Re: Best practice for Dataguard in 10g?
Date: Mon, 31 Aug 2009 13:55:43 +1000
we are running quite happily with arch log shipping. Can not comment on lgwr shipping as I have not tried that yet.
I don't work with Data Warehouses very much but don't they have a lot on non logged operations normally? Dataguard does not like these.
enabling logging may be a performance hit.
just some extra thoughts
2009/8/31 dbvision_at_iinet.net.au <dbvision_at_iinet.net.au>
> Hi folks.
> At the recent 11g Dataguard Admin course it was strongly suggested we use
> and SYNC/ASYNC as the mechanism for log shipping from primary database.
> While in 10g doco both LGWR and ARCn are given equal weight, depending on
> It was also strongly hinted that ARCn log shipping is on the way out as
> LGWR in
> 11g onwards seems to be the preferred/best way to ship the logs.
> Does this match the collective knowledge/wisdom here? Any good/sad
> with either ARCn or LGWR-based log shipping? Gotchas of each?
> I'm going to put our 10g DW db on a Dataguard regime but am in two minds as
> which way I should go. I'd like to stay as 11g-compatible as I can but if
> LGWR in 10g buys me hassles, then compatibility can take a hike.
> Current release is 10.2.0.3, patched up for obvious problems. Dataguard
> will be
> in maximum performance mode. We might go 11g end of next year.
> Thanks in advance for any feedback.
> Nuno Souto
> in sunny Sydney, Australia
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