how to archive lots of records

hi all,

I have a table with lots of stock movements.  ( stockmovements)
Once per year the user need to run a routine that move these records
into a table (history) and delete the movements from the original
table (stockmovements).

My application is writtend in Borland Delphi. (interfacing with db2
with sql statements and stored procedure written in SQL)

I have tried different solutions but without success:

1) an "atomic" sql insert/delete of all movements. this is impossible
because of log size.
2) a loop of  "atomic" sql insert/delete statements restricted to a
fixed number of records each time: but in my situation this take a
very long time.(4 hr) (i think because the "history" table is very
very large...and so..the insert statement take very long time)
3) a "manual" procedure of export to ixf...and load...: this is very
fast and i prefer this solution... but i can't provide this solution
like an interactive procedure for the user (i don't know how to do
these command of export / load in SQL)... moreover: i think i can't
launch these statements while users are connected to database...

Have you a solution for this kind of problem?
Maybe i have a bad design of my tables? (suggestions?)

(sorry for english mistakes)
JH