db2 procedure export sql3001c sqloopen -2029060079 错误

os info :suse linux 11
db info :db2 v9.7.0.4
user:数据库管理员用户

--
create procedure prc_exp_inc_dat_1()
language sql
BEGIN
DECLARE v_str VARCHAR(2000) default '';
set v_str='export to /backup/2012-09-02/tst.t_tst1.del of del select * from tst.t_tst1 where sta_dte=date(''2012-09-02'') fetch first 2 rows only with ur';
call sysproc.admin_cmd(v_str);

END@

--call
call prc_exp_inc_dat_1()@

报错 ：
SQL3001C  An I/O error (reason = "sqlofopn -2029060079") occurred while
opening the output file.


直接导出：db2 "export to /backup/2012-09-02/tst.t_tst1.del of del select * from tst.t_tst1 where sta_dte=date('2012-09-02') fetch first 2 rows only with ur"

是不会报错的，敬请专家帮忙看看，谢谢哈。 收起