Alex Gorbachev pisze:
> Just two things to mention:
>
> - can have FRA but you don't have to backup your datafiles there or
> even put your archivelogs there. you can manage all of it separately.
> FRA is the only destination for flashback logs but that's it. Is
> flashback logs what you need to restore quickly (i.e. without
> rebuilding of the new standby) after switchover. You need to flashback
> the database and flashback logs can only be stored in FRA. Thus, FRA
> requirements but in fact it's enabled flashback logging that's
> required. Am I right?
>
I didnt know that. Can You elaborate ? :)
I cant imagine how its suppose to work, never tried to unset
archive_log_destination_10 which in FRA configuration
points to FRA. Moreover as far as I know the only way to backup FRA is
via SBT channel .
> - Consider incrementally updated standby where you make often
> incremental backups and ship them to standby. It's often the way to go
> for DW applications but there is no automation with Data Guard.
Thats great idea I'll investigate that. Looks like some scripts and
homegrown solution needed :).
Regards.
Grzegorz
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Received on Mon Dec 17 2007 - 06:11:33 CST
