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corrupted undo tablespace

LJ Gaviola
LJ Gaviola asked
Last Modified: 2008-01-09
hey guys,

i run into a corrupt undo problem and not sure what to do. the databse is still up and running. what i did was:

create a new undo tablespace
set it as as the new undo tablespace
drop the orig tablespace.

but i can't drop the original tablespace, it says  it still says tablespace in use.

and then i was able to take the segments offline but still can't drop the tablespace - i'm getting this error:

ORA-01548 active rollback segment 'string' found, terminate dropping tablespace.

any ideas what to do? I found heaps in the net but not quite sure which one to follow.

urgently need this.

thank you.

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