Re: Don't understand ORA-01594/5

Terry Dykstra wrote:
> I'm using Netback to do a full backup of a 9205SE database and I get errors:
> ORA-01595: error freeing extent (2) of rollback segment (16))
>
> ORA-01594: attempt to wrap into rollback segment (16) extent (2) which is
> being freed
>
> I am using UNDO tablespace, so I'm confused by the suggestion in the manual:
> Action: The rollback segment shrinking will be rolled back by the system;
> increase the optimal size of the rollback segment.
>
> Should I drop the tablespace and create a new one using larger extents?
>

Are you sure that your UNDO tablespace is large enough for your UNDO_RETENTION setting? Querying V$UNDOSTAT can show you if you are stealing unexpired data, etc.

HTH,
Brian

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Brian Peasland
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