Re: How Consistent reads work in Exadata ?

From: Greg Rahn <>
Date: Fri, 24 Jul 2009 07:59:21 -0700
Message-ID: <>

Blocks with a SCN from the future are sent back in their entirety and reconstructed via undo in the db grid.

On Wed, Jul 22, 2009 at 8:25 PM, Jurijs
Velikanovs<> wrote:
> How read consistency is ensured during Smart Scan Offload processing?
> Does Oracle reconstruct consistent image of a block on Database Cell
> or on Storage cell?

Greg Rahn
Received on Fri Jul 24 2009 - 09:59:21 CDT

Original text of this message