

Don.

On 2/26/07, Alexander Fatkulin <afatkulin_at_gmail.com> wrote:
> > Am I giving this feature too much credit?
>
> ASM spread extents in proportion to the disk size regardless of the
> speed and workload characteristics of the underlying hardware (at
> least I never saw the opposite).
>
> See the x$kffxp (ASM instance) for extent allocation map.

-- 
Don Seiler
http://seilerwerks.blogspot.com
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Received on Mon Feb 26 2007 - 20:09:40 CST