Re: Takeover time, reverse replication in DataGuard setup?

DA Morgan wrote:
> qazmlp1209_at_rediffmail.com wrote:
> > There are two servers between which DataGuard is setup. The replication
> > happens from server-1 to server-2. server-1 is currently serving and
> > server-2 acts as a standby. I would like to know the following related
> > to this setup:
> > 1) server-2 is in standby mode. Can server-2 start serving immediately
> > in case if server-1 goes out-of-service due to some problems? If not
> > immediate, how much time it will typically take for take-over?
> >
> > 2) Assume server-2 has started serving and hence it is in 'Active'
> > mode. Is it possible to do reverse replication of DB changes from
> > server-2 to server-1(similar to the replication from server-1 to
> > server-2 before takeover happened)?
>
> Version of Oracle database?

Oracle 9i. Is this different in Oracle 10g?

> Logical or physical?

Physical.

> Have you set up TAF (transparent application failover)?
No. The servers server-1 and server-2 are located few kilometers apart. Is TAF supposed to be used, for such a setup also? As I am aware, TAF is used mainly among 2 cluster nodes, which are closer & connected by 'Cluster interconnect'. Received on Mon Jun 06 2005 - 11:59:20 CDT