On Sat, Jun 25, 2011 at 12:05 AM, David Robillard <david.robillard@xxxxxxxxx > wrote: > > > We have DataGuard running at various levels of apply delay to handle logical corruption, and cross-site storage level mirroring (NetApp Metro-cluster) for site disaster handling. Both have been very useful tools - no we haven't had a site disaster :-) but the ability to (easily) run services from a different site has been great to handle things like network comms and/or power maintenance outages on one site or the other. (We run a stretch cluster on direct NFS) hth Connor -- Connor McDonald =========================== email: connor_mcdonald@xxxxxxxxx web: http://www.oracledba.co.uk "Semper in excremento, sole profundum qui variat"